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________________________________ max6964 i 2 c tm 17- . 50ma 7v . led 7v . 8 pwm . 4- led 14 . 4- 16 . 8 . . led . blink ( 1khz) . blink led (gpi) . max6964 2- i 2 c , 4 i 2 c . ________________________________ ________________________________ ? 400kbps, 2- , 5.5v ? 2v~3.6v ? 8- pwm led 16 16 ? 2- led ? 50ma ( ) ? rst ? 7v ? (1.2? ( ) 3.3? ( )) ? 4mm x 4mm, 0.8mm qfn ? -40?~+125? max6964 17- led /gpo ________________________________________________________________ maxim integrated products 1 rst ad0 v+ sda o10 o4 o3 o2 o1 o0 blink 1 2 3 4 5 6 19 20 21 22 23 24 scl o15 o14 o13 o12 o11 o9 o8 o7 o6 o5 gnd 18 17 16 15 14 13 7 8910 11 12 o16 top view qfn max6964 _________________________________ max6964 o8 o10 o0 o1 o2 o3 o4 o5 o6 o7 v+ 3.3v c sda scl sda i/o i/o ad0 5v 3.3v 6v o11 o12 o13 o14 o15 scl o9 output output relay relay gnd 7v 0.047 f rst blink o16 relay ________________________ 19-3179; rev 0; 1/04 for pricing, delivery, and ordering information, please contact maxim/dallas direct! at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com. ________________________________ part temp range pin-package max6964atg -40 c to +125 c 24 thin qfn 4mm x 4mm x 0.8mm max6964aeg -40 c to +125 c 24 qsop pin configurations continued at end of data sheet. lcd led rgb led maxim integrated products i 2 c i 2 c i 2 c . i 2 c .
max6964 17- led /gpo 2 _______________________________________________________________________________________ absolute maximum ratings stresses beyond those listed under ?bsolute maximum ratings?may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specificatio ns is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. voltage (with respect to gnd) v+ .............................................................................-0.3v to +4v scl, sda, ad0, blink, rst ...................................-0.3v to +6v o0?16 ....................................................................-0.3v to +8v dc current on o0 to o16 ...................................................55ma dc current on sda.............................................................10ma maximum gnd current ....................................................350ma continuous power dissipation (t a = +70?) 24-pin qsop (derate 9.5mw/? over +70?)..............761mw 24-pin qfn (derate 20.8mw/? over +70?) ............1666mw operating temperature range .........................-40? to +125? junction temperature ......................................................+150? storage temperature range .............................-65? to +150? lead temperature (soldering, 10s) .................................+300? electrical characteristics (typical operating circuit, v+ = 2v to 3.6v, t a = t min to t max , unless otherwise noted. typical values are at v+ = 3.3v, t a = +25?.) (note 1) parameter symbol conditions min typ max units operating supply voltage v+ 2.0 3.6 v output load external supply voltage v ext 07v t a = +25? 1.2 2.3 t a = -40? to +85? 2.6 standby current (interface idle, pwm disabled) i + s c l and s d a at v + ; other d i g i tal i np uts at v + or gn d ; p wm i ntensi ty contr ol d i sab l ed t a = t min to t max 3.3 ? t a = +25? 8.5 15.1 t a = -40? to +85? 16.5 supply current (interface idle, pwm enabled) i + s c l and s d a at v + ; other d i g i tal i np uts at v + or gn d ; p wm i ntensi ty contr ol d i sab l ed t a = t min to t max 17.2 ? t a = +25? 50 95.3 t a = -40? to +85? 99.2 supply current (interface running, pwm disabled) i + f scl = 400khz; other digital inputs at v+ or gnd; pwm intensity control enabled t a = t min to t max 102.4 ? t a = +25? 57 110.2 t a = -40? to +85? 117.4 supply current (interface running, pwm enabled) i + f scl = 400khz; other digital inputs at v+ or gnd; pwm intensity control enabled t a = t min to t max 122.1 ? input high voltage sda, scl, ad0, blink, rst v ih 0.7 x v+ v input low voltage sda, scl, ad0, blink, rst v il 0.3 x v+ v input leakage current sda, scl, ad0, blink, rst i ih , i il 0 input voltage 5.5v -0.2 +0.2 a input capacitance sda, scl, ad0, blink, rst 8pf
max6964 17- led /gpo _______________________________________________________________________________________ 3 electrical characteristics (continued) (typical operating circuit, v+ = 2v to 3.6v, t a = t min to t max , unless otherwise noted. typical values are at v+ = 3.3v, t a = + 25?.) (note 1) parameter symbol conditions min typ max units t a = +25? 0.15 0.26 t a = -40? to +85? 0.3 v+ = 2v, i sink = 20ma t a = t min to t max 0.32 v t a = +25? 0.13 0.23 t a = -40? to +85? 0.26 v+ = 2.5v, i sink = 20ma t a = t min to t max 0.28 v t a = +25? 0.12 0.23 t a = -40? to +85? 0.24 output low voltage o0?16 v ol v+ = 3.3v, i sink = 20ma t a = t min to t max 0.26 v output low-voltage sda v olsda i sink = 6ma 0.4 v pwm clock frequency f pwm 32 khz timing characteristics (typical operating circuit, v+ = 2v to 3.6v, t a = t min to t max , unless otherwise noted. typical values are at v+ = 3.3v, t a = +25?.) (note 1) parameter symbol conditions min typ max units serial clock frequency f scl 400 khz bus free time between a stop and a start condition t buf 1.3 ? hold time, repeated start condition t hd , sta 0.6 ? repeated start condition setup time t su , sta 0.6 ? stop condition setup time t su , sto 0.6 ? data hold time t hd , dat (note 2) 0.9 ? data setup time t su , dat 180 ns scl clock low period t low 1.3 ? scl clock high period t high 0.7 ? rise time of both sda and scl signals, receiving t r (notes 3, 4) 20 + 0.1c b 300 ns fall time of both sda and scl signals, receiving t f (notes 3, 4) 20 + 0.1c b 300 ns fall time of sda transmitting t f.tx (notes 3, 5) 20 + 0.1c b 250 ns pulse width of spike suppressed t sp (note 6) 50 ns
max6964 17- led /gpo 4 _______________________________________________________________________________________ port output low voltage with 50ma load current vs. temperature port output low voltage v ol (v) 0.1 0.2 0.3 0.4 0.5 0.6 0 max6964 toc04 temperature ( c) 110 95 65 80 -10 5 20 35 50 -25 -40 125 v+ = 3.6v v+ = 2.7v v+ = 2v port output low voltage with 20ma load current vs. temperature max6964 toc05 temperature ( c) port output low voltage v ol (v) 110 95 80 65 50 35 20 5 -10 -25 0.1 0.2 0.3 0.4 0.5 0.6 0 -40 125 all outputs loaded v+ = 3.6v v+ = 2.7v v+ = 2v pwm clock frequency vs. temperature max6964 toc06 temperature ( c) pwm clock frequency (khz) 110 95 80 65 50 35 20 5 -10 -25 -40 125 v+ = 3.6v v+ = 2.7v v+ = 2v 0.925 0.950 0.975 1.000 1.025 1.050 0.900 normalized to v+ = 3.3v, t a = 25 c standby current vs. temperature max6964 toc01 temperature ( c) standby current ( a) 110 95 65 80 -10 5 20 35 50 -25 1 2 3 4 5 6 7 8 9 10 0 -40 125 v+ = 3.6v pwm enabled v+ = 2.7v pwm enabled v+ = 2v pwm disabled v+ = 2.7v pwm disabled v+ = 3.6v pwm disabled v+ = 2v pwm enabled supply current vs. temperature (pwm disabled; f scl = 400khz) max6964 toc02 temperature ( c) supply current ( a) 110 95 65 80 -10 5 20 35 50 -25 10 20 30 40 50 60 70 0 -40 125 v+ = 3.6v v+ = 2.7v v+ = 2v 5 10 15 20 25 30 35 40 45 50 55 60 65 70 0 supply current vs. temperature (pwm enabled; f scl = 400khz) max6964 toc03 temperature ( c) supply current ( a) 110 95 65 80 -10 5 20 3 550 -25 -40 125 v+ = 3.6v v+ = 2.7v v+ = 2v ___________________________________________________________________ (t a = +25?, unless otherwise noted.) timing characteristics (continued) (typical operating circuit, v+ = 2v to 3.6v, t a = t min to t max , unless otherwise noted. typical values are at v+ = 3.3v, t a = +25?.) (note 1) parameter symbol conditions min typ max units capacitive load for each bus line c b (note 3) 400 pf rst pulse width t w 1ns output data valid t dv figure 10 5 ns note 1: all parameters tested at t a = +25?. specifications over temperature are guaranteed by design. note 2: a master device must provide a hold time of at least 300ns for the sda signal (referred to v il of the scl signal) to bridge the undefined region of scl? falling edge. note 3: guaranteed by design. note 4: c b = total capacitance of one bus line in pf. t r and t f measured between 0.3 x v dd and 0.7 x v dd . note 5: i sink 6ma. c b = total capacitance of one bus line in pf. t r and t f measured between 0.3 x v dd and 0.7 x v dd . note 6: input filters on the sda and scl inputs suppress noise spikes less than 50ns.
max6964 17- led /gpo _______________________________________________________________________________________ 5 scope shot of output ports max6964 toc07 2ms/div output 1, 2v/div output 2, 2v/div output 1 individual intensity set to 1/16 master intensity set to 14/15 output 2 individual intensity set to 14/15 scope shot of output ports max6964 toc08 2ms/div output 1 2v/div output 2 2v/div master intensity set to 1/15 output 1 individual intensity set to 1/16 output 2 individual intensity set to 15/16 sink current vs. v ol max6964 toc09 sink current (ma) v ol (v) 40 30 20 10 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0 050 v+ = 3.6v v+ = 3.3v v+ = 2v v+ = 2.7v only one output loaded ______________________________________________________________ ( ) (t a = +25?, unless otherwise noted.) qsop qfn 1, 4?1, 13?0 1?, 10?7, 22 o0-o16 224 rst 323ad0 12 9 gnd 21 18 blink 22 19 scl 23 20 sda 24 21 v+ pad exposed pad _____________________________________________________________________________ . 7v, 50ma . . 2- . . . gnd, v+, scl, sda 4 . 1 . . gnd 350ma . . . i 2 c i 2 c i/o . 0.047? v+ gnd . . gnd .
max6964 ________________________________ max6964 (gpo) , i 2 c- o0-o16 17 . max6964 50ma . max6964 350ma 17 20ma . 1 max6964 . ( ) . led 0 o0-o15 16 ( 6). . 1 ( 7). (blink ) ( ) 0 1 ( 4). 17 o16 2 , 16 ( 4). blink ( 4). blink (gpi ) . pwm max6964 32khz led pwm . pwm max6964 pwm led ( 8). pwm max6964 . pwm 4- 4- ( 11 12). 4- pwm 16 . pwm 1/15 15/15 . 4- , 1/16 15/16 . pwm pwm , 240 ( 8 11). 17- led /gpo 6 _______________________________________________________________________________________ 1. i/o data from shift register write pulse d c k q q ff output port register i/o pin q2 gnd output port register data 2. 2- scl sda t r t f t buf start condition stop condition repeated start condition start condition t su,sto t hd,sta t su,sta t hd,dat t su,dat t low t high t hd,sta
ram max6964 2 , ram ( 2). rst 0xff ( 3). (idle) pwm max6964 . pwm pwm . (active) i 2 c max6964 . __________________________ max6964 i 2 c 2- . (sda) (scl) . ( ) max6964 scl ( 2). max6964 sda . sda 4.7k ? . 2- scl scl 4.7k ? . ( 3), max6964 7 r/ w , , 1 , ( 3) . scl sda . scl sda start(s) . scl sda stop(p) . ( 3). . sda sdl ( 4). 9 ( 5). 9 . 9 sda sda . max6964 max6964 17- led /gpo _______________________________________________________________________________________ 7 3. sda scl start condition stop condition sp 4. sda scl data line stable; data valid change of data allowed 5. scl sda by transmitter clock pulse for acknowledge start condition sda by receiver 12 89 s 6. sda scl 1 msb lsb ack 00 a6 0 0 a2 r/w
max6964 . max6964 . max6964 7- ( 6). 7- 8 r/ w . r/ w , . max6964 2 (a5), 3 (a4), 4 (a3), 6 (a1), (a0) 1, 0, 0, 0, 0 . a6 a2 ad0 . ad0 gnd, v+, sda, scl . max6964 4 ( 1). 4 max6964 . max6964 max6964 max6964 0 r/ w , 1 . . max6964 ( 2). max6964 . . 17- led /gpo 8 _______________________________________________________________________________________ 1. max6964 device address pin ad0 a6 a5 a4 a3 a2 a1 a0 scl 1 1 00000 sda 1 1 00100 gnd 0 1 00000 v+ 0 1 00100 2. register address code (hex) autoincrement address blink phase 0 outputs o7?0 0x02 0x03 blink phase 0 outputs o15?8 0x03 0x02 user ram0 0x06 0x07 user ram1 0x07 0x06 blink phase 1 outputs o7?0 0x0a 0x0b blink phase 1 outputs o15?8 0x0b 0x0a master and global/o16 intensity 0x0e configuration 0x0f outputs intensity o1, o0 0x10 0x11 outputs intensity o3, o2 0x11 0x12 outputs intensity o5, o4 0x12 0x13 outputs intensity o7, o6 0x13 0x14 outputs intensity o9, o8 0x14 0x15 outputs intensity o11, o10 0x15 0x16 outputs intensity o13, o12 0x16 0x17 outputs intensity o15, o14 0x17 0x10
max6964 ( 8). max6964 ( 2). ( 0 1 ) 10 . max6964 max6964 . ( 2). max6964 17- led /gpo _______________________________________________________________________________________ 9 8. saaap 0 slave address command byte data byte 1 byte autoincrement memory address d15 d14 d13 d12 d11 d10 d9 d8 d1 d0 d3 d2 d5 d4 d7 d6 acknowledge from max 6964 acknowledge from max 6964 acknowledge from max 6964 how command byte and data byte map into max 6964 's registers r/w 9. n saaap 0 slave address command byte data byte n byte autoincrement memory address d15 d14 d13 d12 d11 d10 d9 d8 d1 d0 d3 d2 d5 d4 d7 d6 acknowledge from max 6964 acknowledge from max 6964 acknowledge from max 6964 how command byte and data byte map into max 6964 's registers r/w 7. saa p 0 slave address command byte acknowledge from max6964 d15 d14 d13 d12 d11 d10 d9 d8 command byte is stored on receipt of stop condition acknowledge from max6964 r/w 10. slave address 12 3 456789 sa6a5 a4a3a2a 1a0 0 a 0 0000 00 command byte 1a a ap start condition acknowledge from slave acknowledge from slave acknowledge from slave stop condition o7eo0 o15e o8 data1 valid data2 valid t dv t dv scl sda write to output ports registers (blink phase 0 registers/blink phase 1 registers) r/w msb lsb d ata1 msb lsb d ata2
max6964 17- led /gpo 10 ______________________________________________________________________________________ max6964 ( 7). max6964 n . read-after-writer ( 2). max6964 2- max6964 max6964 ( 2). 1 max6964 2 . 2 max6964 1 . max6964 ( 2). rst . rst max6964 ( 3). max6964 start . ________________________________ rst max6964 ( 3). ( ) pwm . rst led ( ) . pwm , o16 , blink ( 4). 0 1 . (blink ) ( b) ( 4). led . 1 0xff blink 0 led . blink pwm led . e ( 4). blink exor , 0 1 ( 11 5). e ( 4). 0 . blink ( 4). blink (gpi) . blink gpi e ( 4). 0 16 (o0-o15) ( 6). 1 ( 7). , . . . 17 o16 2 , 16 .
max6964 17- led /gpo ______________________________________________________________________________________ 11 3. register data register function power-up condition address code (hex) d7 d6 d5 d4 d3 d2 d1 d0 blink phase 0 outputs o7?0 high-impedance outputs 0x02 1 1 1 1 1 1 1 1 blink phase 0 outputs o15?8 high-impedance outputs 0x03 1 1 1 1 1 1 1 1 user ram0 0xff 0x06 1 1 1 1 1 1 1 1 user ram1 0xff 0x07 1 1 1 1 1 1 1 1 blink phase 1 outputs o7?0 high-impedance outputs 0x0a 1 1 1 1 1 1 1 1 blink phase 1 outputs o15?8 high-impedance outputs 0x0b 1 1 1 1 1 1 1 1 master and global/o16 intensity pwm oscillator is disabled; o16 is static logic output 0x0e 0 0 0 0 1 1 1 1 configuration o16 is high-impedance output; blink is disabled; global intensity is enabled 0x0f 0 0 1 1 0 1 0 0 outputs intensity o1, o0 o1, o0 are static logic outputs 0x10 1 1 1 1 1 1 1 1 outputs intensity o3, o2 o3, o2 are static logic outputs 0x11 1 1 1 1 1 1 1 1 outputs intensity o5, o4 o5, o4 are static logic outputs 0x12 1 1 1 1 1 1 1 1 outputs intensity o7, o6 o7, o6 are static logic outputs 0x13 1 1 1 1 1 1 1 1 outputs intensity o9, o8 o9, o8 are static logic outputs 0x14 1 1 1 1 1 1 1 1 outputs intensity o11, o10 o11, o10 are static logic outputs 0x15 1 1 1 1 1 1 1 1 outputs intensity o13, o12 o13, o12 are static logic outputs 0x16 1 1 1 1 1 1 1 1 outputs intensity o15, o14 o15, o14 are static logic outputs 0x17 1 1 1 1 1 1 1 1 4. register data register address code (hex) d7 d6 d5 d4 d3 d2 d1 d0 configuration r/ w 0 blink status output o16 0 global intensity blink flip blink enable write device configuration 0 xx read back device configuration 1 0 blink o1 o0 0 gbe disable blink xxxxxxx 0 enable blink xxxxxxx 1 ? xxxxxx 01 flip blink register (see text) 0x0f xxxxxx 11 x = don? care.
max6964 17- led /gpo 12 ______________________________________________________________________________________ 4. ( ) register data register address code (hex) d7 d6 d5 d4 d3 d2 d1 d0 configuration r/ w 0 blink status output o16 0 global intensity blink flip blink enable write device configuration 0 xx read back device configuration 1 0 blink o1 o0 0 gbe disable global intensity control?ntensity is set by registers 0x10?x17 for ports o0 through o15 when configured as outputs, and by d3?0 of register 0x0e for output xxxxx 0 xx enable global intensity control?ntensity for all ports configured as outputs is set by d3?0 of register 0x0e xxxxx 1 xx o16 output is low (blink is disabled) xxx 00 xx 0 o16 output is high impedance (blink is disabled) xxx 10 xx 0 o 16 outp ut i s l ow d ur i ng b l i nk p hase 0 xxx 00 xx 1 o16 output is high impedance during blink phase 0 xxx 10 xx 1 o 16 outp ut i s l ow d ur i ng b l i nk p hase 1 xx 0 x 0 xx 1 o16 output is high impedance during blink phase 1 xx 1 x 0 xx 1 read back blink input pin status; input is low 1 x 0 xxxxxx read back blink input pin status; input is high 1 0x0f x 1 xxxxxx 5. blink enable flag e blink flip flag b blink input pin blink flip flag exor blink input pin blink function output registers used 0x xx disabled blink phase 0 00 0 blink phase 0 01 1 blink phase 1 10 1 blink phase 1 1 11 0 enabled blink phase 0 x = don? care. x = don? care.
max6964 17- led /gpo ______________________________________________________________________________________ 13 6. 0 register data register r/ w address code (hex) d7 d6 d5 d4 d3 d2 d1 d0 write outputs o7?0 phase 0 0 read back outputs o7?0 phase 0 1 0x02 op7 op6 op5 op4 op3 op2 op1 op0 write outputs o15?8 phase 0 0 read back outputs o15?8 phase 0 1 0x03 op15 op14 op13 op12 op11 op10 op9 op8 7. 1 register data register r/ w address code (hex) d7 d6 d5 d4 d3 d2 d1 d0 write outputs o7?0 phase 1 0 read back outputs o7?0 phase 1 1 0x0a op7 op6 op5 op4 op3 op2 op1 op0 write outputs o15?8 phase 1 0 read back outputs o15?8 phase 1 1 0x0b op15 op14 op13 op12 op11 op10 op9 op8 8. pwm application recommended configuration all outputs static without pwm set the master and global intensity register 0x0e to any value from 0x00 to 0x0f. the global intensity g bit in the configuration register is don't care. the output intensity registers 0x10 through 0x17 are don't care. a mix of static and pwm outputs, with pwm outputs using different pwm settings set the master and global intensity register 0x0e to any value from 0x10 to 0xff. clear global intensity g bit to zero in the configuration register to disable global intensity control. for the static outputs, set the output intensity value to 0xf. for the pwm outputs, set the output intensity value in the range 0x0 to 0xe. a mix of static and pwm outputs, with pwm outputs all using the same pwm setting as above. global intensity control cannot be used with a mix of static and pwm outputs, so write the individual intensity registers with the same pwm value. all outputs pwm using the same pwm setting set the master and global intensity register 0x0e to any value from 0x10 to 0xff. set global intensity g bit to 1 in the configuration register to enable global intensity control. the master and global intensity register 0x0e is the only intensity register used. the output intensity registers 0x10 through 0x17 are don't care.
max6964 17- led /gpo 14 ______________________________________________________________________________________ pwm max6964 32khz led pwm dac pwm . pwm . pwm max6964 . max6964 pwm . pwm 4- ( 12). pwm ( 11). 8 max6964 . pwm pwm 240- pwm , 15 . 16 pwm ( 12). pwm 1 15 ( 13, 14, 15) ( 11). 4- . 1/16 16/16 16 ( 12). 16, 17, 18 . 16/16 . . pwm . pwm ( 5) pwm 0 ( 6). 0 0 1 9 . 0 1/16 16 led pwm . 1 15/16 16 led . pwm ( 5) 0 1 pwm ( 6 7). x 0 1 10 . led , / pwm . 12. pwm one pwm period is 240 cycles of the 32khz pwm oscillator; a pwm period contains 15 master intensity timeslots 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 14 15 1 2 each master intensity timeslot contains 16 pwm cycles 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 15 16 1 2 11. blink blink enable flag e blink flip flag b blink input blink phase registers
max6964 17- led /gpo ______________________________________________________________________________________ 15 /o16 o16 pwm 4- ( 11). 17 pwm . g ( 4). pwm 4- 4- 8 240 . pwm . pwm pwm ( 8). ________________________ max6964 . . 7v . cmos 220k ? . . led led led led 50ma . : r led = (v supply - v led - v ol ) / i led , r led led ( ? ). v supply led (v). v led led (v). v ol i led max6964 (v). i led led (a). 5v 14ma 2.2v led r led = (5 - 2.2 - 0.25) / 0.014 = 182 ? . 15. 15/15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 14 15 2 1 . . 14. 14/15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 14 15 2 1 . . 13. 1/15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 14 15 2 1 . 17. ( ) 15/16 master intensity timeslot 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 next master intensity timeslot 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 16. ( ) 1/16 master intensity timeslot 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 next master intensity timeslot 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18. ( ) 16/16 master intensity timeslot control is ignored 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
50ma led 50ma . 50ma . 6v 330mw 55ma . o0-o7 o8-o15 . . o16 . o16 . max6964 ( 19). . max6964 2v~3.6v . 0.047? gnd . max6964 17- led /gpo 16 ______________________________________________________________________________________ 9. pwm ( ) pwm duty cycle output blink phase 0 register bit = 0 pwm duty cycle output blink phase 0 register = 1 output (or global) intensity setting low time high time led behavior when output blink phase 0 register bit = 0 (led is on when output is low) low time high time led behavior when output blink phase 0 register bit = 1 (led is on when output is low) 0x0 1/16 15/16 lowest pwm intensity 15/16 1/16 highest pwm intensity 0x1 2/16 14/16 14/16 2/16 0x2 3/16 13/16 13/16 3/16 0x3 4/16 12/16 12/16 4/16 0x4 5/16 11/16 11/16 5/16 0x5 6/16 10/16 10/16 6/16 0x6 7/16 9/16 9/16 7/16 0x7 8/16 8/16 8/16 8/16 0x8 9/16 7/16 7/16 9/16 0x9 10/16 6/16 6/16 10/16 0xa 11/16 5/16 5/16 11/16 0xb 12/16 4/16 4/16 12/16 0xc 13/16 3/16 3/16 13/16 0xd 14/16 2/16 increasing pwm intensity 2/16 14/16 increasing pwm intensity 0xe 15/16 1/16 highest pwm intensity 1/16 15/16 lowest pwm intensity 0xf static low static low full intensity, no pwm (led on continuously) static high impedance static high impedance led off continuously 19. max6964 o8 o10 o0 o1 o2 o3 o4 o5 o6 o7 v+ 2v to 3.6v c sda scl blink sda i/o ad0 o11 o12 o13 o14 o15 scl i/o o9 gnd 0.047 f rst mmtbt4148 5v
max6964 17- led /gpo ______________________________________________________________________________________ 17 10. pwm ( ) examples of led blink behavior (led is on when output is low) pwm duty cycle output blink phase x register bit = 0 pwm duty cycle output blink phase x register = 1 output (or global) intensity setting low time high time low time high time blink phase 0 register bit = 0 blink phase 1 register bit = 1 blink phase 0 register bit = 1 blink phase 1 register bit = 0 0x0 1/16 15/16 15/16 1/16 0x1 2/16 14/16 14/16 2/16 0x2 3/16 13/16 13/16 3/16 0x3 4/16 12/16 12/16 4/16 0x4 5/16 11/16 11/16 5/16 0x5 6/16 10/16 10/16 6/16 0x6 7/16 9/16 9/16 7/16 p hase 0: le d on at l ow i ntensi ty p hase 1: le d on at hi g h i ntensi ty p hase 0: le d on at hi g h i ntensi ty p hase 1: le d on at l ow i ntensi ty 0x7 8/16 8/16 8/16 8/16 output is half intensity during both blink phases 0x8 9/16 7/16 7/16 9/16 0x9 10/16 6/16 6/16 10/16 0xa 11/16 5/16 5/16 11/16 0xb 12/16 4/16 4/16 12/16 0xc 13/16 3/16 3/16 13/16 0xd 14/16 2/16 2/16 14/16 0xe 15/16 1/16 1/16 15/16 p hase 0: le d on at hi g h i ntensi ty p hase 1: le d on at l ow i ntensi ty p hase 0: le d on at l ow i ntensi ty p hase 1: le d on at hi g h i ntensi ty 0xf static low static low static high impedance static high impedance phase 0: led on continuously phase 1: led off continuously phase 0: led off continuously phase 1: led on continuously
max6964 17- led /gpo 18 ______________________________________________________________________________________ 11. o16 register data register address code (hex) d7 d6 d5 d4 d3 d2 d1 d0 msb lsb msb lsb master and global intensity r/ w master intensity o16 intensity write master and global intensity 0 read back master and global intensity 1 m3 m2 m1 m0 g3 g2 g1 g0 master intensity duty cycle is 0/15 (off); internal oscillator is disabled; all outputs will be static with no pwm 0000 master intensity duty cycle is 1/15 0001 master intensity duty cycle is 2/15 0010 master intensity duty cycle is 3/15 0011 master intensity duty cycle is 13/15 1101 master intensity duty cycle is 14/15 1110 master intensity duty cycle is 15/15 (full) 1111 o/16 intensity duty cycle is 1/16 0 0 0 0 o/16 intensity duty cycle is 2/16 0 0 0 1 o/16 intensity duty cycle is 3/16 0 0 1 0 o/16 intensity duty cycle is 14/16 1 1 0 1 o/16 intensity duty cycle is 15/16 1 1 1 0 o/16 intensity duty cycle is 16/16 (static output, no pwm) 0x0e 1 1 1 1
max6964 17- led /gpo ______________________________________________________________________________________ 19 12. register data register address code (hex) d7 d6 d5 d4 d3 d2 d1 d0 msb lsb msb lsb outputs o1, o0 intensity r/ w write output o1, o0 intensity 0 read back output o1, o0 intensity 1 o1i3 o1i2 o1i1 o1i0 o0i3 o0i2 o0i1 o0i0 output o1 intensity duty cycle is 1/16 0000 output o1 intensity duty cycle is 2/16 0001 output o1 intensity duty cycle is 3/16 0010 output o1 intensity duty cycle is 14/16 1101 output o1 intensity duty cycle is 15/16 1110 output o1 intensity duty cycle is 16/16 (static logic level, no pwm) 1111 output o0 intensity duty cycle is 1/16 0 0 0 0 output o0 intensity duty cycle is 2/16 0 0 0 1 output o0 intensity duty cycle is 3/16 0 0 1 0 output o0 intensity duty cycle is 14/16 1 1 0 1 output o0 intensity duty cycle is 15/16 1 1 1 0 output o0 intensity duty cycle is 16/16 (static logic level, no pwm) 0x10 1 1 1 1 msb lsb msb lsb outputs o3, o2 intensity output o3 intensity output o2 intensity write output o3, o2 intensity 0 read back output o3, o2 intensity 1 0x11 o3i3 o3i2 o3i1 o3i0 o2i3 o2i2 o2i1 o2i0 msb lsb msb lsb outputs o5, o4 intensity output o5 intensity output o4 intensity write output o5, o4 intensity 0 read back output o5, o4 intensity 1 0x12 o5i3 o5i2 o5i1 o5i0 o4i3 o4i2 o4i1 o4i0 msb lsb msb lsb outputs o7, o6 intensity output o7 intensity output o6 intensity write output o7, o6 intensity 0 read back output o7, o6 intensity 1 0x13 o7i3 o7i2 o7i1 o7i0 o6i3 o6i2 o6i1 o6i0
max6964 17- led /gpo 20 ______________________________________________________________________________________ 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 v+ sda scl blink o0 ado rst top view o15 o14 o13 o12 o4 o3 o2 o1 16 15 14 13 9 10 11 12 o11 o10 o9 o8 gnd o7 o6 o5 qsop max6964aeg o16 ____________________________ ( ) _________________________________ transistor count: 25,991 technology: bicmos 12. ( ) register data register address code (hex) d7 d6 d5 d4 d3 d2 d1 d0 msb lsb msb lsb outputs o9, o8 intensity r/ w write output o9, o8 intensity 0 read back output o9, o8 intensity 1 0x14 o9i3 o9i2 o9i1 o9i0 o8i3 o8i2 o8i1 o8i0 msb lsb msb lsb outputs o11, o10 intensity output o11 intensity output o10 intensity write output o11, o10 intensity 0 read back output o11, o10 intensity 1 0x15 o11i3 o11i2 o11i1 o11i0 o10i3 o10i2 o10i1 o10i0 msb lsb msb lsb outputs o13, o12 intensity output o13 intensity output o12 intensity write output o13, o12 intensity 0 read back output o13, o12 intensity 1 0x16 o13i3 o13i2 o13i1 o13i0 o12i3 o12i2 o12i1 o12i0 msb lsb msb lsb outputs o15, o14 intensity output o15 intensity output o14 intensity write output o15, o14 intensity 0 read back output o15, o14 intensity 1 0x17 o15i3 o15i2 o15i1 o15i0 o14i3 o14i2 o14i1 o14i0 output o16 intensity see master, 016 register (table 11).
max6964 17- led /gpo ______________________________________________________________________________________ 21 qsop.eps e 1 1 21-0055 package outline, qsop .150", .025" lead pitch _________________________________________________________________________ . www.maxim-ic.com/packages .
max6964 17- led /gpo 22 ______________________________________________________________________________________ 24l qfn thin.eps c 1 2 21-0139 package outline 12, 16, 20, 24l thin qfn, 4x4x0.8mm ____________________________________________________________________ ( ) . www.maxim-ic.com/packages .
max6964 17- led /gpo maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circu it patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 ____________________ 23 2004 maxim integrated products printed usa is a registered trademark of maxim integrated products. c 2 2 21-0139 package outline 12, 16, 20, 24l thin qfn, 4x4x0.8mm ____________________________________________________________________ ( ) . www.maxim-ic.com/packages .

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