integrated circuits inc. AIVR8511 oct 06, 2009 2 a plus make your production a-plus data sheet AIVR8511 ? 85 sec a plus integrated circuits inc. sales e-mail: sales@aplusinc.com.tw address: 3 f-10, no. 32, sec. 1, chenggung rd., taipei, taiwan 115, r.o.c. (115) ???^?? 32 ? 3 ? 10. tel: 886-2-2782-9266 fax: 886-2-2782-9255 website : http: //www.aplusinc.com.tw support e-mail: service@aplusinc.com.tw
integrated circuits inc. AIVR8511 oct 06, 2009 3 features standard cmos process. embedded eprom. embedded 8-bit mcu. 85sec voice duration at 6 khz sampling with 4-bit adpcm compression. combination of voice building blocks to extend playback duration. table entries are available for voice block combinations. user selectable pcm or adpcm data compress. voice group trigger options: edge / level; hold / un-hold; retrigger / non-retrigger. programmable i/os, timer interrupt and watch dog timer. built-in oscillator with fixed rosc, software control sampling frequency 2.2v ? 3.6v single power supply and < 5ua low stand-by current. pwm vout1 and vout2 drive speaker directly with two levels of volume selection. d/a cout with ramp-up ramp-down option to drive speaker through an external bjt. description aplus? AIVR8511 is a 8-bit mcu based voice chip. it is fabricated with standard cmos process with embedded voice storage memory. it can store 85sec voice message with 4-bit adpcm compression at 6khz sampling rate. 8-bit pcm is also available as user selectable option to improve sound quality. there are eleven programmable i/o pi ns. key trigger and parallel cpu trigger mode can be configured according to different applica tion requirement. user selectable triggering and output signal options provide maximum flexibility to va rious applications. built-in resistor controlled oscillator, 8-bit current mode d/a output and pwm direct speaker driving output minimize the number of external components. two levels volume control for pwm speaker direct drive is available.
integrated circuits inc. AIVR8511 oct 06, 2009 4 pin configuration pin descriptions pin names description vout1 pwm output to drive speaker directly vout2_cout pwm output or cout dac out put select by programmable option vss power ground osc oscillator input vdda positive power supply vdd positive power supply pb0~pb3 programmable i/o port b pc0~pc3 programmable i/o port c pd0~pd2 programmable i/o port d rstb reset pin, low active note: pb, pc and pd ports are software programmabl e i/o pins that can be set to different configurations such as pure input, input with pull-up, input with pull-down and output. the programmable i/o pins set up will take effect immediately after chip reset is applied. pins for memory programming are: vdd, vdda, vss, pb0, pb1, osc, vout2 and rstb.
integrated circuits inc. AIVR8511 oct 06, 2009 5 block diagram absolute maximum ratings symbol rating unit v dd - v ss -0.5 ~ +4.0 v v in v ss - 0.3 integrated circuits inc. AIVR8511 oct 06, 2009 6 dc characteristics ( t a = 0 to 70 , v dd = 3.0v, v ss = 0v ) symbol parameter min. typ. max. unit conditions v dd operating voltage 2.2 3.0 3.6 v i sb standby current ? 1 5 a i/o properly terminated i op operating current ? 7 ? ma i/o properly terminated v ih "h" input voltage 2.5 3.0 3.5 v v dd =3.0v v il "l" input voltage -0.3 0 0.5 v v dd =3.0v i voutl_n v out low o/p current (normal volume) ? 130 ? ma vout=1.0v i voutl_h v out low o/p current (high volume) ? 200 ? ma vout=1.0v i vouth_n v out high o/p current (normal volume) ? -130 ? ma vout=2.0v i vouth_h v out high o/p current (high volume) ? -200 ? ma vout=2.0v i co c out o/p current ? -2 ? ma data = 80h i oh o/p high current ? -10 ? ma v oh =2.5v i ol o/p low current ? 17 ? ma v ol =0.3v rn vout vout pull-down resistance ? 100k ? vout pin set to internal pull-down rn pio programmable io pin pull-down resistance ? 1m ? pbx, pcx, pdx set to internal pull-down ru pio programmable io pin pull-up resistance 3.3k 4.7k ? pbx, pcx, pdx set to internal pull-up ? fs/fs frequency stability -3 ? + 3 % v dd = 3v +/- 0.4v ? fc/fc chip to chip frequency variation -5 ? + 5 % also apply to lot to lot variation
integrated circuits inc. AIVR8511 oct 06, 2009 7 typical applications using 3.3v battery direct drive speaker using 4.5v battery with cout speaker drive vdd,vdda vss 4.5v rstb pb0 pb1 pb2 osc 0.1uf c1, 0.1uf r osc = 610k tr vout2 _ 8 ? 1/4w speake r ht7335 output driving of ht ldo: ht7133 (30ma, 3.3v) ht7536 (100ma, 3.6v) ht7335 ( 250ma , 3.5v ) rb 4.7k note : pb0 to pb2 are set to input c1 must be connected directl y on the vdd and vss p ins vdd,vdda vss 3.3v rstb pb0 pb1 pb2 osc crst = 0.1uf c1, 0.1uf r osc = 610k vout1 vout2 _ pb3 rrst = 4.7k note: 1. pb0 to pb2 are set to input; pb3 is set to output 2. c1 must be connected directly on the vdd and vss pins of the chip 3. r1 is optional for fast discharge of c1 and crst when power off. 4. c2 is added according to the table below: vout volume spk c2 normal 8, 16 or 32 ? not needed high 16 or 32 ? not needed high 8 ? 1000pf (102) high < 8 ? 2000pf (202) r1 1m spk c2
integrated circuits inc. AIVR8511 oct 06, 2009 8 5v cpu control with cout note for cout speaker drive: 1. c1 must be connected as close to the chips vdd and vss pins as possible. 2. rb is base resistor from 120 ohm to 390 oh m depends on value of vdd and transistor gain. 3. tr is an npn transistor with beta larger than 150, e.g. 8050d. 4. rosc = 610k ohm with vdd=3.0v can support sampling rate up to 14khz. 5. for sampling rate higher than 14khz, smaller value of rosc should be used. bonding diagrams note: substrate must be connected to vss vdd,vdd vs rstb pb3 os 0.1uf c1, 0.1uf r osc =610k tr vout2 _ 8 ? 1/4w speaker ht7335 pb0 pb1 pb2 vout=+3.5 addr[0 addr[1 addr[2 io0 vin=+5v note : pb0 to pb2 set to internal pull-up addr [ 0 ] to [ 2 ] are o p en drain out p ut mcu rb 4.7k
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