ptc04 - db - 922xx daughter board for melexis ptc devices ptc04 - db - 922xx datas heet rev. 1 .0 page 1 of 8 j an 2014 features and benefits ptc04 interface board for testing devices : ? mlx 9 2232 ? mlx9 2242 applications experimental tool for lab and prototyping production equipment for serial programming ordering information part no. description ptc04 - db - 922xx rev. 1 daughter board accessories part no. description dlls for all supported products user inter f aces for support ed products firmware for supported products 1. functional diagram p p s 1 u a r t / p e v d d p p s 2 o u t i 2 c e b c o m m u n i c a t i o n
ptc04 - db - 922xx daughter board for melexis ptc devices ptc04 - db - 922xx datas heet rev. 1 .0 page 1 - 2 of 8 j an 2014 table of conten ts features and benefit s ................................ ................................ ................................ ....................... 1 applications ................................ ................................ ................................ ................................ ............ 1 ordering information ................................ ................................ ................................ ......................... 1 accessories ................................ ................................ ................................ ................................ ............ 1 1. functional diagram ................................ ................................ ................................ ...................... 1 2. board description ................................ ................................ ................................ ........................ 3 2.1. b oard l ayout ................................ ................................ ................................ ................................ .............. 3 2.2. b oard s chematics ................................ ................................ ................................ ................................ ....... 4 2.3. d aughter board c onnectors ................................ ................................ ................................ ................... 5 2.3.1. digital db connector (40 pins) ................................ ................................ ................................ ............. 5 2.3.2. analog db connector (48 pins) ................................ ................................ ................................ ............. 6 2.4. a pplication c onnector ................................ ................................ ................................ .............................. 6 2.4.1. the db15_female connector (application connector) ................................ ................................ .......... 6 2.4.2. the screw termin al ................................ ................................ ................................ ................................ . 7 3. disclaimer ................................ ................................ ................................ ................................ ......... 8
ptc04 - db - 922xx daughter board for melexis ptc devices ptc04 - db - 922xx datas heet rev. 1 .0 page 3 of 8 j an 2014 2. board description 2.1. board layout ? con 5 : jumpers to connect the measurement sense lines immediately to the force lines. these jumpers are needed when no force and sense is used. ? db - id: this id keeps a few initial variables in mind. it allows for example to detect what db is connected to the programmer and if the db is not expired. ? con1, con2 : analogue and digi tal connector: see below for a detailed description. ? con3: db connector , connector to the application. see below for details. ? led indicators: 8 led indicators for the db_iodrv lines. ? 1 3 pins screw terminal . it p rovides the same signals as the appli cation connector. l e d i n d i c a t o r s d b - i d s c r e w t e r m i n a l 1 2 d i g i t a l c o n n e c t o r a n a l o g u e c o n n e c t o r c o n 1 c o n 2 c o n 5 a p p l i c a t i o n c o n n e c t o r p i n 1
ptc04 - db - 922xx daughter board for melexis ptc devices ptc04 - db - 922xx datas heet rev. 1 .0 page 4 of 8 j an 2014 2.2. board schematics below you can find the complete schematics of the db:
ptc04 - db - 922xx daughter board for melexis ptc devices ptc04 - db - 922xx datas heet rev. 1 .0 page 5 of 8 j an 2014 2.3. daughter board connectors the ptc04 main board has two connectors to the interface with the application. the ptc allows adding a full p cb in between (daughter board) . this daughter board can be mounted on the two connectors. in some exceptional cases, a daughter board contains only a few wires from the analogue connector to the application connector . the pin s on of the connectors are desc ribed below. 2.3.1. digital db connector (40 pins) mainly, the digital connector is meant to expand the programmer to extra needs . ad d ress lines a0 - a7 together with the map select lines f8 - ff allows to direct access an area of 2 k . examples would be adding a simple addressed i/o regi ster by using the selection lines. if more complexity is needed, a full fpga can be mounted on the db board pins names description 1 C 8 a0 C a7 address lines 9 C 16 d0 C d7 data lines active during rd or wr signals 17 rd read: a negative pulse will indicate a sampling of the data on the data bus 18 wr write: a negative pulse will indicate when data is avail a bl e on the data bus 20 reset this signal goes low by powering the ptc or by pressing the reset button . this line can be pulled low by application. check firmware documentation for resetting by software . 21 - 22 scl / sda i 2 c bus 23 - 30 f8,f9,,ff cs lines when the address areas are access ed 31 - 38 port e note: these pins are limited to 5 vo lt input/ output!!! the full port e of the atmega core is mounted to these pins. this allows us to use advanced features like pwm, uarts, time measurements, etc. by using firmware that support s these, functions, application specific requirements can be fulfilled. 39 dgnd digital ground 40 +5v digital 5 volt digital supply. maximum current to get out of this supply : 250 ma note: all the p ins are limited to 5 volt input/ output!!! however, there are protections, please take precautions in order to avoid damage of the main board. meas_line_p1 +36v_supply isense_pps3 vout_pps4 ana.comp2 isense_pps2 pe5 sda rd fc isense_pps1 pe4 d1 vout_pps3 a0 meas_line_p3 pe0 f8 a6 pe3 ana.comp0 d4 agnd d6 pe7 meas_line_n3 d5 meas_line_p4 fa meas_line_n2 scl vout_pps1 d3 wr +5v_digital_supply a4 fb agnd vout_pps2 d2 d7 48 pin header 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 35 37 36 38 39 40 41 42 43 44 45 46 47 48 digital db connector meas_line_n4 meas_line_p2 analog db connector pe1 40 pin header 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 a1 pe6 ana.comp3 meas_line_n1 fe d0 +2.5v_ref_supply dgnd ana.comp1 a7 fd ff a2 a5 a3 f9 pe2 reset isense_pps4
ptc04 - db - 922xx daughter board for melexis ptc devices ptc04 - db - 922xx datas heet rev. 1 .0 page 6 of 8 j an 2014 2.3.2. analog d b connector (4 8 pins) mainly, the analog connector provides all the analog signals and measure possibilities. pins names description 28,32,36 pps 1 - 3 output of the high current programmable supplies 40 pps 4 output of the fast dac programmable power sup ply 27,31,35,39 isense_pp1 - 4 outputs (driver outputs before rsens) for current evaluations. these outputs could be used to connect to the analog comparators in order to create fast d igital signals based on current. 2,4,6,8 extmeas1 - 4pos there are 4 diffe rential inputs for making measurements , these are the positive inputs . 10,12,14,16 extmeas1 - 4neg the negative inputs of extmeas1 - 4pos 43,44,47,48 anacomp0 - 3 input (limited to + 5v) see *note. fast level comparators in order to remove time consuming measu rement 18 +35v_supply supply to extend the daugh t er board with some extra drivers 24 +2.5v _ ref output of internal reference all other agnd analog ue ground note: all the pins are limited to 3 5 volt input/output!! ! however, there are p rotections, please take precautions in order to avoid damage of the main board. * note: some pins are protected and limited to 5 volt! !! however, there are protections, please take precautions in order to avoid damage of the main board. 2.4. application connector there are two ways to connect the application to ptc04 : 2.4.1. the db15_female connector (application connector) pins names description 1 v dd_die device supply 2 out 1 _die device output 1 3 gnd_die analogue ground 4 measure line p4 5 5v_d 5v digital supply (supply extension board) 6 pps3 additional power supply line 7 sda i2c communication (communication with extension board) 8 scl i2c communication (communication with extension board) 9 vdd_sense_die sensing dev ice supply 10 out1 _sense_die sensing device output 1 11 gnd _sense_die sensing analogue ground device 12 measure line n4 13 14 15 d b 1 5 f e m a l e c o n n e c t o r 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5
ptc04 - db - 922xx daughter board for melexis ptc devices ptc04 - db - 922xx datas heet rev. 1 .0 page 7 of 8 j an 2014 2.4.2. the screw terminal pins names description 1 vdd_die device supply 2 vdd_sense_die sensing device supply 3 out1_ die device output 1 4 out1_sense_die sensing device output 1 5 gnd_die analogue ground device 6 gnd_sense_die sensi ng analogue ground device 7 p4 measure line 8 n 4 measure line 9 5v_d 5v digital supply (supply extension board) 10 v_pps3 additional power supply 11 scl i2c communication (communication with extension board) 12 sda i2c communication (communication with extension board) 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1 1 2 p i n s c r e w t e r m i n a l
ptc04 - db - 922xx daughter board for melexis ptc devices ptc04 - db - 922xx datas heet rev. 1 .0 page 8 of 8 j an 2014 3. disclaimer devices sold by melexis are covered by the warranty and patent indemnification provisions appearing in its term of sale. melexis makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. melexis reserves the right to change specifications and prices at any time and without notice. therefore, prior to designing this product into a system, it is necessary to check with melexis for current information. this product is intended for use in normal commercial applications. applications requiring exten ded temperature range, unusual environmental requirements, or high reliability applications, such as military, medical life - support or life - sustaining equipment are specifically not recommended without additional processing by melexis for each application. the information furnished by melexis is believed to be correct and accurate. however, melexis shall not be liable to recipient or any third party for any da m ages, including but not limited to personal injury, property damage, loss of profits, loss of use, interrupt of business or indirect, special incidental or cons e quential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein. no obligation or liability to recipient or any third party s hall arise or flow out of melexis rendering of technical or other services. ? 2014 melexis nv. all rights reserved. for the latest version of this document, go to our website at www.melexis .com or for additional information contact melexis direct: europe, africa, asia: phone: +32 1367 0495 e - mail: sales_europe@melexis.com america: phone: +1 603 223 2362 e - mail: sales_usa@melexis.com iso/ts 16949 and iso14001 certified
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