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EM6620WS27 Datasheet(PDF) 4 Page - EM Microelectronic - MARIN SA |
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EM6620WS27 Datasheet(HTML) 4 Page - EM Microelectronic - MARIN SA |
4 / 56 page R EM6620 Copyright © 2005, EM Microelectronic-Marin SA 4 www.emmicroelectronic.com 1. Pin Description for EM6620 Chip QFP 44 DIL 40 QFP 32 Signal Name Function Remarks 1 13 7 9 C2B Voltage multiplier Not needed if ext. supply 2 14 8 10 C2A Voltage multiplier Not needed if ext. supply 3 15 9 11 C1B Voltage multiplier Not needed if ext. supply 4 16 10 12 C1A Voltage multiplier Not needed if ext. supply 5 18 11 13 VL1 Voltage multiplier level 1 LCD level 1 input, if external supply selected 6 19 12 14 VL2 Voltage multiplier level 2 LCD level 2 input, if external supply selected 7 20 13 15 VL3 Voltage multiplier level 3 LCD level 3 input, if external supply selected 8 21 14 16 COM[4] LCD back plane 4 Not used if 3 times multiplex selected 9 25 17 17 COM[3] LCD back plane 3 10 26 18 18 COM[2] LCD back plane 2 11 27 19 19 COM[1] LCD back plane 1 12 28 20 nc SEG[8] LCD segment 8 Not bonded for QFP 32 13 29 21 20 SEG[7] LCD segment 7 14 30 22 21 SEG[6] LCD segment 6 15 31 23 22 SEG[5] LCD segment 5 16 32 24 23 SEG[4] LCD segment 4 17 33 25 24 SEG[3] LCD segment 3 18 35 27 25 SEG[2] LCD segment 2 19 36 28 26 SEG[1] LCD segment 1 20 37 29 27 Test Input test terminal Internal pull-down 15k For EM tests only, GND 0 ! except when needed for MFP programming 21 38 30 28 PB[0] Input/output, open drain port B terminal 0 Port B data[0] I/O or dynamic input comparator input 22 39 31 29 PB[1] Input/output, open drain port B terminal 1 Port B data[1] I/O or ck[12] output 23 40 32 30 PB[2] Input/output, open drain port B terminal 2 Port B data[2] I/O or ck[1] output 24 41 33 31 PB[3] Input/output, open drain port B terminal 3 Port B data[3] I/O or PWM output 25 43 35 32 PA[0] Input port A terminal 0 Testvar 1 Event counter 26 1 36 1 PA[1] Input port A terminal 1 Testvar 2 27 2 37 2 PA[2] Input port A terminal 2 Testvar 3 28 3 38 3 PA[3] Input port A terminal 3 Event counter MSC start/stop control 29 5 39 4 VBAT=VDD Positive power supply MFP Connection 30 6 40 5 Vreg Internal voltage regulator Connect to minimum 100nF, MFP Connection 31 8 1 6 Qout / Osc2 Crystal terminal 32kHz crystal, MFP Connection 32 10 3 7 Qin / Osc1 Crystal terminal 32kHz crystal, MFP Connection 33 11 5 8 VSS Negative power supply Reference terminal, MFP Connection * gray shaded : terminals needed for MFP programming connections (VDD, VregLogic, Qin, Qout, Test, VSS). |
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Similar Description - EM6620WS27 |
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