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PCF8534A Datasheet(PDF) 6 Page - NXP Semiconductors |
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PCF8534A Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 52 page PCF8534A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 6 — 25 July 2011 6 of 52 NXP Semiconductors PCF8534A Universal LCD driver for low multiplex rates 6.2 Pin description [1] The substrate (rear side of the die) is connected to VSS and should be electrically isolated. Table 3. Pin description Symbol Pin Type Description SOT315-1 Wire bond die S31 to S59 1 to 29 44 to 72 output LCD segment output 31 to 59 BP0 to BP3 30 to 33 73 to 76 output LCD backplane output 0 to 3 n.c. 34 to 37 - - not connected; do not connect and do not use as feed through SDA 38 1 input/output I2C-bus serial data input and output SCL 39 2 input I2C-bus serial clock input CLK 40 3 input/output external clock input and internal clock output VDD 41 4 supply supply voltage SYNC 42 5 input/output cascade synchronization input and output (active LOW) OSC 43 6 input enable input for internal oscillator A0 to A2 44 to 46 7 to 9 input subaddress counter input 0 to 2 SA0 47 10 input I2C-bus slave address input 0 VSS 48 11[1] supply ground VLCD 49 12 supply input of LCD supply voltage S0 to S30 50 to 80 13 to 43 output LCD segment output 0 to 30 |
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