PCA85176 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 6 — 7 April 2015 6 of 60
NXP Semiconductors
PCA85176
40 x 4 automotive LCD driver for low multiplex rates
6.2 Pin description
Table 4. Pin description
Input or input/output pins must always be at a defined level (V
SS
or V
DD
) unless otherwise specified.
Symbol Pin Description
TQFP64
(PCA85176H)
TSSOP56
(PCA85176T)
Type
SDA 10 44 input/output I
2
C-bus serial data line
SCL 11 45 input I
2
C-bus serial clock
CLK 13 47 input/output clock line
V
DD
14 48 supply supply voltage
SYNC
12 46 input/output cascade synchronization
input or output; if not used
it must be left open
OSC 15 49 input internal oscillator enable
A0 to A2 16 to 18 50 to 52 input subaddress inputs
SA0 19 53 input I
2
C-bus address input
V
SS
20 54 supply ground supply voltage
V
LCD
21 55 supply LCD supply voltage
BP0, BP2,
BP1, BP3
25 to 28 56, 1, 2, 3 output LCD backplane outputs
S0 to S39 29 to 32, 34 to 47,
49 to 64, 2 to 7
4 to 43 output LCD segment outputs
n.c. 1, 8, 9, 22 to 24,
33, 48
- - not connected; do not
connect and do not use as
feed through
