PCA8538UG(2014) View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
PCA8538UG Datasheet PDF : 107 Pages
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NXP Semiconductors
PCA8538
Automotive 102 x 9 Chip-On-Glass LCD segment driver
7.2 Pin description
Table 4. Pin description
Input or input/output pins must always be at a defined level (VSS or VDD) unless otherwise specified.
Symbol
Pin
Type
Description
Backplane output pins
COM8
1 to 3, 194, 195
output
LCD backplane
COM7
4, 5, 192, 193
COM6
6, 7, 190, 191
COM5
8, 9, 188, 189
COM4
10, 11, 186, 187
COM3
117, 118, 184, 185
COM2
119, 120, 182, 183
COM1
121, 122, 180, 181
COM0
123 to 125, 178, 179
Segment output pins
S101
126, 127
output
LCD segment
S100 to S51 128 to 177
S50 to S1
196 to 245
S0
246, 247
VLCD pins
VLCDIN
12 to 15
VLCDSENSE 16 to 18
VLCDOUT 19 to 22
Test pins
supply
input
output
VLCD input
VLCD regulation input
VLCD output
T4
23 to 25
output
not accessible; must be left open
T3
26 to 30
input
not accessible; must be connected to T5
T5
31, 32
output
not accessible; must be connected to T3
T6
33, 34
output
not accessible; must be left open
T1
58, 59
T2
60, 61
input
not accessible; must be connected to VSS1
Supply pins
VSS2[1]
35 to 44
supply
ground supply
VSS3[1]
45 to 48
VSS1[1]
49 to 57
VDD1
74 to 78
supply
supply voltage 1 (analog and digital)
VDD3
79 to 82
supply
supply voltage 3 (analog)
VDD2
83 to 90
supply
supply voltage 2 (charge pump)
PCA8538
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 26 September 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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