PCF8578 Ver la hoja de datos (PDF) - NXP Semiconductors.
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PCF8578 Datasheet PDF : 46 Pages
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NXP Semiconductors
PCF8578
LCD row/column driver for dot matrix graphic displays
7.2 Pin description
Table 3.
Symbol
Pin description
Pin
VSO56
SDA
SCL
SYNC
CLK
VSS
TEST[1]
SA0
OSC
VDD
V2 to V5
VLCD
n.c.
1
2
3
4
5
6
7
8
9
10 to 13
14
15, 16
C39 to C32
R31/C31 to R8/C8
17 to 24
25 to 48
R7 to R0
49 to 56
Description
LQFP64,
TQFP64
7
I2C-bus serial data input/output
8
I2C-bus serial clock input
9
cascade synchronization output
10
external clock input/output
11
ground
12
test pin
13
I2C-bus slave address input (bit 0)
16
oscillator input
20
supply voltage
21 to 24
LCD bias voltage inputs
25
LCD supply voltage
14, 15,
17 to 19,
26 to 28, 36,
47
not connected
29 to 35, 37 LCD column driver outputs
38 to 46,
48 to 62
LCD row and column driver outputs
63, 64, 1 to 6 LCD row driver outputs
[1] The TEST pin must be connected to VSS.
PCF8578_6
Product data sheet
Rev. 06 — 5 May 2009
© NXP B.V. 2009. All rights reserved.
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