PCF8576C Philips Semiconductors, PCF8576C Datasheet - Page 4

• Manufacturer Part Number: PCF8576C
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: Philips Semiconductors

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SYNC
V LCD
V DD
OSC
V SS
SDA
CLK
SCL
5
12
4
3
6
11
2
1
OSCILLATOR
FILTERS
TIMING
INPUT
GENERATOR
LCD BIAS
POWER-
RESET
BLINKER
ON
CONTROLLER
I C - BUS
2
SELECTOR
VOLTAGE
SA0
LCD
10
Fig.1 Block diagram; VSO56.
CONTROLLER
COMMAND
DECODER
DISPLAY
BP0
PCF8576C
BACKPLANE
13
OUTPUTS
BP2
14
BP1
15
BP3
16
SELECTOR
INPUT
BANK
DISPLAY SEGMENT OUTPUTS
SHIFT REGISTER
DISPLAY LATCH
40 x 4 BITS
S0 to S39
POINTER
DISPLAY
DATA
RAM
40
17 to 56
SELECTOR
A0
OUTPUT
ADDRESS
COUNTER
7
BANK
SUB-
A1
8
A2
MLD332
9