pcf8576cu/2 NXP Semiconductors, pcf8576cu/2 Datasheet - Page 4

• Manufacturer Part Number: pcf8576cu/2
• Description: Universal Lcd Driver For Low Multiplex Rates
• Manufacturer: NXP 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
BP0
DISPLAY
PCF8576C
13
BACKPLANE
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
COUNTER
ADDRESS
BANK
7
SUB-
A1
8
A2
MLD332
9