pcf8576d NXP Semiconductors, pcf8576d Datasheet - Page 4

• Manufacturer Part Number: pcf8576d
• Description: Universal Lcd Driver For Low Multiplex Rates
• Manufacturer: NXP Semiconductors

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V LCD
SYNC
V SS
CLK
OSC
V DD
SDA
SCL
21
20
13
12
15
14
11
10
CLOCK SELECT
OSCILLATOR
AND TIMING
FILTERS
INPUT
GENERATOR
LCD BIAS
POWER-ON
TIMEBASE
CONTROLLER
BLINKER
RESET
Fig.1 Block diagram for version PCF8576DH.
I
2
C-BUS
SA0
SELECTOR
VOLTAGE
19
LCD
BP0
PCF8576DH
COMMAND
DECODER
CONTROLLER
25
BACKPLANE
OUTPUTS
DISPLAY
BP2 BP1 BP3
26
1, 8, 9, 22 to 24, 33, 48
27
28
n.c.
WRITE DATA
CONTROL
DISPLAY SEGMENT OUTPUTS
OUTPUT BANK SELECT
AND BLINK CONTROL
DISPLAY REGISTER
40
S0 to S39
DISPLAY
RAM
4 BIT
29 to 32, 34 to 47,
49 to 64, 2 to 7
DATA POINTER AND
AUTO INCREMENT
SUB-ADDRESS
A0
COUNTER
16
A1
17
A2
18
MDB075