pcf8576d NXP Semiconductors, pcf8576d Datasheet - Page 5

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

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SYNC
V
V
CLK
OSC
V
SDA
LCD
SCL
DD
SS
55
54
47
46
49
48
45
44
CLOCK SELECT
OSCILLATOR
AND TIMING
FILTERS
INPUT
GENERATOR
LCD BIAS
POWER-ON
TIMEBASE
CONTROLLER
BLINKER
Fig.2 Block diagram for version PCF8576DT.
RESET
I
2
C-BUS
SA0
SELECTOR
VOLTAGE
53
LCD
BP0
PCF8576DT
COMMAND
DECODER
CONTROLLER
56
BACKPLANE
OUTPUTS
DISPLAY
BP2 BP1 BP3
1
2
3
WRITE DATA
CONTROL
DISPLAY SEGMENT OUTPUTS
OUTPUT BANK SELECT
AND BLINK CONTROL
DISPLAY REGISTER
40
DISPLAY
S0 to S39
RAM
4 BIT
4 to 43
DATA POINTER AND
AUTO INCREMENT
SUB-ADDRESS
A0
COUNTER
50
A1
51
A2
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52