pcf8534ah-1 NXP Semiconductors, pcf8534ah-1 Datasheet - Page 4

• Manufacturer Part Number: pcf8534ah-1
• Description: Universal Lcd Driver For Low Multiplex Rates
• Manufacturer: NXP Semiconductors

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V LCD
SYNC
V SS
OSC
CLK
SDA
SCL
CLOCK SELECT
AND TIMING
OSCILLATOR
FILTERS
INPUT
GENERATOR
LCD BIAS
POWER-ON
TIMEBASE
SA0
CONTROLLER
BLINKER
RESET
I
2
C-BUS
SELECTOR
VOLTAGE
SDAACK
LCD
Fig.1 Block diagram.
BP0 BP1 BP2 BP3
CONTROL
COMMAND
DISPLAY
DECODE
BACKPLANE
PCF8533
OUTPUTS
V DD
WRITE DATA
CONTROL
DISPLAY SEGMENT OUTPUTS
OUTPUT BANK SELECT
AND BLINK CONTROL
DISPLAY REGISTER
S0 to S79
DISPLAY
RAM
80
DATA POINTER AND
AUTO INCREMENT
SUBADDRESS
A0
COUNTER
A1
A2
MGL743