PCA8534AH-Q900 NXP [NXP Semiconductors], PCA8534AH-Q900 Datasheet - Page 3

• Manufacturer Part Number: PCA8534AH-Q900
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
5. Block diagram
PCA8534A_2
Product data sheet
Fig 1.
SYNC
V
OSC
CLK
SDA
V
LCD
SCL
SS
Block diagram of PCA8534A
CLOCK SELECT
AND TIMING
OSCILLATOR
FILTERS
INPUT
GENERATOR
LCD BIAS
POWER-ON
TIMEBASE
CONTROLLER
BLINKER
RESET
I
2
C-BUS
SA0
SELECTOR
VOLTAGE
All information provided in this document is subject to legal disclaimers.
LCD
Rev. 02 — 1 June 2010
BP0 BP1 BP2 BP3
CONTROL
COMMAND
DISPLAY
DECODE
BACKPLANE
PCA8534A
OUTPUTS
Universal LCD driver for low multiplex rates
V
DD
WRITE DATA
CONTROL
DISPLAY SEGMENT OUTPUTS
OUTPUT BANK SELECT
AND BLINK CONTROL
DISPLAY REGISTER
DISPLAY
S0 to S59
RAM
60
PCA8534A
DATA POINTER AND
AUTO INCREMENT
SUBADDRESS
A0
COUNTER
© NXP B.V. 2010. All rights reserved.
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A2
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