PCA85133 NXP [NXP Semiconductors], PCA85133 Datasheet - Page 3

• Manufacturer Part Number: PCA85133
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
5. Block diagram
PCA85133_1
Product data sheet
Fig 1.
SYNC
V
CLK
OSC
SDA
SCL
V
LCD
FF
SS
Block diagram of PCA85133
CLOCK SELECT
AND TIMING
OSCILLATOR
FILTERS
INPUT
GENERATOR
LCD BIAS
POWER-ON
TIMEBASE
SA0
CONTROLLER
BLINKER
RESET
I
2
C-BUS
SELECTOR
VOLTAGE
LCD
SDAACK
Rev. 1 — 23 October 2009
BP0 BP1 BP2 BP3
CONTROL
COMMAND
DISPLAY
DECODE
BACKPLANE
PCA85133
OUTPUTS
Universal LCD driver for low multiplex rates
V
DD
WRITE DATA
CONTROL
DISPLAY SEGMENT OUTPUTS
OUTPUT BANK SELECT
AND BLINK CONTROL
DISPLAY REGISTER
S0 to S79
DISPLAY
RAM
80
PCA85133
DATA POINTER AND
AUTO INCREMENT
SUBADDRESS
A0
COUNTER
© NXP B.V. 2009. All rights reserved.
A1
A2
013aaa044
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