PCF85134HL-1 NXP [NXP Semiconductors], PCF85134HL-1 Datasheet - Page 3

• Manufacturer Part Number: PCF85134HL-1
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
5. Block diagram
PCF85134_1
Product data sheet
Fig 1.
SYNC
V
OSC
CLK
SDA
V
LCD
SCL
SS
Block diagram of PCF85134
CLOCK SELECT
AND TIMING
OSCILLATOR
FILTERS
INPUT
GENERATOR
LCD BIAS
POWER-ON
TIMEBASE
CONTROLLER
BLINKER
RESET
I
2
C-BUS
SA0
SELECTOR
VOLTAGE
LCD
Rev. 01 — 17 December 2009
BP0 BP1 BP2 BP3
CONTROL
COMMAND
DISPLAY
DECODE
BACKPLANE
PCF85134
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
DATA POINTER AND
PCF85134
AUTO INCREMENT
SUBADDRESS
A0
COUNTER
© NXP B.V. 2009. All rights reserved.
A1
A2
013aaa204
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