PC8534A-1 Ver la hoja de datos (PDF) - NXP Semiconductors.
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PC8534A-1 Datasheet PDF : 47 Pages
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NXP Semiconductors
5. Block diagram
PCF8534A
Universal LCD driver for low multiplex rates
VLCD
BP0 BP1 BP2 BP3
BACKPLANE
OUTPUTS
S0 to S59
60
DISPLAY SEGMENT OUTPUTS
LCD
VOLTAGE
SELECTOR
LCD BIAS
GENERATOR
VSS
CLK
SYNC
CLOCK SELECT
AND TIMING
BLINKER
TIMEBASE
OSC
OSCILLATOR
POWER-ON
RESET
SCL
SDA
INPUT
FILTERS
I2C-BUS
CONTROLLER
SA0
Fig 1. Block diagram of PCF8534A
DISPLAY
CONTROL
DISPLAY REGISTER
OUTPUT BANK SELECT
AND BLINK CONTROL
PCF8534A
DISPLAY
RAM
COMMAND
DECODE
WRITE DATA
CONTROL
VDD
DATA POINTER AND
AUTO INCREMENT
SUBADDRESS
COUNTER
A0 A1 A2
001aah614
PCF8534A_5
Product data sheet
Rev. 05 — 6 August 2009
© NXP B.V. 2009. All rights reserved.
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