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PCF8534AU/DA/1 Folha de dados(PDF) 3 Page - NXP Semiconductors

Nome de Peças PCF8534AU/DA/1
Descrição Electrónicos  Universal LCD driver for low multiplex rates
PDF  47 Pages
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Fabricante Electrônico  NXP [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8534AU/DA/1 Folha de dados(HTML) 3 Page - NXP Semiconductors

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



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