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PCF8562 Datasheet(PDF) 3 Page - NXP Semiconductors

Part # PCF8562
Description  Universal LCD driver for low multiplex rates
PDF  36 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8562 Datasheet(HTML) 3 Page - NXP Semiconductors

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PCF8562_4
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 18 March 2009
3 of 36
NXP Semiconductors
PCF8562
Universal LCD driver for low multiplex rates
5.
Block diagram
Fig 1.
Block diagram of PCF8562
001aac262
LCD
VOLTAGE
SELECTOR
CLOCK SELECT
AND TIMING
BLINKER
TIMEBASE
OSCILLATOR
INPUT
FILTERS
I2C-BUS
CONTROLLER
POWER-ON
RESET
CLK
SYNC
OSC
SCL
SDA
SA0
BACKPLANE
OUTPUTS
DISPLAY
CONTROLLER
BP0
22
21
20
13
12
15
VDD
14
11
10
19
16
17
18
23
24
25
BP2 BP1 BP3
DISPLAY SEGMENT OUTPUTS
DISPLAY REGISTER
OUTPUT BANK SELECT
AND BLINK CONTROL
26 to 48,
1 to 9
S0 to S31
A0
A1
A2
PCF8562
LCD BIAS
GENERATOR
VSS
VLCD
COMMAND
DECODER
WRITE DATA
CONTROL
DISPLAY
RAM
40
× 4-BIT
DATA POINTER AND
AUTO INCREMENT
SUBADDRESS
COUNTER



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