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PCF8562(2008) 데이터 시트보기 (PDF) - NXP Semiconductors.
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PCF8562
(Rev.:2008)
Universal LCD driver for low multiplex rates
NXP Semiconductors.
PCF8562 Datasheet PDF : 36 Pages
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NXP Semiconductors
5. Block diagram
PCF8562
Universal LCD driver for low multiplex rates
V
LCD
21
BP0 BP2 BP1 BP3
22 23 24 25
BACKPLANE
OUTPUTS
S0 to S31
26 to 48,
1 to 9
DISPLAY SEGMENT OUTPUTS
LCD
VOLTAGE
SELECTOR
V
SS
20
LCD BIAS
GENERATOR
CLK
SYNC
13
CLOCK SELECT
12
AND TIMING
BLINKER
TIMEBASE
OSC
V
DD
SCL
SDA
15
OSCILLATOR
14
11
INPUT
10
FILTERS
POWER-ON
RESET
I
2
C-BUS
CONTROLLER
19
SA0
Fig 1. Block diagram of PCF8562
DISPLAY
CONTROLLER
DISPLAY REGISTER
OUTPUT BANK SELECT
AND BLINK CONTROL
PCF8562
DISPLAY
RAM
40
×
4-BIT
COMMAND
DECODER
WRITE DATA
CONTROL
DATA POINTER AND
AUTO INCREMENT
SUBADDRESS
COUNTER
16 17 18
A0 A1 A2
001aac262
PCF8562_3
Product data sheet
Rev. 3 — 2 December 2008
© NXP B.V. 2008. All rights reserved.
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