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PCF8579 Datasheet(PDF) 3 Page - NXP Semiconductors

Part # PCF8579
Description  LCD column driver for dot matrix graphic displays
PDF  41 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8579 Datasheet(HTML) 3 Page - NXP Semiconductors

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PCF8579_5
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 05 — 11 May 2009
3 of 41
NXP Semiconductors
PCF8579
LCD column driver for dot matrix graphic displays
6.
Block diagram
(1) Operates at LCD voltage levels, all other blocks operate at logic levels.
Fig 1.
Block diagram
C39 - C0
msa919
VDD
PCF8579
VLCD
V3
V4
OUTPUT
CONTROLLER
COLUMN(1)
DRIVERS
Y DECODER
AND SENSING
AMPLIFIERS
32
× 40 BIT
DISPLAY RAM
X DECODER
DISPLAY
DECODER
RAM DATA POINTER
SUBADDRESS
COUNTER
TIMING
GENERATOR
I2C-BUS
CONTROLLER
INPUT
FILTERS
COMMAND
DECODER
POWER-ON
RESET
TEST
SCL
SDA
n.c.
SA0
CLK
SYNC
YX
A3
A2
A1
A0
VSS



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