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PCF8578 Datasheet(PDF) 3 Page - NXP Semiconductors

Part # PCF8578
Description  LCD row/column driver for dot matrix graphic displays
PDF  46 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8578 Datasheet(HTML) 3 Page - NXP Semiconductors

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PCF8578_6
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 06 — 5 May 2009
3 of 46
NXP Semiconductors
PCF8578
LCD row/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
VSS
C39 - C32
R31/C31 - R8/C8
R7 - R0
msa842
PCF8578
OUTPUT
CONTROLLER
ROW/COLUMN(1)
DRIVERS
DISPLAY
MODE
CONTROLLER
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
OSCILLATOR
TEST
SCL
SDA
n.c.
n.c.
SA0
Rext(OSC)
OSC
CLK
SYNC
YX
VDD
V2
V3
V4
V5
VLCD



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