PCF8579TD NXP Semiconductors, PCF8579TD Datasheet - Page 3

LCD Drivers LCD DRVR DOT MATRIX

PCF8579TD

Manufacturer Part Number
PCF8579TD
Description
LCD Drivers LCD DRVR DOT MATRIX
Manufacturer
NXP Semiconductors
Datasheet

Specifications of PCF8579TD

Maximum Clock Frequency
10 KHz
Operating Supply Voltage
2.5 V to 6 V
Maximum Power Dissipation
400 mW
Package / Case
VSO-56
Maximum Supply Current
20 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PCF8579T/1,112
NXP Semiconductors
6. Block diagram
PCF8579_5
Product data sheet
Fig 1.
V
TEST
SDA
V
V
LCD
SCL
SS
DD
V
V
(1) Operates at LCD voltage levels, all other blocks operate at logic levels.
A3
A2
A1
A0
3
4
Block diagram
POWER-ON
RESET
n.c.
FILTERS
INPUT
SUBADDRESS
COUNTER
CONTROLLER
I
2
C-BUS
SA0
AND SENSING
Y DECODER
AMPLIFIERS
Rev. 05 — 11 May 2009
RAM DATA POINTER
Y
COMMAND
LCD column driver for dot matrix graphic displays
DECODER
DISPLAY RAM
CONTROLLER
COLUMN
X DECODER
DRIVERS
32
OUTPUT
C39 - C0
X
40 BIT
(1)
DECODER
DISPLAY
PCF8579
GENERATOR
TIMING
PCF8579
© NXP B.V. 2009. All rights reserved.
msa919
SYNC
CLK
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