PCF8579T/1 NXP Semiconductors, PCF8579T/1 Datasheet - Page 3

• Manufacturer Part Number: PCF8579T/1
• Description: IC, LCD DRIVER, COLUMN, 56VSOP
• Manufacturer: NXP Semiconductors

Specifications of PCF8579T/1

• Supply Current: 9µA
• Meter Display Type: LCD
• Supply Voltage Range: 2.5V To 6V
• Driver Case Style: VSOP
• No. Of Pins: 56
• Operating Temperature Range: -40°C To +85°C
• Base Number: 8579
• Interface: RoHS Compliant
• Interface Type: I2C
• Rohs Compliant: Yes

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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