PCF8578T/1,112 NXP Semiconductors, PCF8578T/1,112 Datasheet - Page 3

• Manufacturer Part Number: PCF8578T/1,112
• Description: IC LCD DRIVER DOT MATRIX 56-VSOP
• Manufacturer: NXP Semiconductors

Specifications of PCF8578T/1,112

• Package / Case: 56-VSOP
• Display Type: LCD
• Configuration: Dot Matrix
• Interface: I²C
• Voltage - Supply: 2.5 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Maximum Clock Frequency: 3.3 KHz
• Operating Supply Voltage: 2.5 V to 6 V
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 150 C
• Maximum Supply Current: 50 mA
• Minimum Operating Temperature: - 65 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Digits Or Characters: -
• Lead Free Status / Rohs Status: Details
• Other names: 568-3561-5; 935278868112; PCF8578TD

NXP Semiconductors
6. Block diagram
PCF8578_6
Product data sheet
TEST
Fig 1.
V
SDA
V
SCL
LCD
DD
V
V
V
V
2
3
4
5
(1) Operates at LCD voltage levels, all other blocks operate at logic levels.
Block diagram
POWER-ON
RESET
n.c.
FILTERS
INPUT
n.c.
SUBADDRESS
COUNTER
CONTROLLER
CONTROLLER
I
DISPLAY
2
C-BUS
MODE
SA0
AND SENSING
Y DECODER
AMPLIFIERS
Rev. 06 — 5 May 2009
RAM DATA POINTER
Y
LCD row/column driver for dot matrix graphic displays
COMMAND
DECODER
ROW/COLUMN
R31/C31 - R8/C8
DISPLAY RAM
CONTROLLER
X DECODER
32
DRIVERS
C39 - C32
OUTPUT
R7 - R0
X
40-BIT
(1)
DECODER
DISPLAY
PCF8578
GENERATOR
OSCILLATOR
TIMING
PCF8578
© NXP B.V. 2009. All rights reserved.
msa842
R ext(OSC)
SYNC
CLK
3 of 46
V
OSC
SS