PCF8578T/1,112 NXP Semiconductors, PCF8578T/1,112 Datasheet - Page 4

• 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

Philips Semiconductors
5
2003 Apr 14
LCD row/column driver for
dot matrix graphic displays
(1) Operates at LCD voltage levels, all other blocks operate at logic levels.
The pin numbers given in parenthesis refer to the LQFP64 package.
BLOCK DIAGRAM
V
TEST
SDA
V DD
LCD
SCL
V 2
V 3
V 4
V 5
9 (20)
10 (21)
11 (22)
12 (23)
13 (24)
14 (25)
6 (12)
2 (8)
1 (7)
POWER-ON
15, 16
RESET
n.c.
FILTERS
INPUT
(14, 15, 17 to 19
26 to 28 36, 47)
n.c.
SUBADDRESS
COUNTER
CONTROLLER
CONTROLLER
I C-BUS
DISPLAY
2
MODE
SA0
AND SENSING
Y DECODER
AMPLIFIERS
7 (13)
Fig.1 Block diagram.
RAM DATA POINTER
Y
4
COMMAND
DECODER
ROW/COLUMN
R31/C31 - R8/C8
DISPLAY RAM
CONTROLLER
X DECODER
DRIVERS
32 x 40-BIT
C39 - C32
OUTPUT
R7 - R0
X
17 - 56
(29 to 35, 37, 38 to 46
48 to 62, 63, 64, 1 to 6)
(1)
DECODER
DISPLAY
PCF8578
GENERATOR
OSCILLATOR
TIMING
(10) 4
(16) 8
(11) 5
MSA842
Product specification
(9) 3
PCF8578
R OSC
SYNC
CLK
V SS
OSC