PCF8578H NXP Semiconductors, PCF8578H Datasheet - Page 4

• Manufacturer Part Number: PCF8578H
• Manufacturer: NXP Semiconductors

Specifications of PCF8578H

• Operating Supply Voltage (typ): 3.3/5V
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Package Type: LQFP
• Pin Count: 64
• Mounting: Surface Mount
• Power Dissipation: 400mW
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 6V
• Lead Free Status / Rohs Status: Compliant

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