PCF8577CT Philips Semiconductors, PCF8577CT Datasheet - Page 18

• Manufacturer Part Number: PCF8577CT
• Description: LCD direct/duplex driver with I2C-bus interface
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1998 Jul 30
LCD direct/duplex driver with
I
MODE bit must always be set to logic 0 (direct drive).
BANK switching is permitted.
BP1 must always be connected to V
2
C-bus interface
Fig.17 Use of PCF8577C as a 32-bit output expander in I
SS
and A0/OSC must be connected to either V
V DD
SDA
V SS
SCL
MGA734
V DD
SDA
BP2
V SS
SCL
BP1
A0
S2
S1
A1
OSC
A2
32 output lines
18
PCF8577C
device subaddress
A2, A1, A0 = 000
DD
or V
S31
S32
SS
(no LCD modulation).
expansion
2
C-bus application.
Product specification
PCF8577C