pcf8535 NXP Semiconductors, pcf8535 Datasheet - Page 8

• Manufacturer Part Number: pcf8535
• Description: 65 X 133 Pixel Matrix Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
7
The PCF8535 is a low power LCD driver designed to
interface with microprocessors or microcontrollers and a
wide variety of LCDs.
The host microprocessor or microcontroller and the
PCF8535 are both connected to the I
SCL lines must be connected to the positive power supply
2001 Nov 07
handbook, full pagewidth
65
FUNCTIONAL DESCRIPTION
133 pixel matrix driver
V DD(I2C)
V DD
SA1
RES
SDA
SCL
V SS
SA0
R pu
R pu
2
C-bus. The SDA and
MICROPROCESSOR/
MICROCONTROLLER
Fig.2 Typical system configuration.
HOST
8
via pull-up resistors. The internal oscillator requires no
external components. The appropriate intermediate
biasing voltages for the multiplexed LCD waveforms are
generated on-chip. The only other connections required to
complete the system are to the power supplies
(V
decoupling V
DD
PCF8535
, V
SS
and V
V LCD
LCD
LCD
and V
133 column drivers
) and suitable capacitors for
65 row drivers
DD
.
Product specification
LCD PANEL
PCF8535
MGS670