pcf8814 NXP Semiconductors, pcf8814 Datasheet - Page 4

• Manufacturer Part Number: pcf8814
• Description: Pcf8814 65 X 96 Pixels Matrix Lcd Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
5
2003 Mar 13
handbook, full pagewidth
65
BLOCK DIAGRAM
96 pixels matrix LCD driver
V LCDSENSE
V OTPPROG
V LCDOUT
V LCDIN
TEST
V SS1
V SS2
T1
T2
T3
T4
T5
T6
V DD1
HIGH-VOLTAGE
FOUR-STAGE
GENERATOR
GENERATOR
VOLTAGE
BIAS
V DD2
V DD3
PARALLEL / SERIAL /
COMMAND
DECODER
Fig.1 Block diagram.
ADDRESS COUNTER
DISPLAY DATA RAM
COLUMN DRIVERS
PROCESSING
65
C0 to C95
I/O BUFFER
DATA
4
96 bits
96
I
2
C-BUS INTERFACE
PCF8814
ROW DRIVERS
ORTHOGONAL
GENERATOR
OSCILLATOR
GENERATOR
FUNCTIONS
ADDRESS
COUNTER
R0 to R64
DISPLAY
TIMING
RESET
65
MBL539
Objective specification
PCF8814
RES
OSC