pcf8812 NXP Semiconductors, pcf8812 Datasheet - Page 4

• Manufacturer Part Number: pcf8812
• Description: 65 X 102 Pixels Matrix Lcd Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
5
2004 Feb 23
65
BLOCK DIAGRAM
VLCDSENSE
102 pixels matrix LCD driver
V
LCDOUT
V
LCDIN
V
V
SS1
SS2
T2
T3
T4
T5
T1
237
230 to 236
214 to 217,
221, 222
200 to 213
218
198
223
220
219
224 to 229
V
DD1
174 to 179
GENERATOR
GENERATOR
VOLTAGE
VOLTAGE
4 stages
HIGH
V
BIAS
SDIN
DD2
181 to 193
195
SCLK
V
199
DD3
180
Fig.1 Block diagram.
REGISTER
DATA
D/C
ADDRESS COUNTER
DISPLAY DATA RAM
COLUMN DRIVERS
196
COL0 to COL101
DATA LATCHES
65
(DDRAM)
4
102
I/O BUFFER
102 bits
SCE
37 to 138
197
PCF8812
16
17
SHIFT REGISTER
ROW0 to ROW64
ROW DRIVERS
OSCILLATOR
GENERATOR
n.c.
COUNTER
ADDRESS
DISPLAY
TIMING
RESET
157
65
2 to 15, 18 to 36,
139 to 156,
159 to 172
158
173
Product specification
194
PCF8812
1
mgt636
RES
OSC