PCF2119AU-2 Просмотр технического описания (PDF) - Philips Electronics
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производитель
PCF2119AU-2 Datasheet PDF : 68 Pages
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Philips Semiconductors
LCD controllers/drivers
Product specification
PCF2119X
5 BLOCK DIAGRAM
handbook, full pagewidth
C1 to C80
R17DUP
R1 to R18
VLCD1
44 to 49
BIAS
VOLTAGE
GENERATOR
60 to 99,
101 to 140
80
COLUMN DRIVERS
80
VLCD2
VLCDSENSE
37 to 43
VLCD
36
GENERATOR
DATA LATCHES
80
SHIFT REGISTER 5 × 12 BIT
5
CURSOR AND DATA CONTROL
VDD1
VDD2
VDD3
1 to 6
7 to 14
15 to 18
VSS1
VSS2
22 to 29
30 to 35
5
CHARACTER
GENERATOR
RAM (128 × 5)
(CGRAM)
16 CHARACTERS
8
CHARACTER
GENERATOR
ROM
(CGROM)
240 CHARACTERS
100
51 to 59,
141 to 149
18
ROW DRIVERS
18
SHIFT REGISTER 18-BIT
OSCILLATOR
168 OSC
TIMING
GENERATOR
T1 20
T2 21
T3 153
7
7
DISPLAY DATA RAM
(DDRAM)
80 CHARACTERS/BYTES
7
ADDRESS COUNTER
(AC)
7
INSTRUCTION
DECODER
7
DISPLAY
ADDRESS
COUNTER
155
PD
163
DB3/SA0
DATA
REGISTER
(DR)
8
BUSY
FLAG
8
INSTRUCTION
REGISTER
8
I/O BUFFER
PCF2119x
154
POR
161 to 162 164 to 167 19
151, 156,
158 159 152 157
DB1 to DB2 DB4 to DB7
E R/W RS SCL SDA
MGW571
Fig.1 Block diagram.
2003 Jan 30
5
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