PCF2105 データシートの表示（PDF） - Philips Electronics
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PCF2105 Datasheet PDF : 48 Pages
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Philips Semiconductors
LCD controller/driver
Product specification
PCF2105
5 BLOCK DIAGRAM
handbook, full pagewidth
V LCD
111
BIAS
VOLTAGE
GENERATOR 6
C60 to C1
21 to 80
60
COLUMN DRIVERS
60
VDD 2
VSS 4
T1 101
DATA LATCHES
60
SHIFT REGISTER
5 x 12-bit
5
CURSOR + DATA CONTROL
5
CHARACTER
GENERATOR
RAM
(CGRAM)
16
CHARACTERS
CHARACTER
GENERATOR
ROM
(CGROM)
240
CHARACTERS
8
DISPLAY DATA RAM
(DDRAM) 80 CHARACTERS
7
ADDRESS
COUNTER (AC)
8
DATA
REGISTER (DR)
BUSY
FLAG
7
INSTRUCTION
DECODER
8
INSTRUCTION
REGISTER (IR)
8
7
8
R32 to R1
(1)
32
ROW DRIVERS
32
SHIFT REGISTER
32-BIT
PCF2105
OSCILLATOR
1
OSC
TIMING
GENERATOR
7 DISPLAY
ADDRESS
COUNTER
POWER - ON
RESET
8
102 to 109
DB7 to DB0
I/O BUFFER
98
E
100
R/W
99
RS
97
SCL
110
3
SDA
SA0
MGK846
(1) Pads 5 to 8 and 9 to 12 correspond with symbols R8 to R5 and R32 to R29.
Pads 13 to 20 and 81 to 88 correspond with symbols R24 to R17 and R9 to R16.
Pads 89 to 92 and 93 to 96 correspond with symbols R25 to R28 and R1 to R4.
Fig.1 Block diagram.
1998 Jul 30
4
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