PCF2114AU/10 PHILIPS [NXP Semiconductors], PCF2114AU/10 Datasheet - Page 4

• Manufacturer Part Number: PCF2114AU/10
• Description: LCD controller/drivers
• Manufacturer: PHILIPS [NXP Semiconductors]

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Philips Semiconductors
5
1997 Apr 07
LCD controller/drivers
BLOCK DIAGRAM
V LCD
V DD
V SS
V 0
T1
93, 95, 97
92
104, 106
109, 112
111
GENERATOR
GENERATOR
VOLTAGE
V LCD
105, 103,
BIAS
98, 96
DB0 to DB3
REGISTER (DR)
Fig.1 Block diagram (pin numbers for LQFP128 package).
DATA
4
6
8
8
94, 91,
89, 87
DB4 to DB7 E
CHARACTERS
GENERATOR
CHARACTER
(CGRAM)
CURSOR + DATA CONTROL
(DDRAM) 80 CHARACTERS
RAM
4
16
7
DISPLAY DATA RAM
COLUMN DRIVERS
SHIFT REGISTER
BUSY
FLAG
DATA LATCHES
108
C1 to C60
5 x 12-bit
60
R/W
5
5
8
68, 65 to 38
35 to 5
60
60
110
COUNTER (AC)
CHARACTERS
INSTRUCTION
REGISTER (IR)
GENERATOR
INSTRUCTION
CHARACTER
I/O BUFFER
4
DECODER
(CGROM)
ADDRESS
ROM
240
RS
7
7
8
8
113
SCL
88
SHIFT REGISTER
7
SDA
ROW DRIVERS
PCF2116
90
R1 to R32
OSCILLATOR
GENERATOR
POWER - ON
32-BIT
COUNTER
ADDRESS
DISPLAY
TIMING
RESET
84 to 77, 115 to 122
76 to 69, 123 to 128,
1 and 4
32
32
SA0
107
PCF2116 family
MGA797 - 1
Product specification
102
OSC