PCF2104NU/7 查看數據表（PDF） - Philips Electronics

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PCF2104NU/7

LCD controller/driver

Philips Electronics 

Philips Semiconductors

LCD controller/driver

Product specification

PCF2104x

5 BLOCK DIAGRAM

handbook, full pagewidth

V LCD

111

BIAS

VOLTAGE

GENERATOR 6

C1 to C60

80-21

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

R1 to R32

5-20

81-96

32

ROW DRIVERS

32

SHIFT REGISTER

32-BIT

PCF2104x

OSCILLATOR

1

OSC

TIMING

GENERATOR

7 DISPLAY

ADDRESS

COUNTER

POWER - ON

RESET

4

4

109-106

105-102

98

I/O BUFFER

100

99

97

DB0 to DB3 DB4 to DB7 E

R/W

RS

SCL

110

SDA

3

SA0

MGC627

1997 Dec 16

Fig.1 Block diagram.

4

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