ICM7232 Intersil Corporation, ICM7232 Datasheet - Page 4

• Manufacturer Part Number: ICM7232
• Description: Numeric/alphanumeric Triplexed Lcd Display Drivers
• Manufacturer: Intersil Corporation

Functional Block Diagrams
NOTE: See Figures 13 and 14 for display segment connections.
SEGMENT
LATCHES
DRIVERS
OUTPUT
3 WIDE
9 WIDE
LINE
D10
AN1
AN2
9
9
DECODER
BD0
D9
DATA
9
BD1
ON RISING EDGE OF DATA CLOCK
BD2
SHIFTS RIGHT TO LEFT
D8
9
SHIFT REGISTER
BD3
D7
9
(Continued)
A0
D6
9
A1
ICM7231, ICM7232
ADDRESS
DECODER
DIGIT
D5
9
A2
ICM7232
9-22
A3
D4
EN
9
INPUT
DATA
CLOCK
DATA
D3
CLOCK
INPUT
DATA
9
CONTOL LOGIC
SERIAL INPUT
WRITE
D2
INPUT
9
ACCEPTED
OUTPUT
DATA
D1
9
GENERATOR
DISPLAY
TIMING
V
V
V
V
COMMON
PIN 2 (INPUT)
DRIVERS
DD
H
L
DISP
LINE
ON CHIP
DISPLAY
VOLTAGE
LEVEL
GENERATOR
BP1
BP2
BP3