M7232 查看數據表（PDF） - Intersil
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M7232 Datasheet PDF : 16 Pages
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ICM7231, ICM7232
Functional Block Diagrams (Continued)
ICM7232
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
SEGMENT
LINE
DRIVERS
3 WIDE
OUTPUT
LATCHES
9 WIDE
9
9
9
9
9
9
9
9
9
9
9
DATA
DECODER
AN1 AN2 BD0 BD1 BD2 BD3
DIGIT
ADDRESS
EN
DECODER
SERIAL INPUT
CONTOL LOGIC
CLOCK
A0 A1 A2 A3
DATA
VDD
ON CHIP
VH DISPLAY
VOLTAGE
LEVEL
VL GENERATOR
VDISP
PIN 2 (INPUT)
BP1
COMMON
LINE
BP2
DRIVERS
BP3
DISPLAY
TIMING
GENERATOR
SHIFT REGISTER
SHIFTS RIGHT TO LEFT
ON RISING EDGE OF DATA CLOCK
DATA DATA WRITE DATA
INPUT CLOCK INPUT ACCEPTED
INPUT
OUTPUT
NOTE: See Figures 13 and 14 for display segment connections.
9-22
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