Datasheet

9-9
Functional Block Diagrams
ICM7211A
ICM7211AM
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
BLACKPLANE
DRIVER
ENABLE
OSCILLATOR
19kHz
FREE-RUNNING
÷128
ENABLE
DIRECTOR
DATA
INPUTS
OSCILLATOR
DIGIT
SELECT
INPUTS
INPUT
BP INPUT/OUTPUT
D4
SEGMENT OUTPUTS
D3
SEGMENT OUTPUTS
D2
SEGMENT OUTPUTS
D1
SEGMENT OUTPUTS
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
7 WIDE DRIVER
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
D4
SEGMENT OUTPUTS
D3
SEGMENT OUTPUTS
D2
SEGMENT OUTPUTS
D1
SEGMENT OUTPUTS
2-BIT
DIGIT
ADRESS
INPUT
CHIP
CHIP
DATA
INPUTS
OSCILLATOR
INPUT
2 TO 4
DECODER
2-BIT
LATCH
ENABLE
4-BIT
LATCH
ENABLE
ONE
SHOT
SELECT 1
SELECT 2
BLACKPLANE
DRIVER
ENABLE
OSCILLATOR
19kHz
FREE-RUNNING
÷128
ENABLE
DIRECTOR
BP INPUT/OUTPUT
ICM7211, ICM7212