9-12

Functional Block Diagram

NOTES:

1. Function input and input B available on ICM7216A/B only.

2. Ext DP input and MEASUREMENT IN PROGRESS output available on ICM7216D only.

STORE AND

RESET LOGIC

REFERENCE

RANGE SELECT

DIGIT

DECODER

OSC

RANGE

CONTROL

DP

DECODER

SEGMENT

INPUT

INPUT

FN

MAIN

DRIVERS

COUNTER

LOGIC

LOGIC

FF

CONTROL

LOGIC

CONTROL

LOGIC

CONTROL

LOGIC

DATA LATCHES AND

OUTPUT MUX

MAIN

SELECT

CONTROL

LOGIC

LOGIC

DRIVER

LOGIC

EXT

OSC

INPUT

OSC

INPUT

OSC

OUTPUT

RESET

INPUT

INPUT A

FUNCTION

INPUT

(NOTE 1)

D

CL

EN

CL

OVERFLOW

STORE

100Hz

Q

HOLD

INPUT

INPUT B

(NOTE 1)

MEASUREMENT

IN PROGRESS

OUTPUT

(NOTE 2)

SEGMENT

OUTPUTS

EXT

DP

INPUT

(NOTE 2)

CONTROL

INPUT

RANGE

INPUT

DIGIT

OUTPUTS

(8)

(8)

38

8

5

6

47

8

6

4

444

4

4

44

ICM7216A, ICM7216B, ICM7216D