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Samsung S3F80JB User Manual

Page 276

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COMPARATOR

S3F80JB

14-2

MUX

V

DD

Comparison

Result Register

(CMPREG)

MUX

MUX

MUX

CMPSEL_3

Ref (Internal)

SCAN

signal

Ref

(External)

R

R

+

-

1/2R

Internal BUS

NOTES:
1. INT occurs only for digital input selecting. If an analog input, any INT doesn't occur.
2. The comparison results of CIN0,CIN1,CIN2 and CIN3 are respectively stored in
CMPREG0,CMPREG1,CMPREG2 and CMPREG3.

CMOD.7

CMOD.5

Not used

CMOD.3

CMOD.2

CMOD.1

CMOD.0

CMOD.6

CMPSEL_0
CMPSEL_1
CMPSEL_2

P2.4/CIN0
P2.5/CIN1
P2.6/CIN2
P2.7/CIN3

8

4

1/2R

Figure 14-1. Comparator Block Diagram for The S3F80JB