COMPARATOR

S3F80JB

 

 

 

SCAN

 

 

signal

 

P2.4/CIN0

 

+

P2.5/CIN1

MUX

MUX

P2.6/CIN2

 

 

P2.7/CIN3

 

-

 

 

CMPSEL_0

Ref

 

(External)

 

CMPSEL_1

 

 

MUX

CMPSEL_2

 

CMPSEL_3

Ref (Internal)

 

VDD

1/2R

MUX

 

R

 

R

 

1/2R

 

Comparison

Result Register

(CMPREG)

CMOD.7

CMOD.6

CMOD.5

Not used

CMOD.3

CMOD.2

CMOD.1

CMOD.0

Internal BUS

4

8

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.

Figure 14-1. Comparator Block Diagram for The S3F80JB

14-2

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Image 276
Samsung manual Comparator Block Diagram for The S3F80JB