M37160MF datasheet(49/131 Pages) RENESAS

49 / 131 page

Rev.1.01

2003.11.13

page 49 of 130

M37160M8/MA/MF-XXXSP/FP,M37160EFSP/FP

Fig. 8.8.2 A-D Control Register 1

b7 b6 b5 b4 b3 b2 b1 b0

A-D control register 1 (AD1) [Address 00EC16]

After reset RW

A-D Control Register 1

Analog input pin selection

bits

(ADC10 to ADC12)

Name

Functions

b2 b1 b0

0 : AD1

1 : AD2

0 : AD3

1 : AD4

0 : AD5

1 : AD6

AD7

AD8

0 :

1 :

Storage bit of comparison

result (ADC14)

0: Input voltage < reference voltage

1: Input voltage > reference voltage

Indeterminate

This bit is a write disable bit.

When this bit is read out, the value is “0.”

R —

Nothing is assigned. These bits are write disable bits.

When these bits are read out, the values are “0.”

R —

Fig. 8.8.3 A-D Control Register 2

b7 b6 b5 b4 b3 b2 b1 b0

A-D control register 2 (AD2) [Address 00ED 16]

After reset

R W

A-D Control Register 2

Name

Functions

D-A converter set bits

(ADC20 to ADC25)

Nothing is assigned. This bit is a write disable bit.

When these bits are reed out, the values are “ 0.”

0000

111

1111

111

R —

: 3/256Vcc

: 5/256Vcc

: 251/256Vcc

: 253/256Vcc

: 255/256Vcc

: 1/256Vcc

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