M38044F2HKP datasheet(361/387 Pages) RENESAS

361 / 387 page

3-71

REJ09B0212-0100Z

Rev.1.00

Jan 14, 2005

3804 Group (Spec.H)

APPENDIX

3.5 Control registers

Fig. 3.5.33 Structure of AD conversion register 1

Fig. 3.5.35 Structure of AD conversion register 2

AD conversion register 1

b7 b6 b5 b4 b3 b2 b1 b0

AD conversion register 1

(AD1: address 003516)

Undefined

At reset R W

8-bit read

10-bit read

b8 b7 b6 b5 b4 b3 b2

b7 b6 b5 b4 b3 b2 b1 b0

Functions

Undefined

This is A/D conversion result stored bits. This is

read exclusive register.

DAi conversion register

b7 b6 b5 b4 b3 b2 b1 b0

DAi conversion register (i = 1, 2)

(DAi: addresses 003616, 003716)

At reset R W

Functions

This is D/A output value stored bits. This is write

exclusive register.

Fig. 3.5.34 Structure of DAi conversion register (i = 1, 2)

AD conversion register 2

b7 b6 b5 b4 b3 b2 b1 b0

AD conversion register 2

(AD2: address 003816)

At reset R W

Functions

Undefined

Nothing is arranged for these bits. These are

write disabled bits. When these bits are read out,

the contents are “0”.

Conversion mode

selection bit

0: 10-bit A/D mode

1: 8-bit A/D mode

10-bit read

b9 b8

This is A/D conversion result stored bits. This is

read exclusive register.

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