2 d/a converter configuration – NEC PD78058FY(A) User Manual

Page 280

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CHAPTER 15 D/A CONVERTER

15.2 D/A Converter Configuration

The D/A converter consists of the following hardware.

Table 15-1. D/A Converter Configuration

Item

Configuration

D/A conversion value set register 0 (DACS0)

D/A conversion value set register 1 (DACS1)

Control register

D/A converter mode register (DAM)

Figure 15-1. D/A Converter Block Diagram

Register

Selector

D/A Conversion Value

Set Register 1

(DACS1)

Internal Bus

Internal Bus

2R

2R

2R

2R

R

R

2R

2R

2R

2R

R

R

DAM5

ANO1/P131

ANO0/P130

D/A Converter Mode Register

DACS1 Write

INTTM2

DACS0 Write

INTTM1

AV

REF1

AV

SS

D/A Conversion Value

Set Register 0

(DACS0)

DAM4 DACE1 DACE0

Selector

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