HD6433644R datasheet(367/549 Pages) RENESAS

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Section 12 A/D Converter

Rev. 6.00 Sep 12, 2006 page 347 of 526

REJ09B0326-0600

12.1.3

Pin Configuration

Table 12.1 shows the A/D converter pin configuration.

Table 12.1 Pin Configuration

Name

Abbrev.

I/O

Function

Analog power supply

AVCC

Input

Power supply and reference voltage of analog part

Analog ground

AVSS

Input

Ground and reference voltage of analog part

Analog input 0

AN0

Input

Analog input channel 0

Analog input 1

AN1

Input

Analog input channel 1

Analog input 2

AN2

Input

Analog input channel 2

Analog input 3

AN3

Input

Analog input channel 3

Analog input 4

AN4

Input

Analog input channel 4

Analog input 5

AN5

Input

Analog input channel 5

Analog input 6

AN6

Input

Analog input channel 6

Analog input 7

AN7

Input

Analog input channel 7

External trigger input

ADTRG

Input

External trigger input for starting A/D conversion

12.1.4

Table 12.2 shows the A/D converter register configuration.

Table 12.2 Register Configuration

Name

Abbrev.

R/W

Initial Value

Address

A/D mode register

AMR

R/W

H'30

H'FFC4

A/D start register

ADSR

R/W

H'7F

H'FFC6

A/D result register

ADRR

Undefined

H'FFC5

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