M38K09RFS datasheet(200/328 Pages) RENESAS

200 / 328 page

2.7 A/D converter

Rev.2.00

Oct 05, 2006

page 71 of 111

38K0 Group

REJ09B0337-0200

APPLICATION

2.7 A/D converter

This paragraph explains the registers setting method and the notes related to the A/D converter.

2.7.1 Memory map

Fig. 2.7.1 Memory map of registers related to A/D converter

2.7.2 Related registers

Fig. 2.7.2 Structure of AD control register

003616

003716

003816

AD control register (ADCON)

AD conversion register 1 (AD1)

AD conversion register 2 (AD2)

003F16

Interrupt control register 2 (ICON2)

003D16

Interrupt request register 2 (IREQ2)

b7 b6 b5 b4 b3 b2 b1 b0

Function

At reset

Name

AD control register (ADCON) [Address : 3616 ]

AD control register

0 0 0 : P10/DQ0/AN0

0 0 1 : P11/DQ1/AN1

0 1 0 : P12/DQ2/AN2

0 1 1 : P13/DQ3/AN3

1 0 0 : P14/DQ4/AN4

1 0 1 : P15/DQ5/AN5

1 1 0 : P16/DQ6/AN6

1 1 1 : P17/DQ7/AN7

Analog input pin selection bits b2 b1 b0

AD conversion completion bit

0 : Conversion in progress

1 : Conversion completed

Nothing is arranged for these bits. These are write disabled bits.

When these bits are read out, the contents are indefinite.

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