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1 a/d control register 1 (adc1), A/d control register 1 (adc1) – FUJITSU F2MC-8L F202RA User Manual

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CHAPTER 12 A/D CONVERTER

12.4.1

A/D Control Register 1 (ADC1)

A/D control register 1 (ADC1) is used to set the enabling and disabling functions of the
A/D converter, select an analog input, and check the status.

A/D Control Register 1 (ADC1)

Figure 12.4-2 A/D Control Register 1 (ADC1)

AD

0

1

RESV0

0

1

ADMV

0

1

ADI

0

1

ANS2

ANS1

ANS0

0

0

0

0

0

1

0

1

0

0

1

1

1

0

0

1

0

1

1

1

0

1

1

1

bit7

bit6

bit5

bit4

bit3

bit2

bit1

bit0

0030

H

ANS2 ANS1

ANS0

ADI

ADMV RESV0

AD

-0000000

B

R/W

R/W

R/W

R/W

R

R/W

R/W

R/W : Readable/Writable

R

: Read only
: Initial value

Address

Initial value

A/D conversion activation bit

This bit is enabled only when software is activated
(ADC2: EXT = 0).
Always 0 for at reading.

A/D conversion functions are not activated.

A/D conversion functions are activated.

Reserved bit

Not changed. This does not affect others.

Converting flag bit

Not changed. This does not affect others.

Not during conversion.

During conversion.

Interrupt request flag bit

During read

During write

Conversion has not been

completed.

This bit is cleared.

Analog input channel selection bits

Conversion has been
completed.

Not changed. This does not

affect others.

AN0 pin (P40/AN0)

AN1 pin (P41/AN1)

AN2 pin (P42/AN2)

AN3 pin (P43/AN3)

AN4 pin (P00/INT20/AN4)

AN5 pin (P01/INT21/AN5)

AN6 pin (P02/INT22 /AN6)

AN7 pin (P03/INT23 /AN7)

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