Hitachi H8/3022 Hardware Manual page 425

H8/3022 series hitachi single-chip microcomputer
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Bit 4—Scan Mode (SCAN): Selects single mode or scan mode. For further information on
operation in these modes, see section 13.4, Operation. Clear the ADST bit to 0 before switching
the conversion mode.
Bit 4
SCAN
Description
0
Single mode
1
Scan mode
Bit 3—Clock Select (CKS): Selects the A/D conversion time. Clear the ADST bit to 0 before
switching the conversion time.
Bit 3
CKS
Description
0
Conversion time = 266 states (maximum)
1
Conversion time = 134 states (maximum)
Bits 2 to 0—Channel Select 2 to 0 (CH2 to CH0): These bits and the SCAN bit select the analog
input channels. Clear the ADST bit to 0 before changing the channel selection.
Group
Selection
Channel Selection
CH2
CH1
0
0
1
1
0
1
414
CH0
Single Mode
0
AN
(Initial value)
0
1
AN
1
0
AN
2
1
AN
3
0
AN
4
1
AN
5
0
AN
6
1
AN
7
(Initial value)
(Initial value)
Description
Scan Mode
AN
0
AN
, AN
0
1
AN
to AN
0
2
AN
to AN
0
3
AN
4
AN
, AN
4
5
AN
to AN
4
6
AN
to AN
4
7

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