HD643303x Hitachi, HD643303x Datasheet - Page 393

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

Bit 4—Scan Mode (SCAN): Selects single mode or scan mode. For further information on
operation in these modes, see section 12.4, Operation. Clear the ADST bit to 0 before switching
the conversion mode.
Bit 4
SCAN
0
1
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
0
1
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
CH2
0
1
Description
Single mode
Scan mode
Description
Conversion time = 266 states (maximum)
Conversion time = 134 states (maximum)
CH1
0
1
0
1
Channel Selection
CH0
0
1
0
1
0
1
0
1
Single Mode
AN
AN
AN
AN
AN
AN
AN
AN
378
0
1
2
3
4
5
6
7
(Initial value)
Description
Scan Mode
AN
AN
AN
AN
AN
AN
AN
AN
0
0
0
0
4
4
4
4
, AN
, AN
to AN
to AN
to AN
to AN
1
5
2
3
6
7
(Initial value)
(Initial value)