Hardware manual

Rev. 3.0, 09/98, page 232 of 361
Bit 3Clock Select (CKS): This bit controls the A/D conversion time.
The conversion time should be changed only when the ADST bit is cleared to “0.”
Bit 3
CKS Description
0 Conversion time = 242 states (max) (Initial value)
1 Conversion time = 122 states (max)
Bits 2 to 0Channel Select 2 to 0 (CH2 to CH0): These bits and the SCAN bit combine to
select one or more analog input channels.
The channel selection should be changed only when the ADST bit is cleared to “0.”
Channel Select Selected Channels
Group
Select
CH2
CH1 CH0 Single Mode Scan Mode
000AN
0
(Initial value) AN
0
01AN
1
AN
0
, AN
1
10AN
2
AN
0
to AN
2
11AN
3
AN
0
to AN
3
100AN
4
AN
4
01AN
5
AN
4
, AN
5
10AN
6
AN
4
to AN
6
11AN
7
AN
4
to AN
7