Rev. 1.0, 02/00, page 520 of 1141
Bits 3 to 0
Software Channel Select (SCH3 to SCH0): These bits select the analog input
channel that is converted by software triggering.
When channels AN0 to AN7 are used, appropriate pin settings must be made in port mode register
0 (PMR0). For pin settings, see section 24.2.6, Port Mode Register 0 (PMR0).
Bit 3
Bit 2
Bit 1
Bit 0
SCH3
SCH2
SCH1
SCH0
Analog Input Channel
0
AN0
(Initial value)
0
1
AN1
0
AN2
0
1
1
AN3
0
AN4
0
1
AN5
0
AN6
0
1
1
1
AN7
0
AN8
0
1
AN9
0
ANA
0
1
1
ANB
1
1
*
*
No channel selected for software-triggered conversion
Notes: 1. If conversion is started by software when SCH3 to SCH0 are set to 11**, the conversion
result is undetermined. Hardware- or external-triggered conversion, however, will be
performed on the channel selected by HCH1 and HCH0.
2. * Don't care.