Datasheet

Section 16 A/D Converter
Rev.6.00 Mar. 18, 2009 Page 667 of 980
REJ09B0050-0600
Bit Bit Name Initial Value R/W Description
3
2
1
0
CH3
CH2
CH1
CH0
0
0
0
0
R/W
R/W
R/W
R/W
Channel select 3 to 0
Selects analog input together with bits SCANE
and SCANS in ADCR.
Set the input channel when conversion is
stopped (ADST = 0).
When SCANE = 0 and SCANS = X
0000: AN0 10××: Cannot be set
0001: AN1 10××: Cannot be set
0010: AN2 10××: Cannot be set
0011: AN3 10××: Cannot be set
0100: AN4 1100: AN12
0101: AN5 1101: AN13
0110: AN6 111×: Cannot be set
0111: AN7 111×: Cannot be set
When SCANE = 1 and SCANS = 0
0000: AN0 1000: AN8
0001: AN0 and AN1 1001: AN8 and AN9
0010: AN0 to AN2 1010: AN8 to AN10
0011: AN0 to AN3 1011: AN8 to AN11
0100: AN4 1100: AN12
0101: AN4 and AN5 1101: AN12 and AN13
0110: AN4 to AN6 1110: AN12 to AN14
0111: AN4 to AN7 1111: AN12 to AN15
When SCANE = 1 and SCANS = 1
0000: AN0 1×××: Cannot be set
0001: AN0 and AN1 1×××: Cannot be set
0010: AN0 to AN2 1×××: Cannot be set
0011: AN0 to AN3 1×××: Cannot be set
0100: AN0 to AN4 1×××: Cannot be set
0101: AN0 to AN5 1×××: Cannot be set
0110: AN0 to AN6 1×××: Cannot be set
0111: AN0 to AN7 1×××: Cannot be set
Legend: ×: Don’t care.
Note: * Only 0 can be written in bit 7, to clear the flag.