Hitachi H8S/2378, H8S/2378R Series Hardware Manual page 786

16 bit single-chip microcomputer
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Bit
Bit Name
3
CH3
2
CH2
1
CH1
0
CH0
Note:
* Only 0 can be written in bit 7, to clear the flag.
Legend:
X: Don't care.
Rev. 1.0, 09/01, page 742 of 904
Initial Value
R/W
0
R/W
0
R/W
0
R/W
0
R/W
Description
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
0001: AN1
0010: AN2
0011: AN3
0100: AN4
0101: AN5
0110: AN6
0111: AN7
When SCANE = 1 and SCANS = 0
0000: AN0
0001: AN0 and AN1
0010: AN0 to AN2
0011: AN0 to AN3
0100: AN4
0101: AN4 and AN5
0110: AN4 to AN6
0111: AN4 to AN7
When SCANE = 1 and SCANS = 1
0000: AN0
0001: AN0 and AN1
0010: AN0 to AN2
0011: AN0 to AN3
0100: AN0 to AN4
0101: AN0 to AN5
0110: AN0 to AN6
0111: AN0 to AN7
1000: AN8
1001: AN9
1010: AN10
1011: AN11
1100: AN12
1101: AN13
1110: AN14
1111: AN15
1000: AN8
1001: AN8 and AN9
1010: AN8 to AN10
1011: AN8 to AN11
1100: AN12
1101: AN12 and AN13
1110: AN12 to AN14
1111: AN12 to AN15
1000: AN8
1001: AN8 and AN9
1010: AN8 to AN10
1011: AN8 to AN11
1100: AN8 to AN12
1101: AN8 to AN13
1110: AN8 to AN14
1111: AN8 to AN15

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