Datasheet

Section 18 A/D Converter
Page 1070 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
• H8S/2456 Group and H8S/2456R Group
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.
• When SCANE = 0 and SCANS = x
0xxx: Setting prohibited
1000: AN8
1001: AN9
1010: AN10
1011: AN11
1100: AN12
1101: AN13
1110: AN14
1111: AN15
• When SCANE = 1 and SCANS = 0
0xxx: Setting prohibited
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
• When SCANE = 1 and SCANS = 1
0xxx: Setting prohibited
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
[Legend]
x: Don't care
Note: * Only 0 can be written to this bit, to clear the flag.