Datasheet

Section 18 A/D Converter
Page 1068 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 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
0000: AN0
0001: AN1
0010: AN2
0011: AN3
0100: AN4
0101: AN5
0110: AN6
0111: AN7
1xxx: Setting prohibited
• 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
1xxx: Setting prohibited
• 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
1xxx: Setting prohibited
[Legend]
x: Don't care
Note: * Only 0 can be written to this bit, to clear the flag.