Hitachi H8S/2646 Hardware Manual page 626

Hitachi 16-bit single-chip microcomputer h8s/2646 series
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Bits 2 to 0—Channel Select 2 to 0 (CH2 to CH0): Together with the SCAN bit, these bits select
the analog input channels.
Only set the input channel while conversion is stopped (ADST = 0).
Channel Selection
CH3
CH2
0
0
1
1
0
594
CH1
CH0
0
0
1
1
0
1
0
0
1
1
0
1
0
0
1
1
0
1
Description
Single Mode
(SCAN = 0)
AN0
(Initial value)
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN8
AN9
AN10
AN11
Scan Mode
(SCAN = 1)
AN0
AN0, AN1
AN0 to AN2
AN0 to AN3
AN4
AN4, AN5
AN4 to AN6
AN4 to AN7
AN8
AN8, AN9
AN8 to AN10
AN8 to AN11

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