Renesas H8S Series Hardware Manual page 478

Section 16 A/D Converter
Bit Bit Name Initial Value
5 ADST 0
4 SCAN 0
3 CH3 0
2 CH2 0
1 CH1 0
0 CH0 0
Rev. 6.00 Mar 15, 2006 page 442 of 570
REJ09B0211-0600
R/W Description
R/W A/D Start
Clearing this bit to 0 stops A/D conversion, and the
A/D converter enters the wait state.
Setting this bit to 1 starts A/D conversion. In single
mode, this bits is cleared to 0 automatically when
conversion on the specified channel is complete. In
scan mode, conversion continues sequentially on the
specified channels until this bit is cleared to 0 by
software, a reset, or a transition to software standby
mode, hardware standby mode or module stop
mode.
R/W Scan Mode
Selects single mode or scan mode as the A/D
conversion operating mode.
0: Single mode
1: Scan mode
R/W Channel Select 0 to 3
R/W Select analog input channels.
R/W When SCAN = 0
R/W 0000: AN0
0001: AN1
0010: AN2
0011: AN3
0100: AN4
0101: AN5
0110: AN6
0111: AN7
1000: AN8
1001: AN9
1010: AN10
1011: AN11
1100: Setting prohibited
1101: Setting prohibited
1110: Setting prohibited
1111: Setting prohibited
When SCAN = 1
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
1000: AN8
1001: AN8 and AN9
1010: AN8 to AN10
1011: AN8 to AN11
1100: Setting prohibited
1101: Setting prohibited
1110: Setting prohibited
1111: Setting prohibited