1095
ADCSR—A/D Control/Status Register
H'FF98
A/D
7
ADF
0
R/(W)
*
6
ADIE
0
R/W
5
ADST
0
R/W
4
SCAN
0
R/W
3
CH3
0
R/W
0
CH0
0
R/W
2
CH2
0
R/W
1
CH1
0
R/W
Note:
*
Only 0 can be written to these bits (to clear these flags).
A/D end flag
0
[Clearing]
(1) Writing 0 to the ADF flag after reading ADF=1.
(2) When DTC is started by an ADI interrupt and ADDR is read.
1
[Setting]
(1)Single mode: On completion of A/D conversion.
(2)Scan mode: On completion of conversion of all specified channels.
A/D start
0
A/D conversion disabled.
1
(1) Single mode: A/D conversion starts. Automatically cleared
to 0 on completion of conversion on specified channel.
(2) Scan mode: A/D conversion starts. The selected channel
continues to be sequentially converted until this bit is
cleared to 0 by a software, reset, or standby mode is
selected, or module stop mode is selected.
A/D interrupt enable
0
A/D conversion end interrupt (ADI) requests disabled.
1
A/D conversion end interrupt (ADI) requests enabled.
Scan mode
0
Single mode
1
Scan mode
Channel select 3
0
AN8 to AN11 set as group 0 analog input
pins, and AN12 to AN15 as group 1
analog input pins.
1
AN0 to AN3 set as group 0 analog input
pins, and AN4 to AN7 set as group 1
analog input pins.
Channel select 2 to 0
CH3
CH2
CH1
CH0
Single mode
Scan mode
(SCAN= 0)
(SCAN= 1)
0
0
0
0
AN0
AN0
1
AN1
AN0, AN1
1
0
AN2
AN0 to AN2
1
AN3
AN0 to AN3
1
0
0
AN4
AN4
1
AN5
AN4, AN5
1
0
AN6
AN4 to AN6
1
AN7
AN4 to AN7
1
0
0
0
AN8
AN8
1
AN9
AN8, AN9
1
0
AN10
AN8 to AN10
1
AN11
AN8 to AN11
1
0
0
AN12
AN12
1
AN13
AN12, AN13
1
0
AN14
AN12 to AN14
1
AN15
AN12 to AN15
Bit
Initial value
R/W
:
:
:
Содержание H8S/2631
Страница 28: ...xviii Appendix G Package Dimensions 1154 ...
Страница 341: ...316 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 9 8 Memory Mapping in Block Transfer Mode ...
Страница 918: ...905 ø DREQ0 DREQ1 tDRQS tDRQH Figure 25 19 DMAC DREQ Input Timing ...
Страница 955: ...943 A 2 Instruction Codes Table A 2 shows the instruction codes ...