h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 1496

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Register
Rev. 6.00 Feb 22, 2005 page 1436 of 1484
REJ09B0103-0600
ADCSR—A/D Control/Status Register
Bit
Initial value
Read/Write
Note: * Only 0 can be written, to clear the flag.
A/D End Flag
0 [Clearing conditions]
1 [Setting conditions]
• When 0 is written in the to ADF flag after reading ADF = 1
• When the DTC is activated by an ADI interrupt, and ADDR is read
• Single mode: When A/D conversion ends
• Scan mode: When A/D conversion ends on all specified channels
A/D Interrupt Enable
0 A/D conversion end interrupt (ADI) request disabled
1 A/D conversion end interrupt (ADI) request enabled
R/(W)
ADF
7
0
A/D Start
0 A/D conversion stopped
1 • Single mode: A/D conversion is started. Cleared to 0 automatically
*
• Scan mode: A/D conversion is started. Conversion continues
when conversion on the specified channel ends
sequentially on the selected channels until ADST is cleared to
0 by software, a reset, or a transition to standby mode or module
stop mode
Scan Mode
ADIE
R/W
0 Single mode
1 Scan mode
6
0
Channel Select 3
0 AN8 to AN11 are group 0 analog input pins
1 AN0 to AN3 are group 0 analog input pins,
ADST
R/W
AN4 to AN7 are group 1 analog input pins
5
0
Channel Select 2 to 0
CH3
0
1
SCAN
R/W
4
0
CH2
0
1
0
1
CH1
0
1
0
1
0
1
0
1
CH3
R/W
3
0
H'FF98
CH0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN8
AN9
AN10
AN11
Setting prohibited
Setting prohibited
Setting prohibited
Setting prohibited
Single Mode
(SCAN = 0)
CH2
R/W
2
0
CH1
R/W
1
0
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
Setting prohibited
Setting prohibited
Setting prohibited
Setting prohibited
(SCAN = 1)
Scan Mode
CH0
R/W
0
0
A/D Converter