SH7014 Datasheet, PDF (689/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Appendix A On-Chip Supporting Module Registers
A/D (SH7014)
Bit
5
4
3
2 to 0
Note: *
Name
Value
Description
A/D Start (ADST)
0
A/D conversion halted
(initial value)
1
• Single mode: Start A/D conversion.
Automatically cleared to 0 after conversion
for the designated channel ends.
• Scan mode: Start A/D conversion.
Continuous conversion until 0 cleared by
software.
Clock Select (CKS)
0
Conversion time = 40 states (high speed A/D
converter standard clock = φ/2)
(initial value)
1
Conversion time = 80 states
(when φ/4 is selected)
Group Mode (GRP)
0
Select mode
(initial value)
1
Group mode
Channel Select 2 to 0
(CH2 to CH0)
Select mode (GRP = 0) Group mode (GRP = 1)
0 0 0 AN0
(Initial value) AN0
1 AN1
AN0, AN1
1 0 AN2
AN0 to AN2
1 AN3
AN0 to AN3
1 0 0 AN4
AN0 to AN4
1 AN5
AN0 to AN5
1 0 AN6
AN0 to AN6
1 AN7
AN0 to AN7
During buffer operation, this is not set until operation of the specified buffer has ended.
Rev.5.00 Sep. 27, 2007 Page 655 of 716
REJ09B0398-0500