HD6417706 Datasheet, PDF (546/709 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

Bit
Bit Name Initial Value R/W Description
4
MULTI 0
R/W Multi Mode
Selects single mode, multi mode or scan mode. For
further information on operation in these modes, see
section 19.6, Operation. The mode is selected by
the combination of this bit (MULTI) and bit 5 (SCN)
of ADCR.
MULTI SCN
0
0 : Single mode
0
1 : Single mode
1
0 : Multi mode
1
1 : Scan mode
3
CKS
0
R/W Clock Select
Selects the A/D conversion time. Clear the ADST bit
to 0 before switching the conversion time.
0: Conversion time = 536 states (maximum)
1: Conversion time = 266 states (maximum)*²
2
CH2
0
R/W Channel Select
1
CH1
0
0
CH0
0
R/W These bits and the MULTI bit select the analog input
R/W ^{channels. Clear the ADST bit to 0 before changing}
the channel selection.
Single Mode
(MULTI = 0)
Multi Mode and Scan
Mode (MULTI = 1)
000: AN0
AN0
001: AN1
AN0, AN1
010: AN2
AN0 to AN2
011: AN3
AN0 to AN3
Notes: 1. Only 0 can be written to clear the flag.
2. The CKS value should be set so that the A/D conversion time is 16 µs (minimum).
Rev. 4.00, 03/04, page 500 of 660