Rev. 2.00, 09/03, page 532 of 690
Bit
Bit
Name
Initial
Value
R/W
Description
7
6
CKS1
CKS0
0
1
R/W
R/W
Clock Select
Selects the A/D conversion time. Clear the ADST bit to 0
before changing the conversion time.
00: Conversion time = 151 states (maximum) at P
φ
/4
01: Conversion time = 285 states (maximum) at P
φ
/8
10: Conversion time = 545 states (maximum) at P
φ
/16
11: Setting prohibited
Note:
If the minimum conversion time is not satisfied,
lack of accuracy or abnormal operation may
occur.
5
4
MULTI1
MULTI0
0
0
R/W
R/W
Mode Select
Selects single mode, multi mode, or scan mode.
00: Single mode
01: Setting prohibited
10: Multi mode
11: Scan mode
3
2
—
—
0
0
R
R
Reserved
These bits are always read as 0. The write value should
always be 0.
1
0
CH1
CH0
0
0
R/W
R/W
Channel Select
These bits and the MULTI bit select the analog input
channels. Clear the ADST bit to 0 before changing the
channel selection.
Single mode
Multi mode or scan mode
00: AN0
AN0
01: AN1
AN0, AN1
10: AN2
AN0 to AN2
11: AN3
AN0 to AN3
Summary of Contents for SH7705
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Page 739: ...SH7705 Group Hardware Manual REJ09B0082 0200O ...