HD6433802H Datasheet, PDF (392/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

AMR—A/D mode register
Bit
7
6
5
CKS
—
—
Initial value
0
0
1
Read/Write
R/W
R/W
—
H'C6
A/D converter
4
3
2
1
0
—
CH3 CH2 CH1 CH0
1
0
0
0
0
—
R/W
R/W
R/W
R/W
Channel select
Bit 3 Bit 2 Bit 1
CH3 CH2 CH1
0
0
*
1
0
1
1
0
0
1
Bit 0
CH0
*
0
1
0
1
0
1
0
1
Analog Input Channel
No channel selected
AN ₀
AN ₁
AN ₂
AN ₃
Use prohibited
*: Don’t care
Clock select
Bit 7
Conversion Time
CKS Conversion Period ø = 1 MHz ø = 5 MHz
0 62/ø
1 31/ø
62 µs
31 µs
12.4 µs
*
*: Operation is not guaranteed with a conversion time
of less than 12.4 µs.
Select a setting that gives a conversion time of at
least 12.4 µs.
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