hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 629

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hd64338023s

Manufacturer Part Number
hd64338023s
Description
Renesas 8-bit Single-chip Microcomputer Super Low Power Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
AMR—A/D Mode Register
Bit
Initial value
Read/Write
Notes: 1. Except for the H8/38124 Group, operation cannot be
Clock Select
CKS
R/W
Bit 7
CKS
7
0
0
1
2. H8/38124 Group only.
Conversion Period
62/φ
31/φ
TRGE
External Trigger Select
R/W
0 Disables start of A/D conversion by external trigger
1 Enables start of A/D conversion by rising or falling edge
guaranteed if the conversion time is less than 12.4 µs.
Make sure to select a setting that gives a conversion time of
12.4 µs or more in such cases. For the H8/38124 Group select
a setting that gives a conversion time of 6.2 µs or more.
6
0
of external trigger at pin ADTRG
5
1
Channel Select
Bit 3
CH3
0
1
1
φ = 1 MHz
62 µs
31 µs
4
1
Bit 2
CH2
0
1
0
1
Conversion Time
Rev. 7.00 Mar 10, 2005 page 587 of 652
CH3
R/W
Bit 1
CH1
3
0
 *
φ = 5 MHz
12.4 µs
*
0
1
0
1
*
1
H'C6
Appendix B Internal I/O Registers
Bit 0
CH0
0
1
0
1
0
1
0
1
*
*
CH2
R/W
2
0
 *
Analog Input Channel
No channel selected
AN
AN
AN
AN
AN
AN
AN
AN
Do not specify this
combination
φ = 10 MHz *
6.2 µs
1
0
1
2
3
4
5
6
7
CH1
R/W
1
0
REJ09B0042-0700
*: Don't care
A/D Converter
2
CH0
R/W
0
0

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