h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 630
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h8s-2646
Manufacturer Part Number
h8s-2646
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2646.pdf
(1165 pages)
- Current page: 630 of 1165
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Section 16 A/D Converter
16.2.2
ADCSR is an 8-bit readable/writable register that controls A/D conversion operations.
ADCSR is initialized to H'00 by a reset, and in hardware standby mode or module stop mode.
Bit 7—A/D End Flag (ADF): Status flag that indicates the end of A/D conversion.
Bit 6—A/D Interrupt Enable (ADIE): Selects enabling or disabling of interrupt (ADI) requests
at the end of A/D conversion.
Rev. 5.00 Sep 22, 2005 page 604 of 1136
REJ09B0257-0500
Bit 7
ADF
0
1
Bit 6
ADIE
0
1
Bit
Initial value
R/W
Note: * Only 0 can be written to bit 7, to clear this flag.
A/D Control/Status Register (ADCSR)
Description
[Clearing conditions]
•
•
[Setting conditions]
•
•
Description
A/D conversion end interrupt (ADI) request disabled
A/D conversion end interrupt (ADI) request enabled
:
:
:
When 0 is written to the ADF flag after reading ADF = 1
When the DTC is activated by an ADI interrupt and ADDR is read
Single mode: When A/D conversion ends
Scan mode: When A/D conversion ends on all specified channels
R/(W) *
ADF
7
0
ADIE
R/W
6
0
ADST
R/W
5
0
SCAN
R/W
4
0
CH3
R/W
3
0
CH2
R/W
2
0
CH1
R/W
1
0
(Initial value)
(Initial value)
CH0
R/W
0
0
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