HD6437101 RENESAS [Renesas Technology Corp], HD6437101 Datasheet - Page 368
HD6437101
Manufacturer Part Number
HD6437101
Description
32-Bit RISC Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6437101.pdf
(560 pages)
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Section 11 A/D Converter
11.3.2
ADCSR for each module controls A/D conversion operations.
Bit
7
6
5
4
3
2
1
0
Note:
Rev.1.00 Sep. 18, 2008 Page 334 of 522
REJ09B0069-0100
Bit Name
ADF
ADIE
ADM1
ADM0
⎯
CH2
CH1
CH0
* Only 0 can be written to clear the flag.
A/D Control/Status Registers_0 to 2 (ADCSR_0 to ADCSR_2)
Initial Value
0
0
0
0
1
0
0
0
R/W
R/(W)* A/D End Flag
R/W
R/W
R/W
R
R/W
R/W
R/W
Description
A status flag that indicates the end of A/D conversion.
[Setting conditions]
•
•
[Clearing condition]
•
A/D Interrupt Enable
The A/D conversion end interrupt (ADI) request is
enabled when this bit is set to 1.
When changing the operating mode, first clear the
ADST bit in the A/D control registers (ADCRs) to 0.
A/D Mode 1 and 0
Select the A/D conversion mode.
00: Single mode
01: 4-channel scan mode
10: 8-channel scan mode
11: Setting prohibited
When changing the operating mode, first clear the
ADST bit in the A/D control registers (ADCRs) to 0.
For A/D2, the ADM1 bit must be cleared to 0.
Reserved
This bit is always read as 1. The write value should
always be 1.
Channel Select 2 to 0
Select analog input channels. See table 11.2.
When changing the operating mode, first clear the
ADST bit in the A/D control registers (ADCRs) to 0.
When A/D conversion ends in single mode
When A/D conversion ends on all specified
channels in scan mode
When 0 is written after reading ADF = 1
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