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R01UH0336EJ0102 Rev.1.02
Page 1324 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 23 A/D Converter
23.4.3
Conversion Status Registers
(1)
ADCAnSTR1 – A/D Converter Overwrite Error Flag
This register indicates whether the latest A/D conversion result in
ADCAnCmCR has been overwritten before it is read.
Access
This register can be read in 32-bit units.
Address
<ADCAn_base1> + 28
H
Initial value
0000 0000
H
This register is initialized by any reset.
S
Note
The value of ADCAnSTR1.ADCAnOWEm is reflected in the following overwrite
error flag:
• The error flag in the A/D converter conversion result register for channel m
(ADCAnCmCR.ADCAnCmER1)
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0
0
0
0
0
0
0
0
ADCAnOWE[23:16]
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
ADCAnOWE[15:00]
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Table 23-17
ADCAnSTR1 Register Contents
Bit Position
Bit Name
Function
23 to 0
ADCAn
OWE[23:00]
Indicates whether the A/D conversion result of channel m has been overwritten
before it is read.
0: Not overwritten
1: Overwritten
This error flag is cleared by setting ADCAnSTC1.ADCAnOWECm to 1.
Note: The bits corresponding to the channels that are not implemented in this
product should be cleared to 0 (for the applicable bits, refer to the Number
of analog input pins fields in the table in Section 23.1, ADCA Features).
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