M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 421
M30622MA-XXXFP
Manufacturer Part Number
M30622MA-XXXFP
Description
16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.M30622MA-XXXFP.pdf
(621 pages)
- Current page: 421 of 621
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A-D Converter
406
Table 2.7.11. Variation of the successive comparison register and Vref while A-D conversion is in
Figure 2.7.23. Theoretical A-D conversion characteristics (10-bit mode)
Conversion complete
A-D converter stopped
2nd comparison
3rd comparison
10th comparison
1st comparison
003
002
001
000
Result of A-D conversion
3FF
3FE
16
16
16
16
16
16
1024
V
REF
0
progress (10-bit mode)
x 0.5
Successive approximation register
n
b9
n
n
n
1
1
9
9
9
1024
9
V
This data transfers to the bit 0
to bit 9 of A-D register.
REF
n
n
n
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0 0
8
8
8
1st comparison result
x 1
n
n
1 0 0 0 0 0 0 0
7
7
2nd comparison result
n
n
6
6
n
n
1024
V
5
5
REF
n
n
Theoretical A-D
conversion characteristic
4
4
x 2
n
n
3
3
n
n
2
2
n
n
1024
V
1
1
REF
n
b0
0
0
x 3
V
V
V
V
V
REF
REF
REF
REF
REF
2
2
2
2
2
1024
V
REF
[V]
–
±
±
±
V
2048
V
V
V
x 1021
REF
REF
REF
REF
4
4
4
[V]
±
±
Ideal A-D conversion
characteristic
–
1024
V
V
V
V
2048
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
REF
REF
REF
REF
8
8
x 1022 V
V
[V]
± ...... ±
–
ref
V
2048
change
REF
n
n
1024
9
9
= 1
= 0
REF
Analog input voltage
V
1024
[V]
REF
x 1023
+
–
n
n
8
8
Mitsubishi microcomputers
–
M16C / 62 Group
= 1
= 0
V
V
V
2048
REF
REF
4
4
REF
V
+
–
REF
[V]
V
V
REF
REF
8
8
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