m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 241

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Table 2.9.9. Variation of the successive comparison register and Vref while A/D conversion is in
Figure 2.9.18. Theoretical A/D conversion characteristics (10-bit mode)
Conversion complete
A/D converter stopped
2nd comparison
3rd comparison
1st comparison
10th comparison
001
000
3FF
003
002
Result of A/D conversion
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
page 232 of 354
1
1
9
9
9
9
1024
V
This data transfers to the bit 0
to bit 9 of AD register i.
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
n
x 1
n
1 0 0 0 0 0 0 0
7
7
2nd comparison result
n
n
6
6
n
n
1024
5
5
V
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
1
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
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
–
= 1
= 0
V
V
V
2048
REF
REF
4
4
REF
2. A/D Converter
V
–
+
REF
[V]
V
V
REF
REF
8
8