Renesas rl78 User Manual
RL78/G1A
CHAPTER 11 A/D CONVERTER
R01UH0305EJ0200 Rev.2.00
354
Jul 04, 2013
Table 11-3. A/D Conversion Time Selection (3/4)
(3) 8-bit resolution mode (ADTYP = 1) When there is no stabilization wait time
(software trigger mode/hardware trigger no-wait mode)
Conversion Time Selection
A/D Converter Mode Register 0
(ADM0)
AV
DD
= 1.6 to 3.6 V AV
DD
= 1.6 to 3.6 V AV
DD
= 1.8 to 3.6 V AV
DD
= 2.4 to 3.6 V AV
DD
= 2.7 to 3.6 V
FR2 FR1 FR0 LV1 LV0
Mode Conversion
Clock (f
AD
)
Number of
Conversion
Clock
Conversion
Time
f
CLK
= 1 MHz f
CLK
= 4 MHz f
CLK
= 8 MHz f
CLK
= 16 MHz f
CLK
= 32 MHz
0 0 0
f
CLK
/32 1312/f
CLK
Setting
prohibited
41
μs
Note
0 0 1
f
CLK
/16 656/f
CLK
Setting
prohibited
41
μs
Note
20.5
μs
Note
0 1 0
f
CLK
/8 328/f
CLK
41
μs
Note
20.5
μs
Note
10.25
μs
Note
0 1 1
f
CLK
/6 246/f
CLK
30.75
μs
Note
15.375
μs
Note
7.6875
μs
Note
1 0 0
f
CLK
/5 205/f
CLK
Setting
prohibited
25.625
μs
Note
12.8125
μs
Note
6.40625
μs
Note
1 0 1
f
CLK
/4 164/f
CLK
41
μs
Note
20.5
μs
Note
10.25
μs
Note
5.125
μs
Note
1 1 0
f
CLK
/2 82/f
CLK
Setting
prohibited
20.5
μs
Note
10.25
μs
Note
5.125
μs
Note
2.5625
μs
Note
1 1 1
0 0
Normal
1
f
CLK
/1
41 f
AD
(number
of
sampling
clock:
11 f
AD
)
41/f
CLK
41
μs
Note
10.25
μs
Note
5.125
μs
Note
2.5625
μs
Note
Setting
prohibited
0 0 0
f
CLK
/32 1696/f
CLK
Setting
prohibited
53
μs
0 0 1
f
CLK
/16 848/f
CLK
Setting
prohibited
53
μs 26.5
μs
0 1 0
f
CLK
/8 424/f
CLK
53
μs
Note
26.5
μs 13.25
μs
0 1 1
f
CLK
/6 318/f
CLK
39.75
μs
Note
19.875
μs
9.9375
μs
1 0 0
f
CLK
/5 265/f
CLK
Setting
prohibited
33.125
μs
Note
16.5625
μs 8.28125 μs
1 0 1
f
CLK
/4 212/f
CLK
53
μs
Note
26.5
μs
Note
13.25
μs 6.625
μs
1 1 0
f
CLK
/2 106/f
CLK
Setting
prohibited
26.5
μs
Note
13.25
μs
Note
6.625
μs 3.3125
μs
1 1 1
0 1
Normal
2
f
CLK
/1
53 f
AD
(number
of
sampling
clock:
23 f
AD
)
53/f
CLK
53
μs
Note
13.25
μs
Note
6.625
μs
Note
3.3125
μs
Setting
prohibited
0 0 0
f
CLK
/32 2016/f
CLK
Setting
prohibited
63
μs
0 0 1
f
CLK
/16 1008/f
CLK
Setting
prohibited
63
μs 31.5
μs
0 1 0
f
CLK
/8 504/f
CLK
63
μs 31.5
μs 15.75
μs
0 1 1
f
CLK
/6 378/f
CLK
47.25
μs 23.625
μs
11.8125
μs
1 0 0
f
CLK
/5 315/f
CLK
Setting
prohibited
39.375
μs 19.6875
μs 9.84375 μs
1 0 1
f
CLK
/4 252/f
CLK
63
μs
Note
31.5
μs 15.75
μs 7.875
μs
1 1 0
f
CLK
/2 126/f
CLK
Setting
prohibited
31.5
μs
Note
15.75
μs 7.875
μs 3.9375
μs
1 1 1
1 0 Low-
voltage 1
f
CLK
/1
63 f
AD
(number
of
sampling
clock:
33 f
AD
)
63/f
CLK
63
μs
Note
15.75
μs
Note
7.875
μs 3.9375
μs
Setting
prohibited
0 0 0
f
CLK
/32 6944/f
CLK
Setting
prohibited
217
μs
0 0 1
f
CLK
/16 3472/f
CLK
Setting
prohibited
217
μs 108.5
μs
0 1 0
f
CLK
/8 1736/f
CLK
217
μs 108.5
μs 54.25
μs
0 1 1
f
CLK
/6 1302/f
CLK
162.75
μs 81.375
μs
40.6875
μs
1 0 0
f
CLK
/5 1085/f
CLK
Setting
prohibited
135.625
μs 67.8125 μs 33.90625 μs
1 0 1
f
CLK
/4 868/f
CLK
217
μs 108.5
μs 54.25
μs 27.125
μs
1 1 0
f
CLK
/2 434/f
CLK
Setting
prohibited
108.5
μs 54.25
μs 27.125
μs
13.5625
μs
1 1 1
1 1 Low-
voltage 2
f
CLK
/1
217 f
AD
(number
of
sampling
clock:
187 f
AD
)
217/f
CLK
217
μs 54.25
μs 27.125
μs 13.5625
μs Setting
prohibited
Note When using ANI16 to ANI30, setting this value is prohibited.
(Cautions and Remark are listed on the next page.)
<R>