SH7080_09 Datasheet, PDF (1025/1622 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family

Section 19 A/D Converter (ADC)
Table 19.4 A/D Conversion Time (Single Mode)
Item
A/D conversion
start delay time
Input sampling
time
A/D conversion
time
Symbol
t_D
STC = 0
CKSL1 = 0
CKSL1 = 1
CKSL0 = 0
CKSL0 = 1
CKSL0 = 0
CKSL0 = 1
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
2 ⎯6
2 ⎯5
2 ⎯4
2 ⎯3
t_SPL
⎯ 24 ⎯ ⎯ 18 ⎯ ⎯ 12 ⎯ ⎯ 6 ⎯
t_CONV
202 ⎯ 206 152 ⎯ 155 102 ⎯ 104 52 ⎯ 53
STC = 1
CKSL1 = 0
CKSL1 = 1
CKSL0 = 0
CKSL0 = 1
CKSL0 = 0
CKSL0 = 1
Item
Symbol Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
A/D conversion t_D
start delay time
2 ⎯6
2 ⎯5
2 ⎯4
2 ⎯3
Input sampling t_SPL
time
⎯ 36 ⎯ ⎯ 27 ⎯ ⎯ 18 ⎯ ⎯ 9 ⎯
A/D conversion t_CONV
time
258 ⎯ 262 194 ⎯ 197 130 ⎯ 132 66 ⎯ 67
Note: All values represent the number of states for Pφ.
Table 19.5 A/D Conversion Time (Scan Mode)
STC
0
1
CKSL1
0
1
0
1
CKSL0
0
1
0
1
0
1
0
1
Conversion Time
(State)
200 (Fixed)
150 (Fixed)
100 (Fixed)
50 (Fixed)
256 (Fixed)
192 (Fixed)
128 (Fixed)
64 (Fixed)
Conversion Time Calculation Example
Pφ = 25 MHz
Pφ = 40 MHz
8 μs
5 μs
6 μs
3.8 μs
4 μs
2.5 μs
2 μs
Setting prohibited
10.2 μs
6.4 μs
7.7 μs
4.8 μs
5.1 μs
3.2 μs
2.6 μs
Setting prohibited
Rev. 4.00 Dec. 15, 2009 Page 965 of 1558
REJ09B0181-0400