Datasheet
Section 17 A/D Converter 
R01UH0310EJ0500 Rev. 5.00    Page 1015 of 1384 
Sep 25, 2012     
H8S/2426, H8S/2426R, H8S/2424 Group 
Table 17.5  A/D Conversion Characteristics (EXCKS = 0) 
CKS1 = 0  CKS1 = 1 
CKS = 1  CKS = 0  CKS = 1 
Item Symbol 
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. 
A/D conversion start 
delay time 
t
D
 4 ⎯ 10 4  ⎯ 8  3  ⎯ 7 
Input sampling time  t
SPL
  ⎯ 156 ⎯  ⎯ 78 ⎯  ⎯ 39 ⎯ 
A/D conversion time  t
CONV
 262 ⎯ 268 134 ⎯ 138 69 ⎯ 73 
Note:  Values in the table are the number of states. 
Table 17.6  A/D Conversion Characteristics (EXCKS = 1) (Units 1 and 2) 
CKS1 = 0  CKS1 = 1 
CKS = 1  CKS = 0  CKS = 1 
Item  Symbol Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. 
A/D conversion start 
delay time 
t
D
 4 ⎯ 10 4  ⎯ 8  3  ⎯ 7 
Input sampling time  t
SPL
  ⎯ 60 ⎯  ⎯ 30 ⎯  ⎯ 15 ⎯ 
A/D conversion time  t
CONV
 166 ⎯ 172 86 ⎯ 90 45 ⎯ 49 
Note:  Values in the table are the number of states. 
Table 17.7  A/D Conversion Time (Scan Mode) 
EXCKS  CKS1  CKS0  Conversion Time (Number of States) 
0 Setting prohibited 0 
1 256 (fixed) 
0 128 (fixed) 
0 
1 
1 64 (fixed) 
0 Setting prohibited 0 
1 160 (fixed) 
0 80 (fixed) 
1 
1 
1 40 (fixed) 










