Datasheet

Section 18 A/D Converter
R01UH0309EJ0500 Rev. 5.00 Page 1083 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Table 18.5 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 18.6 A/D Conversion Characteristics (EXCKS = 1)
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 18.7 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)