Datasheet

Table Of Contents
Section 16 A/D Converter
REJ09B0140-0900 Rev. 9.00 Page 611 of 846
Sep 16, 2010
H8S/2215 Group
(1)
(2)
t
D
t
SPL
t
CONV
φ
Address
Write signal
Input sampling
timing
ADF
Legend:
(1): ADCSR write cycle
(2): ADCSR address
t
D
: A/D conversion start delay
t
SPL
: Input sampling time
t
CONV
: A/D conversion time
Figure 16.5 A/D Conversion Timing
Table 16.3 A/D Conversion Time (Single Mode)
CKS1 = 0 CKS1 = 1
CKS0 = 0 CKS0 = 1 CKS0 = 0 CKS0 = 1
Item Symbol
Min Typ Max Min Typ Max Min Typ Max Min Typ Max
A/D conversion start
delay
t
D
18 — 33 10 — 17 6 9 4 5
Input sampling time t
SPL
127 — — 63 — — 31 — — 15
A/D conversion time t
CONV
515 — 530 259 — 266 131 — 134 67 68
Note: All values represent the number of states.