Datasheet

Section 18 A/D Converter
R01UH0309EJ0500 Rev. 5.00 Page 1079 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
ADST
ADF
ADDRA
ADDRB
ADDRC
ADDRD
Set
*
1
Clear
*
1
Clear
*
1
*
2
Waiting for conversion
Channel 0 (AN0)
operation state
Channel 1 (AN1)
operation state
Channel 2 (AN2)
operation state
Channel 3 (AN3)
operation state
Waiting for
conversion
A/D
conver-
sion 1
A/D conversion result 3
Waiting for conversion
Waiting for
conversion
Waiting for conversion
A/D conversion result 2
A/D conversion result 4
A/D
conver-
sion 5
A/D
conver-
sion 4
A/D conversion time
Waiting for conversion
A/D
conver-
sion 3
Waiting for conversion
Waiting for conversion
Waiting for conversion
A/D
conver-
sion 2
A/D conversion result 1
Transfer
A/D conversion consecutive execution
Notes: 1.
2.
↓ indicates the timing of instruction execution by software.
Data being converted is ignored.
Figure 18.4 Example of A/D Conversion
(Continuous Scan Mode, Three Channels (AN0 to AN2) Selected)