Figure 19.3 Example Of A/D Converter Operation (Scan Mode, Channels An0 To An2 Selected) - Hitachi HD64465 User Manual

ADST
ADF
State of channel 0
(AN0)
State of channel 1
(AN1)
State of channel 2
(AN2)
State of channel 3
(AN3)
ADDRA
ADDRB
ADDRC
ADDRD
*Note: 1. Vertical arrows ( ) indicate instructions executed by software.
2. Data currently being converted is ignored.
Rev. 3.0, 03/01, page 342 of 390
1
Set*
Idle
A/D
conversion (1)
Idle
conversion (2)
Idle
Figure 19.3 Example of A/D Converter Operation
(Scan Mode, Channels AN0 to AN2 Selected)
Continuous A/D converison
Idle
conversion (4)
Idle
A/D
A/D
conversion (3)
Idle
Transfer
A/D conversion result (1)
A/D conversion result (3)
Clear*
A/D conversion time
Idle
A/D
A/D
conversion (5)
Idle
A/D conversion result (2)
A/D conversion result (4)
1
1
Clear*
Idle