15. A/D Converter
puorG92/C61M
page 242
854fo7002,03.raM21.1.veR
2110-1010B90JER
Figure 15.19 Operation Example in Delayed Trigger Mode 0
AN
0
AN
1
AN
2
AN
3
Timer B0 underflow
A/D pin input
voltage sampling
A/D pin conversion
AN
0
AN
1
AN
2
AN
3
Timrt B0 underflow
(An interrupt does not affect A/D conversion)
Timer B0 underflow
Timer B1 underflow
Timer B1 underflow
•Example when selecting AN
0
to AN
3
to A/D sweep pins (SCAN1 to SCAN0 = 01
2
)
•Example 1: When Timer B1 underflow is generated during AN
0
pin conversion
AN
0
AN
1
AN
2
AN
3
Timer B0 underflow
Timer B1 underflow
•Example 2: When Timer B1 underflow is generated after AN
0
pin conversion
AN
0
AN
1
AN
2
AN
3
Timer B0 underflow
(Abort othrt pins conversion)
Timer B0 underflow
Timer B1 under flow
Timer B1 underflow
•Example 3: When Timer B0 underflow is generated during A/D conversion of any pins except AN
0
pin
•Example 4: When Timer B0 underflow is generated again before Timer B1 underflow is generated
after Timer B0 underflow generation
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