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Chapter 44 A/D Converter
4.Operation of A/D Converter
4.1 Single-shot conversion mode
(1) Channel selection
(2) A/D conversion activation (Trigger input: Software trigger/Reload timer/External trigger)
(3) INT flag clear, BUSY flag set
(4) Sample hold
(5) Conversion (Conversion a + Conversion b + Conversion c)
(6) Conversion end, INT flag set, BUSY flag clear
(7) Buffers the conversion value. Buffered data storage
(8) Software-based INT flag clear
Channel
selection
Activation
(trigger)
AN input
Internal level
Conversion
value
Conversion
a
Conversion
b
Conversion
c
Sample
hold
Buffer
(ADT)
Conversion end
(INT)
BUSY
Flag clear
(A/D conversion
activation,
or software)
(1)
(2)
(3)
(4) (5)
(6)
(7)
(8)
Flag clear on A/D conversion activation
Conversion time
Conversion in progress Finalized
Previous conversion value
New conversion value