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1 single-shot conversion mode – FUJITSU MB91460 SERIES FR60 User Manual

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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