PIC17C7XX_13 Datasheet, PDF (187/306 Pages) Microchip Technology – High-Performance 8-bit CMOS EPROM Microcontrollers with 10-bit A/D

PIC17C7XX
FIGURE 16-5:
FLOW CHART OF A/D OPERATION
ADON = 0
Yes
ADON = 0?
No
Acquire
Selected Channel
Yes
GO = 0?
No
Yes
A/D Clock
= RC?
No
Start of A/D
Conversion Delayed
1 Instruction Cycle
Yes
Device in
SLEEP?
No
Finish Conversion
GO = 0,
ADIF = 1
Abort Conversion
GO = 0,
ADIF = 0
SLEEP
Power-down A/D
SLEEP ^Yes
Instruction?
No
Finish Conversion
GO = 0,
ADIF = 1
Wait 2TAD
Finish Conversion
GO = 0,
ADIF = 1
Wake-up ^Yes
From SLEEP?
No
Stay in SLEEP
Power-down A/D
Wait 2TAD
Wait 2TAD
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DS30289C-page 187