PIC17C7XX Datasheet, PDF (185/328 Pages) Microchip Technology – High-Performance 8-Bit CMOS EPROM Microcontrollers with 10-bit A/D

PIC17C7XX
FIGURE 16-7: FLOWCHART 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
© 1998 Microchip Technology Inc.
DS30289A-page 185