
PIC16C717/770/771
DS41120B-page 112
2002 Microchip Technology Inc.
11.5
A/D Converter Module Operation
module.
FIGURE 11-4: FLOW CHART OF A/D OPERATION
Sample
ADON = 0
ADON = 0?
GO = 0?
A/D Clock
GO = 0
ADIF = 0
Abort Conversion
SLEEP
Power-down A/D
Wake-up
Yes
No
Yes
No
Yes
Finish Conversion
GO = 0
ADIF = 1
SLEEP
No
Yes
Finish Conversion
GO = 0
ADIF = 1
Stay in SLEEP
Selected Channel
= RC?
Instruction?
SLEEP
No
Yes
Instruction?
Start of A/D
Conversion Delayed
1 Instruction Cycle
From SLEEP?
Power-down A/D
Yes
No
Finish Conversion
GO = 0
ADIF = 1