PIC16C770 Microchip Technology Inc., PIC16C770 Datasheet - Page 114

• Manufacturer Part Number: PIC16C770
• Description: 18/20-pin, 8-bit Cmos Microcontrollers With 10/12-bit A/d
• Manufacturer: Microchip Technology Inc.

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