PIC16C774 Microchip Technology Inc., PIC16C774 Datasheet - Page 122

• Manufacturer Part Number: PIC16C774
• Description: 28/40-pin, 8-bit Cmos Microcontrollers W/ 12-bit A/d
• Manufacturer: Microchip Technology Inc.

PIC16C77X
FIGURE 11-5: FLOWCHART OF A/D OPERATION
DS30275A-page 122
Selected Channel
Finish Conversion
A/D Clock
ADON = 0?
Instruction?
Wait 2 T
ADIF = 1
ADON = 0
Sample
GO = 0?
= RC?
GO = 0
SLEEP
No
No
No
No
AD
Yes
Yes
Yes
Yes
Conversion Delayed
1 Instruction Cycle
Power down A/D
Abort Conversion
Start of A/D
SLEEP
ADIF = 0
GO = 0
Advance Information
Finish Conversion
Instruction?
Wait 2 T
SLEEP
ADIF = 1
GO = 0
No
AD
Yes
Finish Conversion
Powerdown A/D
Stay in Sleep
From Sleep?
Wake-up
ADIF = 1
GO = 0
No
Yes
1999 Microchip Technology Inc.
Wait 2 T
AD