PIC16C774T-I/SO 查看數據表（PDF） - Microchip Technology

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PIC16C774T-I/SO

28/40-Pin, 8-Bit CMOS Microcontrollers w/ 12-Bit A/D

Microchip Technology 

PIC16C77X

FIGURE 11-5: FLOWCHART OF A/D OPERATION

ADON = 0

Yes

ADON = 0?

No

Sample

Selected Channel

Yes

GO = 0?

No

Yes

A/D Clock

= RC?

No

Start of A/D

Conversion Delayed

1 Instruction Cycle

SLEEP Yes

Instruction?

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 2 TAD

Finish Conversion

GO = 0

ADIF = 1

Wake-up Yes

From Sleep?

No

Stay in Sleep

Powerdown A/D

Wait 2 TAD

Wait 2 TAD

DS30275B-page 122

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