PIC16C717-I/SS 查看數據表（PDF） - Microchip Technology

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PIC16C717-I/SS

18/20-Pin, 8-Bit CMOS Microcontrollers with 10/12-Bit A/D

Microchip Technology 

PIC16C717/770/771

FIGURE 9-24: MASTER RECEIVER FLOWCHART

Idle mode

RCEN = 1

Num_Clocks = 0,

Release SDA

Force SCL=0,

Load BRG w/

SSPADD<6:0>,

start count

BRG

No

rollover?

Yes

Release SCL

(Clock Arbitration)

SCL = 1? No

Yes

Sample SDA,

Shift data into SSPSR

Load BRG with

SSPADD<6:0>,

start count.

BRG No

rollover?

Yes

Num_Clocks

= Num_Clocks + 1

SCL = 0? No

Yes

No

Num_Clocks

= 8?

Yes

Force SCL = 0,

Set SSPIF,

Set BF.

Move contents of SSPSR

into SSPBUF,

Clear RCEN.

DS41120A-page 96

Advanced Information

© 1999 Microchip Technology Inc.

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