PIC16C773-20I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16C773-20I/SO

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

Microchip Technology 

FIGURE 8-27: 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

SCL = 1?

(Clock Arbitration)

No

Yes

Sample SDA,

Shift data into SSPSR

Load BRG with

SSPADD<6:0>,

start count.

PIC16C77X

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.

 1999-2013 Microchip Technology Inc.

Advance Information

DS30275B-page 83

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