PIC16C717-I/SS View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16C717-I/SS

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

Microchip Technology 

FIGURE 9-27: ACKNOWLEDGE FLOWCHART

PIC16C717/770/771

Idle mode

Set ACKEN

Force SCL = 0

No SCL = 0?

Yes

Drive ACKDT bit

(SSPCON2<5>)

onto SDA pin,

Load BRG with

SSPADD<6:0>,

start count.

No BRG

rollover?

Yes

Force SCL = 1

No SCL = 1?

(Clock Arbitration)

Yes

Load BRG with

SSPADD <6:0>,

start count.

BRG Yes

rollover?

No

Yes

SCL = 0?

Reset BRG

No

Force SCL = 0,

Clear ACKEN,

Set SSPIF

No

ACKDT = 1?

Yes

Yes SDA = 1?

No

Bus collision detected,

Set BCLIF,

Release SCL,

Clear ACKEN

© 1999 Microchip Technology Inc.

Advanced Information

DS41120A-page 99

Share Link: