PIC17LC752-08/JWQTP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC17LC752-08/JWQTP

High-Performance 8-Bit CMOS EPROM Microcontrollers

Microchip Technology 

PIC17C75X

FIGURE 15-33: ACKNOWLEDGE FLOWCHART

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

No

ACKDT = 0?

Yes

Yes

SDA = 1?

No

Bus collision detected,

Set BCLIF,

Release SCL,

Clear ACKEN

DS30264A-page 156

Preliminary

© 1997 Microchip Technology Inc.

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