PIC16F722AT-ISLASHSP datasheet(168/284 Pages) MICROCHIP

Part #	PIC16F722AT-I/SP

Description	28-Pin Flash Microcontrollers with nanoWatt XLP Technology

PDF	284 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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168 / 284 page

PIC16F/LF722A/723A

DS41417A-page 168

 2010 Microchip Technology Inc.

17.2.5

RECEPTION

When the R/W bit of the received address byte is clear,

the master will write data to the slave. If an address

match occurs, the received address is loaded into the

SSPBUF register. An address byte overflow will occur

if that loaded address is not read from the SSPBUF

before the next complete byte is received.

An SSP interrupt is generated for each data transfer byte.

The BF, R/W and D/A bits of the SSPSTAT register are

used to determine the status of the last received byte.

FIGURE 17-10:

I2C™ WAVEFORMS FOR RECEPTION (7-BIT ADDRESS)

A7 A6 A5 A4 A3 A2 A1

SDA

SCL

Bus Master

sends Stop

condition

Bit SSPOV is set because the SSPBUF register is still full.

Cleared in software

SSPBUF register is read

ACK

Receiving Data

ACK

R/W = 0

Receiving Address

SSPIF

SSPOV

ACK

ACK is not sent.

PIC16F722AT-I/SP Datasheet(PDF) 168 Page - Microchip Technology