PIC16LC773-I/SS View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LC773-I/SS

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

Microchip Technology 

PIC16C77X

FIGURE 8-13: I2C WAVEFORMS FOR TRANSMISSION (7-BIT ADDRESS)

Receiving Address

R/W = 1

ACK

R/W = 0

Transmitting Data Not ACK

SDA

A7 A6 A5 A4 A3 A2 A1

D7 D6 D5 D4 D3 D2 D1 D0

SCL

S

1 23456789

1 234 56 789

Data in

SCL held low

P

sampled

while CPU

responds to SSPIF

SSPIF

BF (SSPSTAT<0>)

cleared in software

From SSP interrupt

SSPBUF is written in software service routine

CKP (SSPCON<4>)

Set bit after writing to SSPBUF

(the SSPBUF must be written-to

before the CKP bit can be set)

DS30275B-page 66

Advance Information

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