Information

PIC18F8722 FAMILY
DS39646C-page 222 © 2008 Microchip Technology Inc.
FIGURE 19-9: I
2
C™ SLAVE MODE TIMING (TRANSMISSION, 7-BIT ADDRESS)
SDAx SCLx BF (SSPxSTAT<0>)
A6
A5
A4 A3
A2
A1
D6
D5
D4
D3
D2
D1
D0
1 2 3 4 5 6 7 8 2 3 4 5 6 7 8 9
SSPxBUF is written in software
Cleared in software
Data in sampled
S
ACK
Transmitting Data
R/W = 0
ACK
Receiving Address
A7 D7
9 1
D6
D5
D4
D3
D2
D1
D0
2 3 4 5 6 7 8 9
SSPxBUF is written in software
Cleared in software
From SSPxIF ISR
Transmitting Data
D7
1
CKP
P
ACK
CKP is set in software
CKP is set in software
SCLx held low while CPU responds to SSPxIF
SSPxIF (PIR1<3> or PIR3<7>)
From SSPxIF ISR