Datasheet

© 2008 Microchip Technology Inc. DS39646C-page 221
PIC18F8722 FAMILY
FIGURE 19-8: I
2
C™ SLAVE MODE TIMING WITH SEN = 0 (RECEPTION, 7-BIT ADDRESS)
SDAx SCLx SSPxIF (PIR1<3> or PIR3<7>) BF (SSPxSTAT<0>) SSPOV (SSPxCON1<6>)
S
1 234 56789 1 2 345 67 89 1 2345 789
P
A7 A6 A5 A4 A3 A2 A1 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D1 D0
ACK
Receiving Data
ACK
Receiving Data
R/W
= 0
ACK
Receiving Address
Cleared in software SSPxBUF is read
Bus master terminates transfer
SSPOV is set because SSPxBUF is still full. ACK is not sent.
D2
6
CKP
(CKP does not reset to ‘0’ when SEN = 0)