
PIC18F2X1X/4X1X
DS39636D-page 168
2009 Microchip Technology Inc.
FIGURE 16-8:
I2C SLAVE MODE TIMING WITH SEN = 0 (RECEPTION, 7-BIT ADDRESS)
SDA
SCL
SSP
IF
BF
(
S
PST
A
T
<0
>)
S
SPO
V
(
S
P
CO
N1
<6
>)
S
1
2
34
5
6
78
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
7
8
9
P
A
7
A6
A
5
A4
A
3
A
2
A
1
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D1
D0
ACK
Re
ce
ivin
g
Da
ta
AC
K
Re
ce
ivin
g
Da
ta
R/W
=
0
AC
K
Re
ce
ivin
g
Ad
dr
e
ss
Cle
ar
e
d
in
so
ftwa
re
SSP
BUF
is
r
e
a
d
B
u
sm
a
ster
te
rmina
tes
tr
ansfer
S
P
OV
is
set
be
cause
S
P
B
U
F
is
still
fu
ll.
A
C
K
is
not
sent.
D2
6
(P
IR
1<
3
>
)
CK
P
(C
K
P
does
not
r
e
set
to
‘0
’wh
e
n
S
E
N
=
‘0
’)