Microchip Technology MA180025 Data Sheet
2010 Microchip Technology Inc.
DS39933D-page 231
PIC18F87J90 FAMILY
FIGURE 18-11:
I
2
C™ SLAVE MODE TIMING WITH SEN = 0 (RECEPTION, 10-BIT ADDRESSING)
SDA
SCL
SS
PI
F (
P
IR
1
<
3
>
)
BF
(
S
SPS
TA
T
<
0
>
)
S
123
4
5
67
89
12
3
4
5
6
7
8
9
1
2
3
4
5
7
8
9
P
1
1
1
1
0
A
9A
8
A
7
A
6A
5A
4
A
3A
2
A
1
A
0
D
7
D
6
D
5
D
4
D
3
D
1
D
0
Re
ce
ive
D
at
a
Byte
ACK
R/W
=
0
ACK
R
e
ce
iv
e F
irs
t B
yt
e
of A
ddr
ess
Cle
ar
e
d
in
so
ftwa
re
D2
6
Cle
a
re
d
in
so
ftwa
re
R
e
cei
ve
S
e
co
nd B
yte o
f A
ddress
C
le
ar
ed b
y har
dw
are
w
h
en
S
S
P
A
D
D
is
u
pdated
w
ith
lo
w
byte o
f addr
ess
UA (
S
S
PST
A
T
<1
>)
Clo
ck
is
h
e
ld
lo
w u
n
til
update
of S
S
P
A
D
D
h
a
s
ta
ke
n pl
ace
UA
is se
t indicating
that
the
S
S
P
A
D
D
needs to
be
updat
ed
UA
is set ind
icating th
at
S
S
P
A
D
D
needs to
be
up
dated
C
lear
ed b
y har
dw
are
w
hen
S
S
P
A
D
D
is
updat
ed
w
ith
hi
gh
byt
e
of a
ddre
ss
SSP
BUF
is
w
rit
te
n
wit
h
co
ntent
s of
S
S
P
S
R
Du
m
m
y r
e
a
d
o
f SS
PBU
F
to
clear
B
F
flag
AC
K
CK
P
12
3
4
5
7
8
9
D
7
D6
D5
D4
D3
D1
D0
Re
ce
ive
Da
ta
Byte
B
u
s m
a
ster
term
in
ates
transf
e
r
D2
6
AC
K
Cl
ea
re
d in
so
ftwa
re
C
le
a
re
d in
so
ftwa
re
SS
PO
V (
SSP
CO
N1
<6
>)
S
S
P
OV
is set
be
ca
u
se
S
SPB
UF
is
still fu
ll.
A
C
K
is
not
sent.
(C
K
P
doe
s not r
e
set to
‘0
’ w
hen S
E
N
=
0
)
C
lo
ck i
s hel
d l
ow
unti
l
updat
e
of S
S
P
A
D
D
has
ta
ken pl
ac
e