Microchip Technology GPIODM-KPLCD Data Sheet
PIC18F2455/2550/4455/4550
DS39632E-page 218
© 2009 Microchip Technology Inc.
FIGURE 19-11:
I
2
C™ SLAVE MODE TIMING WITH SEN = 0 (RECEPTION, 10-BIT ADDRESS)
SDA
SCL
SS
PI
F
BF
(
S
SPS
TA
T
<
0
>
)
S
1
2
3
4
56
7
8
9
1
2
3
4
5
6
7
89
1
2
3
4
5
7
89
P
1
1
1
1
0
A
9
A
8
A
7
A
6
A
5
A
4A
3
A
2A
1
A
0
D
7
D
6
D
5
D
4
D
3
D
1
D
0
Re
ce
iv
e Da
ta
Byte
ACK
R/W
=
0
ACK
Re
ceive F
irs
t B
yte of A
d
dr
ess
C
lea
re
d i
n
s
o
ftw
a
re
D2
6
(P
IR
1<
3>
)
C
lear
ed i
n
so
ftw
are
R
e
ce
iv
e S
econd B
yte
of A
ddre
ss
C
lea
re
d b
y h
a
rd
w
a
re
w
he
n
SSP
AD
D is
u
p
d
a
te
d
w
ith
lo
w
byte
of add
ress
UA (
S
S
PST
A
T
<1
>)
Cl
ock is h
e
ld
lo
w u
n
til
updat
e of S
S
P
A
D
D
has
ta
ken pl
ac
e
UA
is
set indicat
in
g
tha
t
the S
S
P
A
D
D
need
s to be
upda
ted
U
A
is
set
in
di
cati
ng
that
S
S
P
A
D
D
need
s to be
update
d
C
le
ar
ed
by har
d
w
a
re
w
hen
S
S
P
A
D
D
is
upda
ted w
ith
hi
gh
by
te of
addr
e
ss
S
SPB
UF
is wr
itte
n wi
th
conten
ts o
f S
S
P
S
R
D
ummy
read
of S
S
P
B
U
F
to clear
B
F
flag
AC
K
CKP
12
3
4
5
7
8
9
D7
D6
D5
D4
D3
D1
D0
Re
ce
ive
Da
ta
B
yte
B
us m
a
ste
r
term
inates
tran
sfer
D2
6
ACK
Cle
a
re
d
in
so
ftwa
re
Cle
a
re
d
in
so
ftwa
re
SSP
O
V
(
S
SPCO
N
1
<
6
>
)
S
SPO
V
is
s
et
b
e
ca
u
se
S
SPB
UF
is
stil
l f
u
ll. AC
K
is no
t sent.
(C
K
P
do
es not
reset
to ‘
0
’ w
hen
S
E
N
=
0
)
Clo
ck is h
e
ld
lo
w u
n
til
upda
te of
S
S
P
A
D
D
has
ta
ke
n
pl
ac
e