Microchip Technology MA160014 Data Sheet
2010-2012 Microchip Technology Inc.
DS41412F-page 247
PIC18(L)F2X/4XK22
FIGURE 15-28:
I
2
C MASTER MODE WAVEFORM (TRANSMISSION, 7 OR 10-BIT ADDRESS)
SDAx
SCL
x
SSPx
IF
BF (
SSPx
ST
A
T
<0
>)
SEN
A7
A
6
A5
A4
A
3
A
2
A1
A
C
K
=
0
D7
D6
D5
D4
D3
D2
D1
D0
ACK
T
ran
smi
tti
ng
D
a
ta
or
S
e
co
nd
H
a
lf
R/W
=
0
T
ran
smi
t
A
d
dr
ess t
o
S
lave
1
2
3
4
56
7
8
9
1
2
3
4
5
67
8
9
P
C
le
a
red
by
softw
ar
e se
rvi
c
e
ro
uti
n
e
SSPx
BUF is
wr
it
te
n
b
y
s
o
ft
wa
re
fr
om S
S
P
x
in
ter
rup
t
A
ft
e
r
S
tar
t co
ndi
ti
on,
S
E
N
cl
ear
ed
by h
a
rd
w
a
re
S
SSPx
BUF
wr
it
te
n
wit
h
7
-b
it
a
d
d
re
s
s
a
n
d
R/
W
star
t tra
n
sm
it
SCL
x
h
e
ld
lo
w
wh
ile
CPU
re
s
p
o
n
d
s
t
o
SSPx
IF
SEN =
0
o
f 10
-b
it
A
ddr
ess
W
rit
e
SSPx
CO
N2
<0
> SEN =
1
S
tar
t con
d
it
io
n b
egi
n
s
F
rom
sl
a
v
e,
cl
ear
A
C
K
S
T
A
T
bi
t S
S
P
x
C
O
N
2
<
6
>
ACKST
A
T
in
SSPx
CO
N2
=
1
C
le
a
red by
so
ft
w
a
re
SS
Px
BUF wr
it
te
n
PEN
R/
W
C
le
ar
ed
by
s
o
ft
w
a
re