Microchip Technology AC244045 Data Sheet
2010-2012 Microchip Technology Inc.
DS41440C-page 259
PIC16(L)F1825/1829
FIGURE 25-15:
I
2
C SLAVE, 7-BIT ADDRESS, RECEPTION (SEN = 1, AHEN = 0, DHEN = 0)
S
E
N
SEN
A7
A6
A5
A4
A3
A2
A1
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
SDAx
SC
Lx
12
3
4
5
6
7
8
9
12
3
4
5
6
7
8
9
12
3
4
5
6
7
8
9
P
SSPx
IF
s
e
t o
n
9
th
S
C
Lx i
s
not
hel
d
CKP
is wr
itt
en
to
1
in
s
of
twa
re
,
CKP
is
wr
itt
en
to
‘1
’ in
so
ftwa
re
,
ACK
lo
w b
eca
us
e
fa
lli
ng
edg
e of S
C
Lx
rel
e
asi
n
g S
C
Lx
ACK
is n
ot s
ent.
B
us M
aste
r s
end
s
CKP
SSPO
V
BF
SSPx
IF
SS
PO
V
s
et
b
ec
a
us
e
SS
PxBUF
is st
ill
fu
ll.
Cle
ar
e
d b
y so
ftwa
re
F
irst b
yte
of
data i
s
a
va
ila
bl
e
in
SSP
xB
UF
ACK
=
1
C
lear
ed
by s
of
tw
are
SSPx
BUF
is
r
e
ad
Clo
ck is h
eld
lo
w u
n
til CKP is se
t to
‘1
’
re
le
a
si
ng S
C
Lx
S
to
p
co
n
ditio
n
S
ACK
ACK
Re
ce
iv
e Ad
d
re
ss
R
ec
ei
ve
Da
ta
Re
ce
ive
Da
ta
R/W=
0