Microchip Technology IC PIC MCU PIC16F1937-I/PT TQFP-44 MCP PIC16F1937-I/PT 数据表
产品代码
PIC16F1937-I/PT
2008-2011 Microchip Technology Inc.
DS41364E-page 257
PIC16(L)F1934/6/7
FIGURE 24-15:
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
SDA
SC
L
12
3
4
5
6
7
8
9
1
2
3
4
56
78
9
12
3
4
5
6
7
8
9
P
SSPI
F s
et
o
n
9
th
S
C
L i
s n
ot
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
e
d
ge
o
f S
C
L
re
le
as
in
g SCL
ACK
is n
ot s
ent.
B
us M
aste
r s
end
s
CKP
SSPO
V
BF
SSPI
F
SS
PO
V
s
et
b
ec
a
us
e
SS
PBUF
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
BUF
ACK
=
1
C
lear
ed
by s
of
tw
are
SSPBUF
is
r
e
ad
Clo
ck is h
eld
lo
w u
n
til CKP is se
t to
‘
1
’
re
le
a
sin
g SCL
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