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鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� PIC18LF4331-I/P
寤犲晢锛� Microchip Technology
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2010 Microchip Technology Inc.
DS39616D-page 7
PIC18F2331/2431/4331/4431
Pin Diagrams (Continued)
44-Pin QFN(2)
10
11
2
3
4
5
6
1
18
19
20
21 22
12 13
14
15
38
8
7
44
43
42 41
40
39
16
17
29
30
31
32
33
23
24
25
26
27
28
36
34
35
9
PIC18F4331
37
R
A
3/A
N
3/
V
RE
F
+/CA
P
2
/QE
A
R
A
2/
A
N
2/V
RE
F-
/CAP
1
/INDX
RA1
/AN1
RA0
/AN0
MC
LR
/V
PP
/RE
3
RB3
/PWM
3
RB7
/KBI
3
/PG
D
RB6
/KBI
2
/PG
C
R
B
5/K
B
I1/
P
W
M
4/
P
G
M
(2
)
RB4
/KBI
0/
PWM
5
NC
RC6
/T
X/CK/SS
RC5
/I
NT
2
/SCK
(1
) /S
CL
(1
)
RC4
/I
NT
1
/SDI
(1
) /S
DA
(1
)
RD3
/SCK/SCL
RD2
/SDI/
S
DA
RD1
/SDO
RD0
/T
0C
KI
/T
5
C
KI
RC3
/T
0C
KI
(1
) /T
5C
K
I(1
) /I
N
T
0
RC2
/CC
P
1
/F
LT
B
RC1
/T
1O
SI/CCP2
/F
LT
A
RC0/T
1O
S
O/T
1CK
I
OSC2/CLKO/RA6
OSC1/CLKI/RA7
VSS
AVDD
VDD
RE2/AN8
RE1/AN7
RE0/AN6
RA5/AN5/LVDIN
RA4/AN4/CAP3/QEB
RC7/RX/DT/SDO
RD4/FLTA(3)
RD5/PWM4(4)
RD6/PWM6
RD7/PWM7
VSS
VDD
AVDD
RB0/PWM0
RB1/PWM1
RB2/PWM2
PIC18F4431
AVSS
Note 1:
RC3 is the alternate pin for T0CKI/T5CKI; RC4 is the alternate pin for SDI/SDA; RC5 is the alternate pin
for SCK/SCL.
2:
For the QFN package, it is recommended that the bottom pad be connected to VSS.
3:
RD4 is the alternate pin for FLTA.
4:
RD5 is the alternate pin for PWM4.
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