MS51
Dec. 17, 2019
Page
15
of 316
Rev 1.01
M
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4.1.2
QFN 20-pin Package Pin Diagram
MS51XB9AE Pin Diagram
4.1.2.1
Corresponding Part Number: MS51XB9AE
MS51XB9AE
15 14 13 12 11
10
9
8
7
6
2
1
3
4
5
16
17
18
19
20
V
S
S
V
D
D
[ ] alternate function remapping , if the same alternate function is shown twice, it indicates an exclusive choice not a duplication of the function.
PWM0_CH2 / IC6 / T0 / ADC_CH4 / P0.5
UART0_TXD / ADC_CH3 / P0.6
nRESET / P2.0
INT0 / OSCIN / ADC_CH1 / P3.0
ADC_CH5 / STADC / PWM0_CH3 / IC3 / P0.4
P
0
.3
/
P
W
M
0
_
C
H
5
/
I
C
5
/
A
D
C
_
C
H
6
P
0
.2
/
I
C
E
_
C
L
K
/
U
A
R
T
1
_
R
X
D
/[
S
C
L
]
P
0
.1
/
P
W
M
0
_
C
H
4
/
I
C
4
/
S
P
I0
_
M
IS
O
P
0
.0
/
P
W
M
0
_
C
H
3
/
I
C
3
/
S
P
I0
_
M
O
S
I
/
T
1
P
1
.3
/
I
2
C
0
_
S
C
L
/
[
S
T
A
D
C
]
P1.4 / PWM0_CH1 / I2C0_SDA / PWM0_BRAKE
P1.2 / PWM0_CH0 / IC0
P1.1 / PWM0_CH1 / IC1 / ADC_CH7 /CLKO
P1.0 / PWM0_CH2 / IC2 / SPI0_CLK
P1.5 / PWM0_CH5 / IC7 / SPI0_SS
[S
D
A
]
/
U
A
R
T
1
_
T
X
D
/
I
C
E
_
D
A
T
/
P
1
.6
IN
T
1
/
A
D
C
_
C
H
0
/
P
1
.7
U
A
R
T
0
_
R
X
D
/
A
D
C
_
C
H
2
/
P
0
.7
Figure 4.1-2 Pin Assignment of QFN-20 Package
