NuMaker-M252SD
Aug.
02, 2019
Page
35
of 38
Rev 1.00
N
UMA
K
E
R
-M
2
52
S
D
U
S
E
R
MA
N
UA
L
Ma
k
er
Nu
-m
be
d
NUC
47
2
Us
er Man
ua
l
M252 platform
Figure 4-2 shows the M252 platform circuit.
Figure 4-2 M252 platform Circuit
P15
P9
P12
P16
P13
P14
P8
P5
P6
P7
P11
P10
P1
P3
P2
P4
PD2
PD0
PC0_NU4_SDA
PC1_NU4_SCL
J1
HEADER 2.54 5X2 (NC)
1
2
3
4
5
6
7
8
9
10
USB_VBUS
PD3
PD1
TICEDAT
TICECLK
USB_D-
PB12_RXD0
PB13_TXD0
ICE
USB_D+
USB_VDD33_CAP
P42
P37
P38
P44
P43
P39
P40
P41
SW1
3x6x5 2PIN SMD
SW-2P-SMD
P45
C9
10u
C0603
R3
10KR
R0603
P48
USB_VDD33_CAP
P46
P47
RESET
VDD
nRESET
P36
P35
P33
PF0_ICE_DAT
P34
PF1_ICE_CLK
H1
H-3.4X6
1
H4
H-3.4X6
1
H3
H-3.4X6
1
H2
H-3.4X6
1
Mounting Hole
PB7_NU2_A0
PB8
PB9
PB14_LED_R
PB11
VDD_MCU
LDO_CAP
GND
AVSS
VREF
AVDD
PB10
MCU_TX
MCU_RX
PB15_NU5_GPIO
PC14
P50
LDO_CAP
P49
P54
PB14_LED_R
P53
P58
P57
P52
P51
VDD_2
P56
PB12_RXD0
P55
PB13_TXD0
P59
P60
P61
P63
P62
P64
P20
P19
P18
P17
P22
P21
P25
P24
P23
P28
P27
P26
P32
P31
P30
P29
1
2
LEDG1
Green
LED0805
PB6_NU2_A1
PB2_NU3_D0/RX
PB3_NU3_D1/TX
PB4_NU2_A3
PB5_NU2_A2
PA10_NU5_MOSI
PA11_NU5_CLK
PB0_NU2_A4/SDA/RX
PB1_NU2_A5/SCL/TX
PF4_X32_OUT
PF5_X32_IN
PF14
PA9_NU5_MISO
PF6
PA8_NU5_SS
PF3_XT1_IN
P35
P34
P33
P37
P36
P42
P41
P40
P39
P38
P46
P45
P44
P43
P47
P48
GND
PC6
PC7
PF2_XT1_OUT
PA2_NU3_D13/CLK
PD15
PA0_NU3_D11/MOSI
VDDIO
PA1_NU3_D12/MISO
PA3_NU3_D10/SS
VDD_MCU
TICERST
P50
P49
nRESET
PF1_ICE_CLK
PF0_ICE_DAT
P52
P51
R14
100KR
R0603
VDD
P56
P55
P54
P53
R13
100KR
R0603
P60
P59
P58
P57
P62
P61
P64
P63
Tit le
Size
Docum ent Num ber
Rev
Dat e:
Sheet
of
NuMaker-PFM-M252SD
v1.2
M252SD2AE
Custom
2
3
Thursday , February 21, 2019
Bypass Cap
P33 - P48
P17 - P32
P1 - P16
P49 - P64
R7
330R
R0603
C4
0.1u
C0603
C3
0.1u
C0603
C5
1u
C0603
R6
330R
R0603
1
2
LEDR1
Red
LED0805
VDD
VDD_MCU
P21
P22
P17
PF2_XT1_OUT
P18
P25
P24
P23
VDD_1
P19
P20
P30
P29
P28
P26
P27
P32
nRESET
P31
VDDIO
PA5_NU3_D8
PA7_NU3_D6
PA6_NU3_D7
PA4_NU3_D9
PC2_NU3_D5
PC4_NU3_D2
PC5_NU3_D3
PC3_NU3_D4
P2
P1
P6
P5
P4
P3
P7
P8
P9
P11
P10
P12
P13
P14
PF5_X32_IN
P15
PF4_X32_OUT
P16
PF3_XT1_IN
L5
FERRITE BEAD
C15
1u
C0603
U1
<M252SD2AE>
PB.
6/
AD
C
0_C
H
6/
EBI
_nW
R
H
/U
AR
T
1_R
XD
/EBI
_nC
S1/
PW
M
1_BR
AKE1/
PW
M
1_C
H
5/
IN
T
4/
AC
M
P1_O
1
PB.
5/
AD
C
0_C
H
5/
AC
M
P1_N
/I
2C
0_SC
L/
PW
M
0_C
H
0/
U
AR
T
2_T
XD
/T
M
0/
IN
T
0
2
PB.
4/
AD
C
0_C
H
4/
AC
M
P1_P1/
I2C
0_SD
A/
PW
M
0_C
H
1/
U
AR
T
2_R
XD
/T
M
1/
IN
T
1
3
PB.
3/
AD
C
0_C
H
3/
AC
M
P0_N
/I
2C
1_SC
L/
U
AR
T
1_T
XD
/PW
M
0_C
H
2/
PW
M
0_BR
AKE0/
T
M
2/
IN
T
2
4
PB.
2/
AD
C
0_C
H
2/
AC
M
P0_P1/
I2C
1_SD
A/
U
AR
T
1_R
XD
/PW
M
0_C
H
3/
T
M
3/
IN
T
3
5
PB.
1/
AD
C
0_C
H
1/
U
AR
T
2_T
XD
/I
2C
1_SC
L/
PW
M
0_C
H
4/
PW
M
1_C
H
4/
PW
M
0_BR
AKE0
6
PB.
0/
AD
C
0_C
H
0/
U
AR
T
2_R
XD
/SPI
0_I
2SM
C
LK/
I2C
1_SD
A/
PW
M
0_C
H
5/
PW
M
1_C
H
5/
PW
M
0_BR
AKE1
7
PA.
11/
AC
M
P0_P0/
EBI
_nR
D
/U
SC
I0_C
LK/
T
M
0_EXT
8
PA.
10/
AC
M
P1_P0/
EBI
_nW
R
/U
SC
I0_D
AT
0/
T
M
1_EXT
9
PA.
9/
EBI
_M
C
LK/
U
SC
I0_D
AT
1/
U
AR
T
1_T
XD
/T
M
2_EXT
10
PA.
8/
EBI
_ALE/
U
SC
I0_C
T
L1/
U
AR
T
1_R
XD
/T
M
3_EXT
/I
N
T
4
11
PF
.6/
EBI
_AD
R
19/
SPI
0_M
OSI
/EBI
_nC
S0
12
PF
.14/
PW
M
1_BR
AKE0/
PW
M
0_BR
AKE0/
PW
M
0_C
H
4/
C
LKO/
T
M
3/
IN
T
5
13
PF
.5/
U
AR
T
2_R
XD
/U
AR
T
2_nC
T
S/
PW
M
0_C
H
0/
X32_I
N
/AD
C
0_ST
14
PF
.4/
U
AR
T
2_T
XD
/U
AR
T
2_nR
T
S/
PW
M
0_C
H
1/
X32_OU
T
15
PF
.3/
EBI
_nC
S0/
U
AR
T
0_T
XD
/I
2C
0_SC
L/
XT
1_I
N
16
PF.2/EBI_nCS1/UART0_RXD/I2C0_SDA/XT1_OUT
17
PC.7/EBI_AD9/UART0_nCTS/PWM1_CH2/TM0/INT3
18
PC.6/EBI_AD8/UART0_nRTS/PWM1_CH3/TM1/INT2
19
PA.7/EBI_AD7/UART0_TXD/I2C1_SCL/PWM1_CH4/ACMP0_WLAT/TM2/INT1
20
PA.6/EBI_AD6/UART0_RXD/I2C1_SDA/PWM1_CH5/ACMP1_WLAT/TM3/INT0
21
VSS
22
VDD
23
PD.15/PWM0_CH5/TM3/INT1
24
PA.5/UART0_nCTS/UART0_TXD/I2C0_SCL/PWM0_CH0
25
PA.4/SPI0_I2SMCLK/UART0_nRTS/UART0_RXD/I2C0_SDA/PWM0_CH1
26
PA.3/SPI0_SS/UART1_TXD/I2C1_SCL/PWM0_CH2/CLKO/PWM1_BRAKE1
27
PA.2/SPI0_CLK/UART1_RXD/I2C1_SDA/PWM0_CH3
28
PA.1/SPI0_MISO/UART0_TXD/UART1_nCTS/PWM0_CH4
29
PA.0/SPI0_MOSI/UART0_RXD/UART1_nRTS/PWM0_CH5
30
VDDIO
31
nRESET
32
PF
.0/
IC
E_D
AT
33
PF
.1/
IC
E_C
LK
34
PC
.5/
EBI
_AD
5/
U
AR
T
2_T
XD
/I
2C
1_SC
L/
PW
M
1_C
H
0
35
PC
.4/
EBI
_AD
4/
U
AR
T
2_R
XD
/I
2C
1_SD
A/
PW
M
1_C
H
1
36
PC
.3/
EBI
_AD
3/
U
AR
T
2_nR
T
S/
PW
M
1_C
H
2
37
PC
.2/
EBI
_AD
2/
U
AR
T
2_nC
T
S/
PW
M
1_C
H
3
38
PC
.1/
EBI
_AD
1/
U
AR
T
2_T
XD
/I
2C
0_SC
L/
PW
M
1_C
H
4/
AC
M
P0_O
39
PC
.0/
EBI
_AD
0/
U
AR
T
2_R
XD
/I
2C
0_SD
A/
PW
M
1_C
H
5/
AC
M
P1_O
40
PD
.3/
EBI
_AD
10/
U
SC
I0_C
T
L1/
SPI
0_SS/
U
AR
T
0_T
XD
41
PD
.2/
EBI
_AD
11/
U
SC
I0_D
AT
1/
SPI
0_C
LK/
U
AR
T
0_R
XD
42
PD
.1/
EBI
_AD
12/
U
SC
I0_D
AT
0/
SPI
0_M
ISO
43
PD
.0/
EBI
_AD
13/
U
SC
I0_C
LK/
SPI
0_M
OSI
/T
M
2
44
U
SB_VBU
S
45
U
SB_D
-
46
U
SB_D
+
47
U
SB_VD
D
33_C
AP
48
VSS
49
LDO_CAP
50
VDD
51
PC.14/EBI_AD11/SPI0_I2SMCLK/USCI0_CTL0/TM1
52
PB.15/ADC0_CH15/EBI_AD12/SPI0_SS/USCI0_CTL1/UART0_nCTS/PWM1_CH0/TM0_EXT/PWM0_BRAKE1
53
PB.14/ADC0_CH14/EBI_AD13/SPI0_CLK/USCI0_DAT1/UART0_nRTS/PWM1_CH1/TM1_EXT/CLKO
54
PB.13/ADC0_CH13/ACMP0_P3/ACMP1_P3/EBI_AD14/SPI0_MISO/USCI0_DAT0/UART0_TXD/PWM1_CH2/TM2_EXT
55
PB.12/ADC0_CH12/ACMP0_P2/ACMP1_P2/EBI_AD15/SPI0_MOSI/USCI0_CLK/UART0_RXD/PWM1_CH3/TM3_EXT
56
AVDD
57
VREF
58
AVSS
59
PB.11/ADC0_CH11/EBI_ADR16/UART0_nCTS/I2C1_SCL/SPI0_I2SMCLK
60
PB.10/ADC0_CH10/EBI_ADR17/UART0_nRTS/I2C1_SDA
61
PB.9/ADC0_CH9/EBI_ADR18/UART0_TXD/UART1_nCTS
62
PB.8/ADC0_CH8/EBI_ADR19/UART0_RXD/UART1_nRTS
63
PB.7/ADC0_CH7/EBI_nWRL/UART1_TXD/EBI_nCS0/PWM1_BRAKE0/PWM1_CH4/INT5/ACMP0_O
64
ADAVSS
PF2_XT1_OUT
PF3_XT1_IN
R2
0
R5
0
X1
32MHz 49S SMD
XTAL\LP\SMD
C8
20p
C2
20p
HXT & LXT Crystal
X2
SMD 32.768K X3215
9HT9
PF4_X32_OUT
PF5_X32_IN
R1
0
R4
0
C1
20p
C7
20p
C12
0.1u
C14
0.1u
AVDD
VREF
VREF1
NC
1
2
CT3
10uF/10V
1
2
L2
FERRITE BEAD
L4
FERRITE BEAD
ADAVSS
C13
0.01u
LED
C16
1u
C0603
R15
0
VDDIO
NC
1
2
VDD_MCU
C17
0.1u
VDDIO
VDD_MCU
VDD
SW2
SMD HPS602-E
NU1_VIN
USB_VDD33_CAP
PB14_LED_R
UP2
AMS1117_5v
IN
3
GN
D
1
OU
T
2
OU
T
4
1
2
D2
SS24A
VDD
CT5
10uF/10V
TANT-A
1
2
VDD_MCU
1
2
D1
SS24A
NU1_3VCC
UP1
AMS1117_3.3v
IN
3
GN
D
1
OU
T
2
OU
T
4
CT4
10uF/10V
TANT-A
1
2
NU1_5VCC
R16
0
MCUVCC_DIODE
AMMETER
NC
1
2
JP2
NC
1
2
3
4
JP1
NC
1
2
3
4
C11
0.1u
VDD
CT2
10uF/10V
1
2
L1
FERRITE BEAD
Power
ICE5V
NU1_5VCC
NU1_3VCC
USB_VBUS
R12
0(NC)
C6
1u
C0603
LDO_CAP
VDD_2
VDD_1
D-
USB_VBUS
D+
J3
NC
1
2
3
4
5
USB Device
HJ2
micro USB 5pin
MICRO_USB_B
VBUS
1
D-
2
D+
3
GND
5
ID
4
Shield
6
Shield
7
Shield
8
Shield
9
Shield
10
Shield
11
USB_VBUS
D+
D-
D+
D-
USB_D-
USB_D+
C10
0.1u
R9
27
R11
27
CT1
1uF/16V
1
2
L3
FERRITE BEAD
L0603
USB_VBUS
J2
micro USB 5pin
MICRO_USB_AB
VBUS
1
D-
2
D+
3
GND
5
ID
4
Shield
6
Shield
7
Shield
8
Shield
9
Shield
10
Shield
11