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