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Extension Connector
Figure 4-3 shows extension connectors of NuMaker-M252SD.
P1 - P16
JP3
P1
P1
PB6_NU2_A1
1
2
P2
P2
PB5_NU2_A2
3
4
P3
P3
PB4_NU2_A3
5
6
P4
P4
PB3_NU3_D1/TX
7
8
P5
P5
PB2_NU3_D0/RX
9
10
P6
P6
PB1_NU2_A5/SCL/TX
11
12
P7
P7
PB0_NU2_A4/SDA/RX
13
14
P8
P8
PA11_NU5_CLK
15
16
P9
P9
PA10_NU5_MOSI
17
18
P10
P10
PA9_NU5_MISO
19
20
P11
P11
PA8_NU5_SS
21
22
P12
P12
PF6
23
24
P13
P13
PF14
25
26
P14
P14
PF5_X32_IN
27
28
P15
P15
PF4_X32_OUT
29
30
P16
P16
PF3_XT1_IN
31
32
HEADER 2.54 16X2 (NC)
P17 - P32
JP5
P17
P17
PF2_XT1_OUT
1
2
P18
P18
PC7
3
4
P19
P19
PC6
5
6
P20
P20
PA7_NU3_D6
7
8
P21
P21
PA6_NU3_D7
9
10
P22
P22
11
12
GND
P23
P23
13
14
VDD_MCU
P24
P24
PD15
15
16
P25
P25
PA5_NU3_D8
17
18
P26
P26
PA4_NU3_D9
19
20
P27
P27
PA3_NU3_D10/SS
21
22
P28
P28
PA2_NU3_D13/CLK
23
24
P29
P29
PA1_NU3_D12/MISO
25
26
P30
P30
PA0_NU3_D11/MOSI
27
28
P31
P31
VDDIO
29
30
P32
P32
TICERST
31
32
HEADER 2.54 16X2 (NC)
External Connector
Aug.
02, 2019
P33 - P48
JP4
P33
P33
TICEDAT
1
2
P34
P34
TICECLK
3
4
P35
P35
PC5_NU3_D3
5
6
P36
P36
PC4_NU3_D2
7
8
P37
P37
PC3_NU3_D4
9
10
P38
P38
PC2_NU3_D5
11
12
P39
P39
PC1_NU4_SCL
13
14
P40
P40
PC0_NU4_SDA
15
16
P41
P41
PD3
17
18
P42
P42
PD2
19
20
P43
P43
PD1
21
22
P44
P44
PD0
23
24
P45
P45
USB_VBUS
25
26
P46
P46
USB_D-
27
28
P47
P47
USB_D+
29
30
P48
P48
USB_VDD33_CAP
31
32
HEADER 2.54 16X2 (NC)
P49 - P64
JP6
P49
P49
1
2
GND
P50
P50
LDO_CAP
3
4
P51
P51
VDD_MCU
5
6
P52
P52
PC14
7
8
P53
P53
PB15_NU5_GPIO
9
10
P54
P54
PB14_LED_R
11
12
P55
P55
MCU_TX
13
14
P56
P56
MCU_RX
15
16
P57
P57
AVDD
17
18
P58
P58
VREF
19
20
P59
P59
AVSS
21
22
P60
P60
PB11
23
24
P61
P61
PB10
25
26
P62
P62
PB9
27
28
P63
P63
PB8
29
30
P64
P64
PB7_NU2_A0
31
32
HEADER 2.54 16X2 (NC)
Figure 4-3 Extension Connectors Circuit
Page 36 of 38
NuMaker-M252SD
NU4
I2C_SCL
NU1
I2C_SDA
1
NC
VREF
2
VDD
VDD
3
TICERST
MCU_RESET
4
NU1_3VCC
3VCC
5
NU1_5VCC
5VCC
6
GND
VSS
7
GND
VSS
8
NU1_VIN
VIN
HEADER 2.54 8X1 f emale
HEADER 2.54 10X1 f emale
NU2
NU3
1
PB7_NU2_A0
A0
2
PB6_NU2_A1
A1
3
PB5_NU2_A2
A2
4
PB4_NU2_A3
A3
5
PB0_NU2_A4/SDA/RX
A4/SDA
6
PB1_NU2_A5/SCL/TX
A5/SCL
HEADER 2.54 6X1 f emale
HEADER 2.54 8X1 f emale
NU5
1
PA9_NU5_MISO
SPI0_MISO
VCC
3
PA11_NU5_CLK
SPI0_CLK
SPI0_MOSI
5
TICERST
RESET
GND
7
PA8_NU5_SS
SPI0_SS
GPIO
header 2.54 2X4 ¤½ (¥¿ -±)
UNO Interface
Ti t l e
NuMaker-PFM-M252SD
Si z e
D ocum ent N um ber
Ext. Connector
Custom
D at e:
Friday , January 18, 2019
10
PC1_NU4_SCL
9
PC0_NU4_SDA
8
VREF
7
GND
VSS
6
PA2_NU3_D13/CLK
D13
5
PA1_NU3_D12/MISO
D12
4
PA0_NU3_D11/MOSI
D11
3
PA3_NU3_D10/SS
D10
2
PA4_NU3_D9
D9
1
PA5_NU3_D8
D8
8
PA6_NU3_D7
D7
7
PA7_NU3_D6
D6
6
PC2_NU3_D5
D5
5
PC3_NU3_D4
D4
4
PC5_NU3_D3
D3
3
PC4_NU3_D2
D2
2
PB3_NU3_D1/TX
D1
1
PB2_NU3_D0/RX
D0
2
VDD
4
PA10_NU5_MOSI
6
GND
8
PB15_NU5_GPIO
R ev
v1.2
Sheet
of
3
3
Rev 1.00
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