NuMaker-M256SD
May 20, 2022
Page
47
of 52
Rev 1.00
N
UMA
K
E
R
-M
2
56
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
5.2
M256SD Target Board
Figure 5-2 shows the M256SD target board circuit.
Figure 5-2 M256SD Target Board Circuit
J1
HEADER 2.54 5X2 (NC)
1
2
3
4
5
6
7
8
9
10
PB12_RXD0
PB13_TXD0
ICE
SW1
3x6x5 2PIN SMD
SW-2P-SMD
C9
10u
C0603
R3
10KR
R0603
RESET
VDD
nRESET
P36
P35
P34
P33
P42
P41
P40
P39
P38
P37
P47
P46
P45
P44
P43
P48
P49
P54
P53
P52
P51
P50
P60
P59
P58
P57
P56
P55
P64
P63
P62
P61
1
2
LEDG1
0805 LED G
LED0805
SW2
SMD HPS602-E
nRESET
PF1_ICE_CLK
PF0_ICE_DAT
R14
100KR
R0603
VDD
R13
100KR
R0603
UP2
AMS1117_5v
IN
3
GN
D
1
OU
T
2
OU
T
4
Tit le
Size
Docum ent Num ber
Rev
Dat e:
Sheet
of
NuMaker-PFM-M256SD
v1.0
M256SD2AE
Custom
2
4
Friday , May 07, 2021
Bypass Cap
NU1_VIN
R7
330R
R0603
1
2
D2
SS24A
C4
0.1u
C0603
C3
0.1u
C0603
C5
1u
C0603
R6
330R
R0603
CT5
10uF/10V
TANT-A
1
2
1
2
LEDR1
0805 LED R
LED0805
VDD
VDD_MCU
PC0_NU4_SDA
PC1_NU4_SCL
PD3
PD1
PD2
PD0
TICEDAT
TICECLK
PA13
PA12
PA14
PA15
P37
P38
P43
P39
P40
P41
P42
P48
P46
P47
P45
P44
PB14_LED_R
P33
PF0_ICE_DAT
P34
PF1_ICE_CLK
P36
P35
GND
PB7_NU2_A0
PB8
PB9
PB10
PB11
VDD_MCU
LDO_CAP
PC14
AVSS
VREF
AVDD
MCU_TX
MCU_RX
PB15_NU5_GPIO
P49
P58
P57
P52
P51
VDD_2
P50
LDO_CAP
P55
PB13_TXD0
P59
P60
P54
PB14_LED_R
P53
P63
P62
P64
P56
PB12_RXD0
PB3_NU3_D1/TX
PB4_NU2_A3
PB5_NU2_A2
PB6_NU2_A1
P61
PA11_NU5_CLK
PB0_NU2_A4/RX
PB1_NU2_A5/TX
PB2_NU3_D0/RX
PF5_X32_IN
PF14
PA9_NU5_MISO
PA10_NU5_MOSI
VLCD
PA8_NU5_SS
PF3_XT1_IN
PF4_X32_OUT
PC6
PC7
PF2_XT1_OUT
GND
PA1_NU3_D12/MISO
PA3_NU3_D10/SS_TK3
PA2_NU3_D13/CLK
PD15_TK0
VDD_MCU
TICERST
PA0_NU3_D11/MOSI
PF15
P33 - P48
P17 - P32
P1 - P16
P17
PF2_XT1_OUT
P18
P49 - P64
P19
P20
P21
P22
P26
P27
P25
P24
P23
VDD_1
P32
nRESET
P31
P30
P29
P28
AMMETER
NC
1
2
R16
0
PA6_NU3_D7
PA4_NU3_D9
PA5_NU3_D8_TK1
PA7_NU3_D6
PC3_NU3_D4
PC2_NU3_D5
P2
P1
PC4_NU3_D2
PC5_NU3_D3
P5
P4
P3
P10
P9
P8
P7
P6
P15
PF4_X32_OUT
P14
PF5_X32_IN
P13
P12
VLCD
P11
P16
PF3_XT1_IN
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
1
2
D1
SS24A
USB Device
L5
FERRITE BEAD
C15
1u
C0603
VDD
VDD_MCU
UP1
AMS1117_3.3v
IN
3
GN
D
1
OU
T
2
OU
T
4
NU1_3VCC
CT4
10uF/10V
TANT-A
1
2
C22
1u
C0603
NU1_5VCC
ADAVSS
VLCD
PF2_XT1_OUT
PF3_XT1_IN
R2
0
R5
0
MCUVCC_DIODE
X1
NC
XTAL\LP\SMD
C8
NC
C2
NC
HXT & LXT Crystal
X2
SMD 32.768K X3215
9HT9
PF4_X32_OUT
PF5_X32_IN
R1
0
R4
0
C1
20p
C7
20p
H2
H-3.4X6
1
H1
H-3.4X6
1
H4
H-3.4X6
1
H3
H-3.4X6
1
Mounting Hole
JP2
NC
1
2
3
4
JP1
NC
1
2
3
4
C12
0.1u
C14
0.1u
VDD_MCU
AVDD
C11
0.1u
VREF
VREF1
NC
1
2
CT2
10uF/10V
1
2
CT3
10uF/10V
1
2
L2
FERRITE BEAD
L4
FERRITE BEAD
Power
ADAVSS
C13
0.01u
LED
VDD
L1
FERRITE BEAD
ICE5V
PB14_LED_R
C10
0.1u
CT1
1uF/16V
1
2
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
L3
FERRITE BEAD
L0603
USB_VBUS
U1
<M256SD2AE>
PB
.6/
EA
D
C
0_
C
H
6/
U
AR
T
1_
R
XD
/LC
D
_S
EG
4/
IN
T
4/
AC
M
P1
_O
1
PB
.5/
EA
D
C
0_
C
H
5/
AC
M
P1
_N
/LC
D
_C
OM
0/
I2C
0_
SC
L/
SC
0_
C
LK
/U
AR
T
2_
T
XD
/T
M
0/
IN
T
0
2
PB
.4/
EA
D
C
0_
C
H
4/
AC
M
P1
_P
1/
LC
D
_C
OM
1/
I2C
0_
SD
A/
SC
0_
D
AT
/U
AR
T
2_
R
XD
/T
M
1/
IN
T
1
3
PB
.3/
EA
D
C
0_
C
H
3/
AC
M
P0
_N
/LC
D
_C
OM
2/
U
AR
T
1_
T
XD
/SC
0_
R
ST
/T
M
2/
IN
T
2
4
PB
.2/
EA
D
C
0_
C
H
2/
AC
M
P0
_P
1/
LC
D
_C
OM
3/
U
AR
T
1_
R
XD
/SC
0_
PW
R
/T
M
3/
IN
T
3
5
PB
.1/
EA
D
C
0_
C
H
1/
LC
D
_S
EG
1/
U
AR
T
2_
T
XD
6
PB
.0/
EA
D
C
0_
C
H
0/
LC
D
_S
EG
0/
U
AR
T
2_
R
XD
/SP
I0_
I2S
M
C
LK
7
PA
.11
/AC
M
P0
_P
0/
U
SC
I0_
C
LK
/BP
W
M
0_
C
H
0/
T
M
0_
EX
T
8
PA
.10
/AC
M
P1
_P
0/
U
SC
I0_
D
AT
0/
BP
W
M
0_
C
H
1/
T
M
1_
EX
T
9
PA
.9/
U
SC
I0_
D
AT
1/
U
AR
T
1_
T
XD
/BP
W
M
0_
C
H
2/
T
M
2_
EX
T
10
PA
.8/
U
SC
I0_
C
T
L1
/U
AR
T
1_
R
XD
/BP
W
M
0_
C
H
3/
T
M
3_
EX
T
/I
N
T
4
11
VL
C
D
12
PF
.14
/C
LK
O/
T
M
3/
IN
T
5
13
PF
.5/
U
AR
T
2_
R
XD
/U
AR
T
2_
nC
T
S/
BP
W
M
0_
C
H
4/
X3
2_
IN
/EA
D
C
0_
ST
14
PF
.4/
U
AR
T
2_
T
XD
/U
AR
T
2_
nR
T
S/
BP
W
M
0_
C
H
5/
X3
2_
OU
T
15
PF
.3/
U
AR
T
0_
T
XD
/I
2C
0_
SC
L/
XT
1_
IN
16
PF.2/UART0_RXD/I2C0_SDA/XT1_OUT
17
PC.7/LCD_SEG39/UART0_nCTS/TM0/INT3
18
PC.6/LCD_SEG38/UART0_nRTS/TM1/INT2
19
PA.7/LCD_SEG37/UART0_TXD/ACMP0_WLAT/TM2/INT1
20
PA.6/LCD_SEG36/UART0_RXD/ACMP1_WLAT/TM3/INT0
21
VSS
22
VDD
23
PD.15/TK_TK0/TM3/INT1
24
PA.5/TK_TK1/UART0_nCTS/UART0_TXD/I2C0_SCL/BPWM0_CH5
25
PA.4/SPI0_I2SMCLK/TK_TK2/SC0_nCD/UART0_nRTS/UART0_RXD/I2C0_SDA/BPWM0_CH4
26
PA.3/SPI0_SS/TK_TK3/SC0_PWR/I2C0_SMBAL/UART1_TXD/BPWM0_CH3/CLKO
27
PA.2/SPI0_CLK/TK_TK4/SC0_RST/I2C0_SMBSUS/UART1_RXD/BPWM0_CH2
28
PA.1/SPI0_MISO/TK_TK5/SC0_DAT/UART0_TXD/UART1_nCTS/BPWM0_CH1
29
PA.0/SPI0_MOSI/TK_TK6/SC0_CLK/UART0_RXD/UART1_nRTS/BPWM0_CH0
30
PF.15/LCD_SEG35/TK_TK7/TM2/CLKO/INT4
31
nRESET
32
PF
.0/
IC
E_
D
AT
33
PF
.1/
IC
E_
C
LK
34
PC
.5/
LC
D
_S
EG
31
/LC
D
_C
OM
4/
T
K_
T
K9
/U
AR
T
2_
T
XD
35
PC
.4/
LC
D
_S
EG
30
/LC
D
_C
OM
5/
T
K_
T
K1
0/
U
AR
T
2_
R
XD
36
PC
.3/
LC
D
_S
EG
29
/LC
D
_C
OM
6/
T
K_
T
K1
1/
U
AR
T
2_
nR
T
S/
I2C
0_
SM
BA
L
37
PC
.2/
LC
D
_S
EG
28
/LC
D
_C
OM
7/
T
K_
T
K1
2/
U
AR
T
2_
nC
T
S/
I2C
0_
SM
BS
U
S
38
PC
.1/
LC
D
_S
EG
27
/LC
D
_C
OM
2/
U
AR
T
2_
T
XD
/I
2C
0_
SC
L/
AC
M
P0
_O
39
PC
.0/
LC
D
_S
EG
26
/LC
D
_C
OM
3/
U
AR
T
2_
R
XD
/I
2C
0_
SD
A/
AC
M
P1
_O
40
PD
.3/
U
SC
I0_
C
T
L1
/SP
I0_
SS
/LC
D
_S
EG
25
/T
K_
T
K1
3/
U
AR
T
0_
T
XD
41
PD
.2/
U
SC
I0_
D
AT
1/
SP
I0_
C
LK
/LC
D
_S
EG
24
/T
K_
T
K1
4/
U
AR
T
0_
R
XD
42
PD
.1/
U
SC
I0_
D
AT
0/
SP
I0_
M
ISO
/LC
D
_S
EG
23
/T
K_
T
K1
5
43
PD
.0/
U
SC
I0_
C
LK
/SP
I0_
M
OS
I/
LC
D
_S
EG
22
/T
K_
T
K1
6/
T
M
2
44
PA
.12
/LC
D
_S
EG
20
/LC
D
_S
EG
47
45
PA
.13
/LC
D
_S
EG
19
/LC
D
_S
EG
46
46
PA
.14
/U
AR
T
0_
T
XD
/LC
D
_S
EG
18
/LC
D
_S
EG
45
47
PA
.15
/U
AR
T
0_
R
XD
/LC
D
_S
EG
17
/LC
D
_S
EG
44
48
VSS
49
LDO_CAP
50
VDD
51
PC.14/SPI0_I2SMCLK/USCI0_CTL0/LCD_SEG14/LCD_COM0/TM1
52
PB.15/EADC0_CH15/SPI0_SS/USCI0_CTL1/UART0_nCTS/LCD_SEG13/LCD_COM1/TM0_EXT
53
PB.14/EADC0_CH14/SPI0_CLK/USCI0_DAT1/UART0_nRTS/LCD_SEG12/TM1_EXT/CLKO/TK_SE
54
PB.13/EADC0_CH13/ACMP0_P3/ACMP1_P3/SPI0_MISO/USCI0_DAT0/UART0_TXD/LCD_SEG11/TM2_EXT
55
PB.12/EADC0_CH12/ACMP0_P2/ACMP1_P2/SPI0_MOSI/USCI0_CLK/UART0_RXD/LCD_SEG10/TM3_EXT
56
AVDD
57
VREF
58
AVSS
59
PB.11/EADC0_CH11/UART0_nCTS/LCD_SEG9/SPI0_I2SMCLK
60
PB.10/EADC0_CH10/UART0_nRTS/LCD_SEG8/LCD_V1
61
PB.9/EADC0_CH9/UART0_TXD/UART1_nCTS/LCD_SEG7/LCD_V2
62
PB.8/EADC0_CH8/UART0_RXD/UART1_nRTS/LCD_SEG6/LCD_V3
63
PB.7/EADC0_CH7/UART1_TXD/LCD_SEG5/INT5/ACMP0_O
64
LDO_CAP
VDD_2
VDD_1
P15
P16
P10
P11
P12
P13
P14
P4
P5
P6
P7
P8
P9
P1
P2
P3
NU1_3VCC
NU1_5VCC
R12
0
P29
P30
P31
P32
P24
P25
P26
P27
P28
P18
P19
P20
P21
P22
P23
P17