User manual
Page 12
8. Schematic
R1
1K
PWR
VCC-3.3V VCC-3.3V
E1
10uF
C1
100nF
C2
100nF
C3
100nF
C4
100nF
C5
100nF
C6
100nF
C7
100nF
FP1
MH2029-300Y
VCC-3.3V
E2
10uF
VDDANA
C8
100nF
FP2
MH2029-300Y
VCC-3.3V
E3
10uF
VDDOUTMI
1
2
3
4
5
6
JP3
JJ HDR 1x6
1
2
3
4
5
6
7
8
JP4
JJ HDR 1x8
1
2
3
4
5
6
7
8
JP2
JJ HDR 1x8
1
2
3
4
5
6
7
8
9
10
JP1
JJ HDR 1x10
AN
RST
CS
SCK
MISO
MOSI
3.3V
GND
PWM
INT
RX
TX
SCL
SDA
5V
GND
VCC-3.3V VCC-5V
D
AN
RST
CS
SCK
MISO
MOSI
3.3V
GND
PWM
INT
RX
TX
SCL
SDA
5V
GND
VCC-3.3V VCC-5V
C
AD3 PWM9 AD2 PWM8
AN
RST
CS
SCK
MISO
MOSI
3.3V
GND
PWM
INT
RX
TX
SCL
SDA
5V
GND
VCC-3.3V VCC-5V
B
AN
RST
CS
SCK
MISO
MOSI
3.3V
GND
PWM
INT
RX
TX
SCL
SDA
5V
GND
VCC-3.3V VCC-5V
A
AD1 PWM7 AD0 PWM6
126
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
125
124
123
122
121
117
118
119
120
116
115
114
113
112
111
110
109
106
108
107
102
103
104
105
73
30
29
28
27
34
33
58
57
56
55
54
53
52
46
36
35
42
43
44
45
37
50
9
48
49
11
12
32
72
69
68
67
66
65
64
63
4
3
78
77
24
23
18
17
16
15
14
13
5
6
7
8
10
79
80
1
2
22
21
20
19
62
61
60
59
38
39
40
41
47
71
31
51
70
26
25
76
75
74
AT91SAM3X8E
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
XOUT
VDDPLL
GNDPLL
PD10
DFSDP
VDDUTMI
PA12
PA13
PA14
PA15
NRST
PB27
PC9
VDDOUT
GNDUTMI
DFSDM
VDDBU
FWUP
GNDBU
PC1
VDDCORE
JTAGSEL
PB20
PB19
PB18
PC11
PB17
PB13
PA3
PA4
PA11
PA10
PC16
PC15
PC14
PC13
PC12
PB21
GND
PB28
PA0
PD9
PD8
PD7
PD6
PD5
PA19
PA18
PC7
PD1
VDDIO
VDDCORE
DHSDM
PC17
PC18
PB26
PA9
PA8
PA7
PA5
PA1
XOUT32
SHDN
PC8
PC3
NRSTB
XIN32
VDDIN
VBUS
DHSDP
GND
VDDCORE
PB12
PD4
PD3
PD2
XIN
VBG
PC2
PC6
PA2
PB31
PB30
PB29
PD0
PA17
VDDIO
PC5
PA20
PA16
PB15
VDDANA
GNDANA
ADVREF
PB16
PA24
PA23
PA22
PA6
PC19
PC30
PA25
PA21
GND
VDDIO
VDDCORE
PC29
PB10
PB9
VDDIO
PC0
VDDCORE
PB8
PB5
PB4
PC24
PC23
PC22
PC21
PC20
PB11
PC25
PC26
PB7
PB6
PB1
PA29
PA26
PA27
PA28
PB0
PB2
PC4
PC10
PB3
PC27
PB14
GND
PB25
PB24
PB23
PB22
PC28
101
TST
U1
VDDOUT
C9
100nF
FP3
MH2029-300Y
VDDOUT
E4
10uF
VDDPLL
VDDPLL
VDDOUTMI
VDDANA
VCC-3.3V
X1
12MHz
C10
22pF
C11
22pF
XOUT
XIN
T1
X2
32.768KHz
C12
22pF
C13
22pF
XIN32
XOUT32
0R
MRST
C14
10nF
VCC-3.3V
MRST
R3
6K8 1%
C15
22pF
27R
27R
VBG
XUSB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
XTAL1
XTAL2
GND
VCC
PC2
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PB0
PC6
PC7
UGND
UCAP
PC4
PC5
PB7
PB4
PB6
PB5
PB3
PB2
PB1
RST
29
30
31
32
AVCC
UVCC
D-
D+
U2
U2_VCC-USB
U2_USBD_N
U2_USBD_P
CR1 CR2
R6
100K
C16
10nF
U2_USBD_N
U2_USBD_P
FP4
MH2029-300Y
22R
22R
U2_VCC-USBVCC-5V
C17
100nF
X3
16MHz
C18
22pF
C19
22pF
C20
1uF
10K
R10
1K
CMD_ERASE
CMD_RESET
R11
1K
CMD_RESET
U2_RX_LED
U2_TX_LED
RX
TX
R12
1K
R13
1K
VCC-5V
U2_RX_LED
U2_TX_LED
OE
1
A
2
GND
3
Y
4
VCC
5
U3
SN74LVC1G125
U2_TX
U2_TX
C21
100nF
VCC-3.3V
RX
TX
TX
RX
Q1
FDN340P
ERASE
ERASE
CMD_ERASE
VCC-3.3V
R14
10K
VCC-USB
CR3 CR4
C22
10nF
FP5
MH2029-300Y
CR5
XUSB
E5
10uF
R15
10K
USBD_N
USBD_P
USBD_N
USBD_P
UOTGID
UOTGID
VCC-USB
U2_RESET
U2_MISO
U2_MOSI
U2_SCK
100K
VDDOUT
E7
10uF
C23
100nF
C24
100nF
C25
100nF
C26
100nF
C27
100nF
C28
100nF
VBG
1IN+
1
GND
2
1IN-
3
OUT
4
VCC
5
U4
LMV321IDBVR
Q2
FDN340P
Q3
FDN340P
VCC-5V VCC-USB U2_VCC-USBVCC-3.3V
C29
100nF
R18
100K
R17
100K
VIN
R19
100K
R20
1K
Q4
BC846
UOTGVBOF
Flash erase: Low level at startup.
Datasheet page 29
UOTGVBOF
3
1
2
GND
Vin
Vout
REG2
LD29080DT33
VCC-5V
C30
100nF
E8
10uF
VCC-5V
E9
10uF
VCC-3.3V
FP6
MH2029-300Y
1
2
3
5
4
6
BOOST
GND
FB EN
VIN
SW
REG1
LM2734
VIN
E10
10uF
R21
10K
D1
CD1206-S01575
D2
PMEG3010ER
VCC-5V
C31
10nF
R22
52K3
R23
10K
E11
10uF
L1
10uH
VCC-5V
1
3
2
POWER
JJ Jack Power
D3
PMEG3010ER
FP7
MH2029-300Y
E16
10uF
VIN
1
2
3
4
5
GND
ID
D+
D-
VBUS
CN1
USB MICRO
1
2
3
4
5
GND
ID
D+
D-
VBUS
CN2
USB MICRO
6
8
109
7
5
1 2
3 4
JTAG
JTAG_TMS
JTAG_TCK
JTAG_TDO
JTAG_TDI
MRST
VCC-3.3V
R24
100K
R25
100K
R26
100K
R27
100K
65
1 2
3 4
ICSP
65
1 2
3 4
SPI
L
R28
1K
B
R29
1K
A
R30
1K
C
R31
1K
D
R32
1K
PWM12
PWM11
RXD3
TXD3
AD0
AD1
AD2
AD3
AD4
AD5
AD0
AD1
AD2
AD3
AD4
AD5
PWM9
PWM8
PWM7
PWM6
PWM5
RXD0
TXD0
RXD1
TXD1
SPI0_MISO
SPI0_MOSI
SPI0_SCK
SPI0_MOSI
SPI0_MISO
SPI0_SCK
MRST
VCC-5V
U2_MISO
U2_SCK
U2_RESET
U2_MOSI
VCC-5V
VCC-5V
R33
10K
D4
CD1206-S01575
JTAG_TCK
JTAG_TDI
JTAG_TDO
JTAG_TMS
I2C0_SDA
I2C0_SCL
I2C1_SDA
I2C1_SCL
I2C0_SCL
I2C0_SDA
I2C0_SCL
I2C0_SDA
I2C0_SCL
I2C0_SDA
I2C1_SCLI2C1_SCL
I2C1_SDA I2C1_SDA
RXD0
TXD0
RXD1
TXD1
RXD3
TXD3
RXD0
TXD0
PWM13
PWM2
PA29
PWM3
PWM2
PWM3
PWM5
PWM6
PWM7
PWM8
PWM9
PWM10
PWM11
PWM12
PWM13
PWM10
SPI0_CS0
SPI0_CS0
SPI0_MOSI
SPI0_MISO
SPI0_SCK
SPI0_MOSI
SPI0_MISO
SPI0_SCK
MRST
VCC-3.3V VCC-5V
VIN
SPI0_CS3
SPI0_CS3
SPI0_MOSI
SPI0_MISO
SPI0_SCK
SPI0_MOSI
SPI0_MISO
SPI0_SCK
PA29
PA29
RXD3
TXD3
SPI0_CS2
SPI0_CS2
INTA
INTB
INTC
INTD
RSTA
RSTB
RSTC
RSTD
LEDA
LEDB
LEDC
LEDD
LEDA
LEDB
LEDC
LEDD
PWM13
INTAINTBINTCINTD RSTARSTBRSTCRSTD
AVREF
FP8
C32
100nF
C33
100nF
R34
1K8
R35
1K8
R36
1K8
R37
1K8
I2C0_SCL
I2C0_SDA
I2C1_SCL
I2C1_SDA
VCC-3.3V
USBD_P
USBD_N
FM1 FM2 FM3 FM4