Datasheet

Page 9
6. Schematics
VCC-USB
C35 2.2uF
R37
39K
R34
287K
1
2
3
IN
GND
OUT
5
4
EN ADJ
U4
AP7331-ADJ
C33
10uF
VCC-3.3V
D1
PMEG3010ER
R38
OR
AN
RST
CS
SCK
MOSI
MISO
+3.3V
GND
PWM
INT
RX
TX
SCL
SDA
+5V
GND
MIKROBUS DEVICE CONN.
R3
2K2
LD3
VCC-3.3V
PWM
VCC-USB
FP1
FERRITE
R26 220
1
2
3
4
5
GND
ID
D+
D-
VBUS
CN3
USB MINIB
USB-DET
USB-D_N
USB-D_P
INT
UART3-TX
UART3-RX
I2C1-SCL
I2C1-SDA
LEFT
RIGHT
C12
10nF
C10
47nF
C11
10nF
GBUF
C34
2.2uF
2
3
4
5
6
7
11
12
13 14
25
24
23
22 21
18
17
16
15
8
1
19
9
10 27
26
20
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43 44
45
46 47 48
MICP/LN1
MICN
XRESET
DGND0
CVDD0
IOVDD0
CVDD1
DREQ
GPIO2
GPIO3
GPIO6
GPIO7
XDCS/BSYNC IOVDD1 VC0
DGND1
XTAL0 XTAL1 IOVDD2 DGND2
DGND3 DGND4
XCS CVDD2
GPIO5
RX
TX
SCLK
SI
SO
CVDD3
XTEST
GPIO0
GPIO1
GND
GPIO4
AGND0
AVDD0 AVDD2
AGND1 AGND2
AGND3
LN2
LEFT
RCAP
AVDD1
GBUF
RIGHT
VS1053
U2
1
2
3
IN
GND
OUT
5
4
EN ADJ
U3
AP7331-ADJ
R33
100K
R35
27K4
R36
1K
R12
10
R13
10
R14
10
R5 10
R9 10
VCC-1.8VVCC-3.3V
LEFT
RIGHT
GBUF
R23
10K
GPIO GPIO
R15
10K
VCC-3.3V
R19 27
MP3-MISO
MP3-MOSI
MP3-SCLK
MP3-DCS
MP3-DREQ
MP3-RST#
MICN
MP3-CS#
X1
12.288MHz
R24 1M
C19
18pF
C18
18pF
R17
10K
R22
10K
VCC-3.3V
VCC-3.3V VCC-1.8V
R16
1K
R18
1K
VCC-3.3V
MICP
C14 100pF
R7
10
R8
10
MICP
3
1
2
4
6
5
CN2
SJ- 43516-SMT
MICN
C16 100pF
C15
100PF
R20
1K
R21
1K
1
2
MIC1
MICROPHONE
30
29
28
27
34
33
58 57
56
55
54
53
52
47
36
35
43
44
45
46
37
38
9
49
50
11
12
32
64
63
4
3
24
23
18
17
16
15
14
13
5
6
7
8
10
1
2
22
21
20
19
62
61
60
59
39
40
41
42
48
31
51
26
25
PC3
PC8
PB1 PD2
PB3
PB2
PA13
PA12
PA11
PA10
PA9
PA8
PC9
PB14
PB12
PB13
PB15
PC7
PC6
VDD
VCAP2
PB4
PC12 PC11 PC10
PA15
PA14
PB9
PB8
BOOT0
PB7 PB6
PB5
VSS
VDD
PC15
PC14
VBAT
PC13
PH0
PH1
NRST
PC0
PC2
PC1
PA2
PA1
PA0
VDDA
VSSA
PB0
PC5
PC4
PA7
PB11
PB10
VDD VCAP1
VSS
PA3 VDD PA4
PA5
PA6
STM32F415RG
U1
USB-DET
USB-D_N
USB-D_P
USB-ID
C13
2.2uF
C17
2.2uF
VCC-3.3V
RST#
MP3-MISO
MP3-MOSI
MP3-SCLK
MP3-CS#
SPI1-MISO
SPI1-MOSI
SPI1-SCLK
SPI1-CS#
SPI1-MISO
SPI1-MOSI
SPI1-SCLK
SPI1-CS#
I2C1-SCL
I2C1-SDA
IO9-PA0
IO8-PA1
IO7-PA2
IO3-PA3
IO2-PB0
IO1-PB1
1
2
3
4
5
6
7
8
HD1
1
2
3
4
5
6
7
8
HD2
VCC-3.3V VCC-3.3V
IO6-PC9
IO5-PC8
IO4-PC7
IO6-PC9
IO5-PC8
IO4-PC7
IO9-PA0
IO8-PA1
IO7-PA2
UART3-TX
UART3-RX
IO12-PC0
IO11-PC1
IO10-PC2
IO12-PC0
IO11-PC1
IO10-PC2
IO3-PA3
IO2-PB0
IO1-PB1
MP3-RST#
MP3-DREQ
MP3-DCS
INT
PWM
C21
100nF
USB-ID
SW1
VCC-3.3V
R25
10K
C20
100nF
SW1-PB10
SW2
VCC-3.3V
R31
10K
C32
100nF
SW2-PD2
LD1LD2
R1
4K7
R2
4K7
LD1-PB2
LD2-PC12
LD1-PB2 LD2-PC12
SW1-PB10
SW2-PD2
R6 470
C8
3.3nF
R4
100K
R10470
C9
3.3nF
R11
100K
1
2
3
HD3
R29
10K
R30
10K
R28
10K
VCC-3.3V
VCC-3.3V
C1
100nF
C2
100nF
C3
100nF
C4
100nF
C5
100nF
C6
2.2uF
VCC-3.3V
TMS-SWDIO
TCK-SWCLK
6
8
109
7
5
1 2
3 4
CN4
JTAG
VCC-3.3V
TMS-SWDIO
TCK-SWCLK
RST#
C31
100nF
C30
100nF
C28
100nF
C25
100nF
C29
100nF
C22
100nF
C23
100nF
C24
100nF
C26
100nF
VCC-1.8VVCC-3.3V
C27
100nF
C7
1uF
R
L
G
C38 10uF
C39 10uF
C40
10uF
C41
10uF
C42
10uF
C43
10uF
R39
10K
C44
100nF
RST#