Datasheet

S C H E M A T I C
f o r S T M 3 2 C A P A C I T I V E
LAN-LED1
LAN-LED2
VCC-ETH
ACTIVE LINK
VCC-ETH
VCC-ETH
C48
0.1µF
C49
0.1µF
C50
0.1µF
C45
0.1µF
LD1
LD2
R23 1.5k
FB2
FERRITE
ETH-RXD1
ETH-RXD0
ETH-CRS_DV
ETH-MDIO
ETH-TXD0
ETH-TXEN
ETH-RST#
ETH-CLKO
ETH-MDC
ETH_CRS_DV
ETH_RXD0
ETH_RXD1
ETH_TXD0
ETH_TXD1
ETH_TXEN
ETH_MDIO
ETH_RST#
ETH_CLKO
ETH_MDC
ETH-TXD1
ETH-INT#
ETH_INT#
ETH-TXD0
ETH-TXD1
ETH-RXD0 ETH-RXD1
ETH-CRS_DV ETH-MDIO
ETH-RST#
ETH-CLKO
ETH-MDC
ETH-TXEN
ETH-INT#
ETH-TX_N
ETH-TX_P
ETH-RX_N
ETH-RX_P
ETH-TX_N
ETH-TX_P
ETH-RX_N
ETH-RX_P
ETH
ETH
ETH-TX_N
ETH-TX_P
ETH-RX_N
ETH-RX_P
2
3
4
5
6
7
11
12
13
14
24
23
22
21
18
17
16
15
8
1
19
9
10
20
VDD2A
LED1
LED2
XTAL2
XTAL1
VDDCR
RXD1 RXD0 VDDIO RXER CRS_DV
MDIO
MDC
nINT
nRST
TXEN
TXD0
TXD1
TXP
RXP
Rbias
RXN
TXN
VDD1A
LAN8720A
GND
U4
LAN8720A
R17
10k
R15
12.1k
C47
10µF
VCC-3V3
ETH-RXER
ETH-RXER
ETH_RXER
C44
2.2µF
R22
220
R16
220
VCC-ETH
Ethernet
R2427 R2527 R2627
R18 27
R19 27
R20 27
LEFT
RIGHT
GBUF
LEFT RIGH T GBU
F
GPIO GPIO
MP3-SOUT
MP3-SIN
MP3-SCLK
MP3-D CS
MP3-DREQ
MP3-RST#
MICN
MP3-CS#
LN-IN _R
LN-IN_L
MICP
LN-IN_R
LINE-OUT_L
LINE-OUT_R
MP3-SOUT
MP3-SIN
MP3-SCLK
MP3-DCS
MP3-DREQ
MP3-RST#
MP3-CS#
MP3_CS#
MP3_SCLK
MP3_SIN
MP3_SOUT
MP3_RST#
MP3_DREQ
MP3_DCS
LINE-IN_R
LINE-IN_L
MIC/LN-IN_L
MICP
LN-IN_L
MIC/LN-IN_L
2
3
4
5
6
7
11
12
13
1
4
25
2
4
23
2
2
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 4
2
43 44 45 46 47 48
MICP/LN1
MICN
XRESET
DGND0
CVDD0
IOVDD0
CVDD1
DREQ
GPIO2
GPIO3
GPIO6
GPIO7
XDCS /BSY NC
IOVD D1
V
C0
DGND 1 X
T
AL0
XTAL1 IOVD D2
DGND 2 DGND 3 DGND 4
XCS
CVDD2
GPIO5
RX
TX
SCLK
SI
SO
CVDD3
XTEST
GPIO0
GPIO1
GND
GPIO4
AGND 0
AVDD0 AVDD2
AGND 1 AGND 2 AGND 3
LN2
LEFT
RCAP
AVDD1
GBUF
RIGH T
VS1053
U10
VS1053
C108
0.1µF
X3
12.288 MHz
C110100
0
0
p
F
C11110000pF
C109
1µF
C112
1µF
R71470
R72470
R55 470
R57 470
C98
10µF
C100
10µF
R58
100k
R56
100k
C104
10000pF
C105
10000pF
C107
10µF
C103 0.1µF
R59
1k
R60
1k
R63
10
R64
10
R66
10
R67
10
R68
10
R61 10
R62 10
C101
3300pF
C99
3300pF
1µF
3
1
2
4
CN6
SJ-43514
LINE-OUT_L
LINE-OUT_R
LINE-IN_R
LINE-IN_L
1
2
3
JP3
SEL JMP 0805 SMD
R69
10k
R74
10k
R73
10k
C113
22pF
C114
22pF
VCC-3V3
C102
C116
0.1µF
C117
0.1µF
C118
0.1µF
C119
0.1µF
C120
0.1µF
C121
0.1µF
C122
0.1µF
C123
0.1µF
C124
0.1µF
C125
0.1µF
C115
10µF
VCC-1V8
VCC-1V8
VCC-3V3
VCC-3V3
VCC-3V3
VCC-3V3
R75
1M
R65
10k
R70
27
C106
47nF
MP3
1
2
3
IN
GND
OUT
5
4
EN ADJ
U15
AP7331
C153
2.2µF
VCC-1V8
R110
56k
VCC-3V3
C154
4.7µF
R109
200k
1
2
3
IN
GND
OUT
5
4
EN ADJ
U17
AP7331
C163
2.2µF
R118
100k
VCC-3V3 VCC-1V2
C164
4.7µF
R116
200k
µF
Buck 5V
VDD''
VDD''
C161
47µF
VIN
VIN
DL
1
PGND
2
DH
3
PVIN
4
LX
5
BST
6
PVIN
7
PVIN
8
AGND
13
FB
14
PG
15
EN
16
VIN
17
ILIM
18
VDD
19
PVDD
20
SW
21
PGND
22
P
GND
23
FREQ
24
PVIN
9
PG
ND
10
PGND
11
SW
12
25
PVIN
PGND
SW
27
26
U16
MIC28511-2YFL-T5
VCC-5V
R112
100k
C167
33 uF
C166
1µF
C159
220
C162
1µF
L11
6.8µH
C160
1500pF
R111
680k
D13
1N4148WT-7
C157
2.2µF
R120
10
C168
0.10µF
R117
2.2k
R114
100k
C165
0.10µF
R115
10.2K
R122
1.91K
VDD'
VDD'
C146
47µF
VIN
VIN
DL
1
PGND
2
DH
3
PVIN
4
LX
5
BST
6
PVIN
7
PVIN
8
AGND
13
FB
14
PG
15
EN
16
VIN
17
ILIM
18
VDD
19
PVDD
20
SW
21
PGND
22
PGND
23
FREQ
24
PVIN
9
PGN
D
10
PGND
11
SW
12
25
PVIN
PG
ND
SW
27
26
U13
MIC28511-2YFL-T5
VCC-3V3
R94
100k
C151
33 uF
C150
1µF
C144
220
µF
C147
1µF
L9
6.8µH
C145
1500pF
Buck 3V3
R93
100k
DNP
D11
1N4148WT-7
C142
2.2µF
R99
10
C152
0.10µF
R98
2.2k
R96
100k
C148
0.10µF
R106
3.3k
R97
10.5K
VCC-EXT
VIN
1
PPR
2
CHG
3
EN
4
GND
5
FAST
6
ISET
7
BAT
8
9
EPAD
U14
MC34671AEPR2
R107
27k
R100
6k8
BAT
R105
10k
C143
1µF
C149
10µF
LD4
CHG
R103
10k
VCC-3V3
STATUS
Q8
ZXTN620MATA
R95
1k
DZ2
TDZ10J,115
3
1
2
Q7
BSS138
3
1
2
Q5
BSS138
3
1
2
Q6
BSS138
R101
100k
R102
100k
R108
100k
VCC-3V3
Vin-CHG
R104
2.2k
VCC-USB
3 4
5
Q15B
DMP1046UFDB-7
R136
10k
LED driver
1
2
3
SW
GND
VIN
5
4
FBEN
U11
TPS61041DBVR
C129
10µF
DZ1
LED+
VCC-5V
LED-
R79
34
BCKL
L6
10µH
C130
1µF
D2
PMEG3010ER,115
TB1
D3
L5
2.2µH
C127
10µF
C128
47µF
C126
10µF
VCC-EXT
D9
L8
2.2µH
C137
10µF
C139
47µF
C136
10µF
VCC-BATBAT
R92
1M
BAT_SENSE
R87
1.1 MOhms
1
2
3
CN7
PJ-002AH-SMT-TR
Input
12V
R88
1
R76
1
2
1
CN9
SHM1x2
R1
R2
Q17
PDTC114EU
R121
10k
VCC-3V3
DC_DETECT
VCC-5V
R113
47k
USB-VBUS
D12
PMEG3010ER,115
6 1
2
Q3A
DMP1046UFDB-7
34
5
Q3B
DMP1046UFDB-7
61
2
Q4A
DMP1046UFDB-7
C158
47µF
VCC-USB
C155
10µF
C156
10µF
L10
2.2µH
R140
10k
USB_PSW
R119
10k
VCC-5V
R138
5.1k
USB_PSW!
USB_PSW!
3
1
2
Q16
BSS138
3
1
2
Q9
BSS138
3
1
2
Q18
BSS138
D5 D6
VCC-5VUSB-VBUS
R139
12.1k
DZ4
MM3Z3V3B
BUZZER
IR_TX
LED_R
LED_G
BUZZER
IR_TX
LED_R
LED_G
TEMP
TEMP
PZ1
BUZZER
R123
1k
R1
R2
Q10
PDTC114EU
1
2
3
VDD
VOUT
GND
U20
MCP9700A
C174
0.1µF
C175
0.1µF
R128
100
R1
R2
Q13
PDTC114EU
R1
R2
Q12
PDTC114EU
R1
R2
Q11
PDTC114EU
R126
2.2k
R124
2.2k
LED_B
LED_B
BU
Z
ZER
LED_ R LE
D
_G
LED_ B
TEMP
VCC-3V3
A2
A1C1
C2 C3 A3
LD5
RGB
VCC-5V
VCC-5V
GND
2
SDA
3
SCL
4
VDD
1
U18
LTR-329ALS-01
VCC-3V3
SENS-I2C_SCL
SENS-I2C_SDA
ACCEL-INT2
ACCEL-INT1
SENS-I2C_SCL
SENS-I2C_SDA
ACCEL_INT2
ACCEL_INT1
SENS-I2C_SCL
SENS-I2C_SDA
C169
0.1µF
VCC-3V3
R127
10k
VCC-3V3
ACCEL-SA0
INT2
9
INT1
11
GND
12
SCL/SCK
4
RES
3
R
S
T
16
N/C
15
VDD
1
4
RES
13
GND
5
S
D
A/MOS
I
6
SA0/MISO
7
CRST
8
SA1/CS_B
10
VDDIO
1
BYP
2
U19
FXOS8700CQR1
ACCEL-INT2
ACCEL-INT1
VCC-3V3
C173
100nF
C176
100nF
C170
100nF
C171
4.7µF
VCC-3V3
C172
100nF
4
3
2
1
U21
TSOP6238
C177
4.7µF
VCC-3V3
IR_TX
SENS-I2C_SCL
SENS-I2C_SDA
ACCEL-SA0
1 2 3
JP4
R130
10k
VCC-3V3
ACCEL-SA1
1 2
3
JP5
ACCEL-SA1
R131
4.7k
R129
4.7k
VCC-3V3 VCC-3V3
SENS-I2C_SCLSENS-I2C_SDA
R125
3.3k
ACCEL
RGB LED
Buzzer
Temp sensor
IR receiver
ALS
R82
100k
R85
200k
R91
30k
VCC-EXT
NC
1
SS
2
FB
3
AGND
4
PGND
5
PGND
6
COMP
12
EN
11
VIN
10
OVP
9
SW
8
SW
7
13
U12
MIC2253-06YML-TR
C131
100pF
D7
VIN
VCC-BAT
R86
100k
LD3
PWR
VIN
3 4
5
Q2B
DMP1046UFDB-7
61
2
Q2A
DMP1046UFDB-7
R89
1k
34
5
Q4B
DMP1046UFDB-7
SW
C138
0.47µF
C135
47µF
C132
33uF
C133
1µF
L7
2.2µH
R81
1k
C134
33 uF
DNP
R90
4.7k
C141
10nF
C140
220pF
D4
1N4148WT-7
Vin-CHG
Vin-CHG
1
2
3
5
6 7
SW1
R80
10
VCC-USB
61
2
Q15A
R134
100k
D10
1N
41
48
WT
-
7
VCC-EXT
R132
10k
VCC-USB
Q1
FDC658AP
R83
4.7k
R133
10
R78
100
DZ3
BZT52C3V9T-7
Q14
BC846B-7-F
R135
1k
BOOST_in
BOOST_en
B
OOST_en
BOO
S
T_
in
R84
4.7k
R77
10k
USB host
LDO
Boost
Charger