Board schematics
UM1537
34/52
Doc ID 023059 Rev 1
Figure 18.
MCU
1
1
2
2
3
3
4
4
D
D
C
C
B
B
A
A
STMicroelectronics
Title:
Number:
Rev:
Sheet
of
B.1(PCB.SCH)
Date:
3/15/2012
VBAT
1
PC13
- TAM
PER1
-
W
KUP2
2
PC14 -
O
SC
32_IN
3
PC15 -
OS
C32
_OUT
4
PF0 -
OS
C_IN
5
PF1 -
OS
C_OUT
6
NRST
7
PC0
8
PC1
9
PC2
10
PC3
11
VSSA
/
VREF
-
12
VDDA /
VREF
+
13
PA0
-
TAM
PER2
-
W
KUP1
14
PA1
15
PA2
16
PA
3
17
PF
4
18
PF
5
19
PA
4
20
PA
5
21
PA
6
22
PA
7
23
PC
4
24
PC
5
25
PB
0
26
PB
1
27
PB
2
or
NPOR
(1.8V
mode)
28
P
B10
29
P
B11
30
VSS_2
31
VDD_2
32
PB12
33
PB13
34
PB14
35
PB15
36
PC6
37
PC7
38
PC8
39
PC9
40
PA8
41
PA9
42
PA10
43
PA11
44
PA12
45
PA13
46
PF6
47
PF7
48
P
A14
49
P
A15
50
P
C10
51
P
C11
52
P
C12
53
PD
2
54
PB
3
55
PB
4
56
PB
5
57
PB
6
58
PB
7
59
BOOT0
60
PB
8
61
PB
9
62
VSS_1
63
VDD_1
64
U4
STM32F051R8T6
STM320518-EVAL
MCU
MB965
2
1
3
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
29
30
31
32
33
34
CN5
Header
17X2
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
29
30
31
32
33
34
CN6
Header
17X2
C19
100nF
C25
100nF
VDD_MCU
C30
1uF
C28
100nF
VDD_MCU
PA0
PA1
PA2
PA
3
PA
4
PA
5
PA
6
PA
7
PA8
PA9
PA10
PA11
PA12
PA13
P
A14
P
A15
PB
0
PB
1
PB
2
PB
3
PB
4
PB
5
PB
6
PB
7
PB
8
PB
9
P
B10
P
B11
PB12
PB13
PB14
PB15
PC0
PC1
PC2
PC3
PC
4
PC
5
PC6
PC7
PC8
PC9
P
C10
P
C11
P
C12
PC13
PC14
PC15
PF0
PF1
PF
4
PF
5
PF6
PF7
PD
2
TS_G3_IO1
TS_G3_IO2
TS_G6_I
O2
TS_G6_IO1
TS_G6_I
O3
TS_G6_I
O4
Audio_OUT
Audio_I
N
HDMI_
H
P
D_SINK
I2
C2_SD
A
I2
C2_SC
L
HDMI_CEC_OD
HDMI_
HPD_
So
urc
e_
5V
I2C1_SCL
I2C1_SDA
RESET#
SW
DAT
SWCLK
MicroSD_CS_OD
S
P
I1_SCK
S
P
I1_MOSI
L
CD_CS_OD
S
P
I1_MIS
O
Po
tentiome
ter
L
ED4
L
ED3
L
ED1
L
ED2
JOY
_S
EL
JOY_
DOWN
JOY_
LEFT
JOY_
RIGHT
JOY_
UP
LDR_OUT
IR_IN
IR_OUT
User_Button
An
ti_Ta
mp
er
1V8_PG
USART_
TX
USART_
RX
RS
485_DIR
Bootloader_RESET_3V3
I2C_SMB
BT1
CR1220
holder
1
2
3
JP1
2
VDD
4
1
3
2
X2
Q13MC3061000300(EPSON
12.5pF)
C33
20pF
C32
20pF
R58
0
R57
0
C35
20pF
C34
20pF
X1
8MHz
(with
socket)
R59
390
1
4
3
2
B1
RESET
R155
[N/A]
VDD
C88
100nF
MC
_HeatsinkT
em
perature
MC_
BE
MF
_C
VDDA
MC
_Cur
rentA
MC_CurrentB2
MC_CurrentC
MC_PF
Cpwm
VDD_MCU
SDcar
d_detect
MC_EnA
R71
10K
VDD
2
3
1
SW1
09.03290.01
Bootloader_BOOT0
D2
BAT60JFI
L
M
JP5
D3
BAT60JFI
L
M
JP6
VDDA
Left
Right
P
C14
P
C15
SB9
SB10
close
to
crystal
connection
Open
by
default
+3V3
P
C13
RESET#
D5V
RESET#
BOOT0
PF
0
PF
1
SB13
SB14
MC_Emergency
STOP
MC_UL
MC_VL
MC_DissipativeBrake
EXT_PB11
EXT_PB12
EXT_PB13
EXT_PB14
close
to
Touch
slider
connection
PA
3
PA
4
PA
5
PA
6
PA
7
PB
0
PB
1
PB
2
P
B10
PC
4
PC
5
PF
4
PF
5
PA
0
PA
1
PA
2
PC
0
PC
1
PC
2
PC
3
P
A14
P
A15
PB
3
P
B
4
PB
5
P
B
6
PB
7
PB
8
PB
9
P
C10
P
C11
P
C12
P
D
2
BOOT0
PA
8
P
A
9
P
A10
P
A11
P
A12
P
A13
P
B15
PC
6
P
C
7
PC
8
P
C
9
PF
6
PF
7
EXT_PB11
EXT_PB12
EXT_PB13
EXT_PB14
MCU
Extension
connector
SB15
R29
[N/A]
R25
[N/A]
R30
[N/A]
R39
[N/A]
MC_NTC
1
2
3
JP4
USART_CTS
close
to
crystal
connection
Open
by
default
R33
[N/A]
R49
[N/A]
close
to
Touch
slider
connection
VDD
VDDA
S
P
I1_MOSI_DIR