STMicroelectronics 32L4R9IDISCOVERY, Руководство пользователя

Страница: 58 / 78

Schematics
UM22
71
5
8/7
8
D
ocID030
906 Re
v 2
Figure 23. 32L4R9IDISCOVERY ST-LINK/V2-1
4 14
ST-LINK/V2-1
MB1311 C
28/08/2017
Title:
Size: Reference:
Date: Sheet: of
A3 Revision:
STM32L4R9I-DISCO Project:
STM_RST
T_
J
T
C
K
T_JTCK
T_
J
T
D
O
T_
J
T
D
I
T_JTMS
OSC_IN
OSC_OUT
T_
N
R
S
T
AIN_1
USB ST-LINK
COM
Board Ident: PC13=0
T_SWDIO_IN
LED_STLINK
MCO
ST
L
IN
K
_
R
X
ST
L
IN
K
_
T
X
T_SWO
USB_RENUMn
US
B
_
R
E
NU
M
n
+3V3_ST_LINK
+3V3_ST_LINK
PW
R
_
E
X
T
5 1
2
GND
3
4
BYPASS
INH
Vin Vout
U31
LD3985M33R +3V3_ST_LINK
+3V3_ST_LINK
Power Switch to 5V
from STLINK USB
PWR_ENn
+3V3_ST_LINK
3
1
2
T12
9013-SOT23
VUSB_ST_LINK
VUSB_ST_LINK
VUSB_ST_LINK
VDD_STL
LED_STLINK
+3V3_ST_LINK
STM_JTMS
ST
M_
J
T
C
K
T_
J
R
S
T
STL_USB_D_N
STL_USB_D_P
STL_USB_D_N
STL_USB_D_P
5V_STL
VUSB_ST_LINK U5V_ST_LINK
D7
BAT60JFILM
+3V3_ST_LINK
VBAT
1
PC13
2
PC14
3
PC15
4
OSC_IN
5
OSC_OUT
6
/RST
7
VSSA
8
VDDA
9
PA0
10
PA1
11
U2_TX
12
U2
_R
X
13
U2
_C
K
14
S1
_
C
K
15
S1
_
M
ISO
16
S1
_
M
O
S
I
17
PB0
18
PB1
19
PB2
/BO
O
T
1
20
PB1
0
21
V
SS_
1
23
VD
D_
1
24
PB12
25
PB1
1
22
S2_CK
26
S2_MISO
27
S2_MOSI
28
PA8
29
PA9
30
PA10
31
PA11
32
PA12
33
JTMS
34
VSS_2
35
VDD_2
36
JT
C
K
37
JT
DI
38
JT
DO
39
JN
R
S
T
40
PB5
41
PB6
42
PB7
43
BO
O
T
0
44
PB8
45
PB9
46
VS
S
_
3
47
VD
D_
3
48
U30
STM32F103CBT6
output current limitation : 625mA
+3V3_ST_LINK
USB Virtual ComPort
SWD to MCU
TCK/SWCLK
TMS/SWDIO
NRST
SWCLK
PA14
SWDIO
PA13
SWO
PB3
Re
d
_G
re
en
2
1
3
4
LD4
HSMF-A201-A00J1
T_JTDO
T_JTMS
VccA
1
A1
2
A2
3
GND
4
DIR
5
B2
6
B1
7
VccB
8
U10
SN74LVC2T45DCUT
VDD_STL
T_SWO
+3V3_ST_LINK
+3V3_ST_LINK
SWO_MCU
VCCA
1
A1
2
A2
3
GND
4
DIR
5
B2
6
B1
7
VCCB
8
U8
SN74LVC2T45DCUT
VDD_STL
VDD_STL
+3V3_ST_LINK
USART_TX
USART_RX
PA2
PA3
1 2
X3
NX3225GD-8.00M
transistor pins numbers follow
SOT23 JEDEC standard,
VBUS
1
DM
2
DP
3
ID
4
GND
5
Shield
6
U
S
B_
Mi
cro
-B
recep
ta
c
le
Shield
7
Shield
8
Shield
9
EXP
10
EXP
11
CN13
1050170001
STLINK power supply
IN
1
IN
2
ON
3
GND
4
SET
5
OUT
6
OUT
7
FAULT
8
U11
ST890CDR
T_JTCK
T_NRST
+5V
VDD 5V_STL
VDD_STL
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
SW1
EDG-501S
SWD
1 2 3 4 5 6
CN5
313106S111116
Only footprint with Cable: TC2050-IDC-NL
PA13
PA14
PB3
VDD
TAG
+3V3_ST_LINK
1 2 3 4
CN15
[N/A]
STM_JTMS STM_JTCK
SWCLK SWDIO
Not Fitted, must be on a border or the PCB.
VUSB_ST_LINK 5V_USB_CHARGER
1
2
3
JP10
1
2
3
4
5
6
7
8
9
10
CN8
Tag-10_C
100nF
C37
100nF
C29
100nF
C31
100nF
C40
R103 [N/A]
2K7
R104
4K7
R105
100K
R106
10K
R101 10pF
C98
10pF
C93
100nF
C92
4K7 R92
4K7 R93
0 R88
100K
R25
100nF
C19
100nF
C22
0
R20
100K
R19
100K
R18
100K R86
[N/A]
1K5 R98
10K
R34
36K
R36
100 R35
10
0
R
9
4
10
0
R
28
10
0
R
3
0
10
0
R
32
100 R110
100 R26
100
R111
100
R115
R33 820
10K R29
100nF
C35
1uF
C41
0
R22
100
R21
100
R23
1uF
C95
100nF
C94
100nF
C34
100nF
C32
1uF
C96
100nF
C97
10nF
C91
1 2
Fault
Red
LD5
SB36
SB14
0 R24
0 R31
D4 BAT60JFILM
D5 [N/A]
D6 [N/A]
E5V
U5V
R102
[N/A]
R91 [N/A]
I/O1
1
GND
2
I/O2
3
I/O2
4
Vbus
5
I/O1
6
U28
USBLC6-2SC6
i
Diff Pair 90ohm
i
Diff Pair 90ohm
100nF
C79
VUSB_ST_LINK
JP8
[N/A]
1 3
2
4 5
U12
ESDALC6V1W5
2K2
R27
MCO_STLINK
MCO
To HSE input OSC_IN_PH0
1 3
2
4 5
U32
ESDALC6V1W5
ST890DTR
IN
1
IN
2
ON
3
GND
4
SET
5
OUT
6
OUT
7
FAULT
8
E-
P
A
D
9
U33
[N/A]
Power Switch ST890 will be populated:
- either by U11 ST890CDR in SO8 package
- either by U33 ST890DTR in DFN8L package
VUSB_ST_LINK
PWR_ENn
U11_8
U11_8
U5V_ST_LINK
U11_5
U11_5