Chapter 5
Schematics
1
1
2
2
3
3
4
4
D
D
C
C
B
B
A
A
SEG G ER
www.segger.com
J-Link
TM
Technology
Title
Size
Date:
File:
Revision
Sheet
Drawn:
A4
History / Changes
Number
J-Link-OB-STM32F103
Rev. 1.5
VK
1
1
-
/
06.11.2013
J_Link_OB_STM32F103_Rev1.5.SchDoc
TCKout
DDP
TMSout
TRSTout
TDIout
DDM
TDOin
TRESout
XIN
XOUT
GND
GND
GND
VDD, VDDA decoupling
ATTACH
LED
VCC3
(see left)
X1
8MHz
BOOT0
44
NRST
7
OSC_IN/PD0
5
OSC_OUT/PD1
6
PA0-WKUP
10
PA1
11
PA2
12
PA3
13
PA4
14
PA5
15
PA6
16
PA7
17
PA8
29
PA9
30
PA10
31
PA11
32
PA12
33
PA13/JTMS/SWDIO
34
PA14/JTCK/SWCLK
37
PA15/JTDI
38
PB0
18
PB1
19
PB2/BOOT1
20
PB3/JTDO
39
PB4/JNTRST
40
PB5
41
PB6
42
PB7
43
PB8
45
PB9
46
PB10
21
PB11
22
PB12
25
PB13
26
PB14
27
PB15
28
PC13-TAMPER-RTC
2
PC14-OSC32_IN
3
PC15-OSC32_OUT
4
VBAT
1
VDD_1
24
VDD_2
36
VDD_3
48
VDDA
9
VSS_1
23
VSS_2
35
VSS_3
47
VSSA
8
U2
STM32F103CBT6
D1
LTST-C170KGKT
J2
JTAG Disable
JTAG Selection
TRST
TDI
TMS
TCK
TDOin
GND
C2
100n
C3
100n
C4
100n
C5
100n
C1
100n
C11
100n
C7
22p*
C8
22p*
* values depend on selected crystal and layout
C6
10n
R
1
2
1
0
k
GND
R9
22R
R10
22R
R11
1k5
R8
1M*
R3
130R
R4
130R
R5
130R
R6
130R
R
1
4
7
k
R2
220R
VCC3
GND
* Note:
Pins PB8-15, PC13-15, and VBAT are not present in
VFQFPN36 package.
VCC3
*
*
*
*
*
*
*
*
*
*
*
*
RESET
GND
TCKout
DDP
TMSout
TRSTout
TDIout
DDM
TDOin
XIN
XOUT
ATTACH
LED
GND
Target MCU
USB
TRESout
TDOS
TDIS
TCKS
TMSS
RESET
VCC3
GND
V5
JTAG on board programming connector
RESET
TDIS
TDOS
1
2
3
4
5
6
7
8
9
10
T
a
g
C
o
n
n
e
c
t
J3
TC2050-IDC
TDOS
TDIS
TCKS
TMSS
TRSTS
TRSTS
Tag-Connect connector for SEGGER J-Link with
J-Link adapter from SEGGER allows supply of the
target board (V5) during programming and
debugging.
GND
Optional "JTAG Disable" jumper.
If JTAG-Disable is not needed, leave PB5 open.
TRSTS
PB5
GND
R7
130R
VCC3
J2 added, R3,R4,R5,R6,R7 changed to 130 Ohm
History / Changes
Rev. 1.0:
Rev. 1.1:
Shield1
S1
Shield2
S2
Vbus
1
D-
2
D+
3
GND
4
J1
USB_BP
VBUS
May be used to supply
5V to the board.
3.3V
VCC3
V5
Rev. 1.2:
Rev. 1.3:
Inital version
R13, R14, R15 removed
Changed MCU connections to allow use of 36 pin package
Added programming connector J3, added C11
Removed U1, C9, C10
Supply
Rev. 1.4:
Extended target signal naming for SWD, added note
(See manual for
connection of
target signals)
TDO/SWO
nRESET
TCK/SWCLK
TMS/SWDIO
TDI
nTRST
Rev. 1.5:
Moved TDOin from PA6 to PA10
J-Link-OB-STM32F103 User Guide (UM08023)
© 2004-2017 SEGGER Microcontroller GmbH
