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STM-H103 Datasheet(PDF) 12 Page - List of Unclassifed Manufacturers

Part No. STM-H103
Description  STM-H103 development board users manual
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Maker  ETC2 [List of Unclassifed Manufacturers]
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STM-H103 Datasheet(HTML) 12 Page - List of Unclassifed Manufacturers

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INPUT/OUTPUT:
User button with name BUT – connected to STM32F103RBT6 pin.14 PA0.WKUP;
Status green LED with name STAT connected to STM32F103RBT6 pin.53 PC12, note that
LED-E SMT jumper should be shorted to may LED work properly (it’s shorted by default),
if you decide to use PC12 port for other purpose you have to remove the solder short on this
jumper which will disconnect the LED from PC12 port;
Power supply red LED with name PWR – indicates that 3.3V power supply is applied;
JTAG:
The JTAG connector allows the software debugger to talk via a JTAG (Joint
Test Action Group) port directly to the core. Instructions may be inserted and
executed by the core thus allowing STM32F103RBT6 memory to be
programmed with code and executed step by step by the host software.
For more details refer to IEEE Standard 1149.1 - 1990 Standard Test Access
Port and Boundary Scan Architecture and STM32F103RBT6 datasheets and
users manual.
JTAG CONNECTOR PIN DESCRIPTIONS
Pin #
Signal Name
Pin #
Signal Name
1
TVCC 3.3V
2
TVCC 3.3V
3
TRST
4
GND
5
TDI
6
GND
7
TMS
8
GND
9
TCK
10
GND
11
NC
12
GND
13
TDO
14
GND
15
RST
16
GND
17
NC
18
GND
19
NC
20
GND
TMS
Input
Test Mode Select. The TMS pin selects the next state in the TAP state machine.
TCK
Input
Test Clock. This allows shifting of the data in, on the TMS and TDI pins.
It is a positive edgetriggered clock with the TMS and TCK signals that define the internal state
of the device.
TDI
Input
Test Data In. This is the serial data input for the shift register.
TDO
Output Test Data Output. This is the serial data output from the shift register. Data is shifted out of the
device on the negative edge of the TCK signal.
TRST
Input
Test Reset. The TRST pin can be used to reset the test logic within the EmbeddedICE logic.
Page 12 of 18


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