STM-H103 datasheet(12/18 Pages) ETC2 | STM-H103 development board users manual

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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

TVCC 3.3V

TRST

GND

TDI

GND

TMS

GND

TCK

GND

TDO

GND

RST

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.

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