Keil™, An ARM® Company

MCBSTM32 User's Guide

JTAG Interface

The JTAG Interface connector provides debugging and emulator support for the STRM32F103 device. The JTAG Interface allows application debugging and programming of on-chip and off-chip Flash devices.

MCBSTM32 Board JTAG Connector

The standard JTAG 20-pin connector works with the Keil ULINK and many third party tool vendors.

20-pin JTAG Pin Identification

Serial Wire Mode Interface

The MCBSTM32 board also supports the Serial Wire Mode of Cortex-M3 based devices.  In Serial Wire mode, only the pins TCLK and TMS are used. TDO is an optional trace data output pin.