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JTAG/Cortex Debug Interface

The JTAG/Cortex Debug Interface connector provides debugging and emulator support for the LPC1850 device. The JTAG/Cortex Debug Interface allows application debugging and programming of on-chip and off-chip Flash devices. Jumper J5 DBG_EN must be installed for proper operation of the JTAG/Cortex Debug interface.

 MCB1800 Board JTAG Connector

The standard JTAG 20-pin connector works with the Keil ULINK and many third party tool vendors. The Cortex Debug connectors work with the Keil ULINK2, ULINK-ME and ULINKpro adapters, plus many third party tool vendors.

Cortex Debug + JTAG Pin Identification

Serial Wire Mode Interface

The MCB1800 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.

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