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JTAG/SW Interface

The JTAG and Cortex Debug connectors provides debugging and emulator support for the NUC140 device. These connectors allow application debugging and programming of on-chip and off-chip Flash devices.

 MCBNUC1xx Board JTAG Connector

The standard JTAG 20-pin connector works with the Keil ULINK and many third party tool vendors. The Cortex Debug connector works with the Keil ULINK2 adapter.

Cortex Debug and JTAG Pin Identification

Serial Wire Mode Interface

The MCBNUC1xx board also supports the Serial Wire Mode of Cortex-M0 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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