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Configuring the MCB2140

The MCB2140 Evaluation Board is configured using the jumpers J1 - J15. The MCB2140 Board ships with the following configuration:

Jumper State Description
J1 - ISP OFF Disables In-System Programming via COM0.
J2 - AV ON Connects POT1 potentiometer to AIN0 for analog input demonstration.
J3 - 3.3V ON Connects 3.3V to CPU.
J4 - VBAT ON Connects VBAT to CPU.
J5 - V3A ON Connects analog reference voltage to CPU.
J6 - LED ON Enables Port1.16 - Port1.23 LEDs.
J7 - INT1 ON Enable INT1 Push Button.
J8 - ETM OFF Disables Embedded Trace Macrocell
J9 - JTAG ON Enables JTAG Interface
J10 - RST ON Enables Reset via COM0.
J11 - VREF ON Connects ADC VREF to 3.3V.
J12 - USB (D-) ON Connects USB Line D- to the USB connector.
J13 - AOUT ON Connects AOUT via LF amplifier to the loudspeaker.
J14 - USB (D+) ON Connects USB Line D+ to the USB connector.
J15 - VR Vbus Signal   ON Connects 5V USB supply voltage to the Vbus pin (P0.23).

Configuring for the ULINK USB-JTAG Adapter

The default jumper settings (above) on the MCB2140 board are pre-configured for the ULINK USB-JTAG adapter.

Configuring for Serial ISP Flash Programming

For programming the MCB2140 using the Flash Magic Utility, change the following jumper from the above default settings:

  • Jumper J9 - OFF
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