 MCB2140 User's Guide | |
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MCB2140 User's Guide
Introduction Setup
Board Setup Board Components Connecting with ULINK Connecting with Serial ISP Verifiying the COM Connection Configuring the MCB2140 Jumper Descriptions Theory of Operation Writing Programs Example ProgramsConfiguring 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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