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MSP430G2x13 - RHB Package 32QFN Socketed EVM

Michael Questo
Expert 6000 points
Other Parts Discussed in Thread: MSP430G2513, MSP430I2020, MSP430G2553

MSP Champs,

Were looking for a socketed EVM to flash a MSP430G2513 RHB package which is a 32QFN.

We have a 32QFN socket for the MSP430i2020 but the pin out is wrong for the MSP430G2xxx.  I was wondering if we can make this work.

  • 0
    TI__Prodigy 490 points

    Michael,

    Here's one way you can probably do it. The MSP430i2020 ZIF socket schematic can be found on the product page: www.ti.com/.../MSP-TS430RHB32A

    If you take a look at the pinouts for the MSP430G2553 and the i2020, you'll notice that if you turn the G2553 180 degrees around, the power pins on the bottom almost line up perfectly. DVCC, AVCC, and DVSS line up the same way on the G2553 and the i2020, but you'll have to short out the resistor R2 on the dev board to connect ROSC on the i2020 to the AVSS on the G2553.

    Lastly, you'll want to connect the Spy-Bi-Wire traces to each other so that you can correctly program the device. Remove R13 and R14 on the dev board, and connect pins 7 and 8 to pins 15 and 16, respectively. This connects the SBW pins of the G2553 to the SBW pins on the i2020's dev board so you can program it normally.

    In summary, there are four things to do on the i2020 dev board:

    1. Remove R2 (pin 11) and short the traces together.
    2. Remove R13 and R14 and do not short the traces (or just cut the traces).
    3. Connect pin 7 to pin 15.
    4. Connect pin 8 to pin 16.

    Justin

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