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  • MSP430FR5969-SP: Maximum SPI Clock Frequency

    Resolved
    Part Number: MSP430FR5969-SP Tool/software: Hi, I wanted to confirm that the maximum SPI clock frequency is 16MHz and can only be sourced by the SMCLK. According to the datasheet, it can be sourced by SMCLK or ACLK, but it looks like ACLK maximum…
    • Resolved
    • Answered

  • MSP430FR5969-SP: SPI Modes registers don't agree with SPI Mode Specification?

    Resolved
    Part Number: MSP430FR5969-SP Tool/software: Hi, I was wondering if someone can verify something. According to the SPI spec, there are four SPI modes which are: If I look at the MSP430 user guide for the SPI interface, I see: Which if both UCCKPH…
    • Resolved

  • MSP430FR5969-SP: Single-event Effects test bootloader and firmware

    Part Number: MSP430FR5969-SP Other Parts Discussed in Thread: MSP430FR5969 Tool/software: Hi, I'm working on a radiation-hardened application and I was wondering if the custom bootloader and possibly firmware described in SLAK026 "Single-event Effects…

  • MSP430FR5969-SP: Running SPI bus - seeing big delay between 8 bit writes

    Part Number: MSP430FR5969-SP Other Parts Discussed in Thread: MSP430FR5969 Tool/software: Hi, I am running the MSP430FR5969 device on my board. I am trying to run the SPI transactions faster that observed on the scope. First of all , here is a snippet…

  • MSP430FR5969-SP: Can the internal reference voltage be used as 3.3V?

    TI Thinks Resolved
    Part Number: MSP430FR5969-SP Tool/software: My customer says they have it referencing AVCC which is 3.3V and it has been working so far. They're interested in a more precise external reference but I thought from the datasheet the internal voltage reference…
    • Answered

  • MSP430FR5969-SP: MSP430FR5969-SP

    Resolved
    Part Number: MSP430FR5969-SP Tool/software: Hello The package of M4FR5969SRGZT-MLS is the same to MSP430FR5969IRGZT ? The difference between them is the radiation hardened? Roi
    • Resolved
    • Answered

  • MSP430FR5969-SP: similarity to MSP430FR5969

    Resolved
    Part Number: MSP430FR5969-SP Tool/software: I understand the M4FR5969SRGZT-MLS and MSP430FR5969IRGZT are similar in part number, package, and pinout but do not have the same datasheet. However from what I can see, they have similar specs. Do these two…
    • Resolved
    • Answered

  • MSP430FR5969-SP: Clock Source and Compatibility Inquiry

    Resolved
    Part Number: MSP430FR5969-SP Other Parts Discussed in Thread: MSP430FR5959 Tool/software: Hello, I wanted to ask about the MSP430FR5969-SP regarding time counting. Would it be better to use the internal clock, or would adding an external radiation-tolerant…
    • Resolved
    • Answered

  • MSP430FR5969-SP: SEL Guarantee

    Resolved
    Part Number: MSP430FR5969-SP Tool/software: The datasheet for the MSP430FR5969-SP claims it is SEL immune to to 72 MeV.cm2 /mg at 125°C, but the SEE test report claims the part was only tested at 25C. Is SEL hardness guaranteed by design, or was this…
    • Resolved

  • MSP430FR5969-SP: Recommended power ramp slew rate

    Part Number: MSP430FR5969-SP Tool/software: Hi, My customer is asking if MSP430FR5969-SP has VCC power-up slew requirement (dV/dt) specification. It seems there is no such parameter in datasheet. The customer had an issue related to power-up slew with competitor…

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