Please clarify for a dumb greener a simple fact about NVIC in MSP432
Hello everybody, sorry for such a naive question. For example, my code is executing an interrupt routine that has a priority, say, 3. if during execution of that routine, a new, higher priority...
View ArticleLED not blinking in MSP432?
I am trying to blink an led for 1 sec in MSP432 using timer and interrupt. But the Led doesn't seem to blink can anyone help me out? I have included the timerover function in startup_msp432p401r_ccs.c...
View ArticleMSP430F5419 Bootloader question
Hello:I am using the MSP430F5419 MCU on a design for a supervisory and communication function. The main system is running on an i.MX6 application processor on a single-board computer using Linux.If...
View ArticleHow to configure a 9pF capacitance to XT1 by using XCAP bits in MSP430F5438A?
Hi,I am using a crystal oscillator and I figured out I don't really need to use an external load capacitor 'cause MSP430F5438A already provides internal capacitor, and it should be configured by using...
View ArticleHow to measure XT1 frequency by using an oscilloscope? (MSP430F5438A)
Hi,I am using an external crystal and would like to verify its frequency using one of microcontrollers' pins, I have already seen it was possible, but I don't know.
View ArticleMSP430F6723 ADC calibration
How should customers calibrate the 24 bit A/D for a typical application. If they calibrate the A/D during production, can they assume that it will stay fairly accurate over the life of the device...
View ArticleSelf programming the msp430fr
I have been working getting the msp430 to do software updates.. using msp430fr5959I cut my fram in half so that i have a place to store the code.FRAM : origin = 0x4400, length = 0x4000 FRAMX : origin =...
View ArticleSupplying current with output tied to GND
Hi, I was wondering if any pin tied to GND can supply current rather than sinking it. For instance, suppose that, instead of connecting a LED's cathode to GND and the anode to Vcc, one connects the...
View ArticleDecoupling Capacitance
Hi, I am working with an MSP430FR5739, and I would like to know where I can find the values for the decoupling capacitance and if it is possible to reduce it?
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How to calculate the inductance in crystals?
I want to quantify the total crystal error contribution by using the formula used in this application report: but it was not showed here.
View ArticleInput Capture Mode (Timer in Continous Mode )MSP30FR5969
Hi All,We are working on MSP430FR5969, new to this type of Microcontroller , our application is to count pulses ( four input senors ) also trying to avoid noise if any (any pulse more than 20 ms is...
View ArticleHow to monitor battery voltage for MSP430F5528?
Hi,I am using a custom made board having MSP430F5528 and powering it up with a battery using solar panel, i want to write a code for monitoring the voltage level of the battery so do i need to use...
View ArticleInterrupt pin in MSP430G2955m
Hello,I am using MSP430G2955 for my design. I need interrupt pin in the controller to connect to power failure detection circuit. I am not finding interrupt pin as such.Kindly help me...
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MSP432 Maincode debugging with a Bootloader loaded
Hey Group,To give a bit of a background to the problem, I have setup two projects, one as a bootloader and the other as the main code.I am able to load the bootloader with the XDS200 debugger via CCS...
View ArticleMSP430G2 GPIO data rate
Hi ,I am Using a MSP 430G2 Board for MUX and Demux of two RS-232 channels to one.Plz. find the Design attatched herewith.I hade written a Small Piece of code for the same as attached.I had implemented...
View ArticleMSP430F5500 and the USB BSL
I wonder if anyone can help with a very strange problem.I have a design using the MSP430F5500.This hardware design is according to SLAA457A; with the TPD2E001 ESD supressor, diode, VBUS input...
View ArticleCorrect C type for 20 bit addresses
I have this DMA-heavy code filled with code likeDMA1SA = out; /* out is a uint8_t * */In the small code memory (I'm using the latest GCC) all is well and it works fine; now the program is grown and I...
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msp430F6733: How to demonstrate ILPM4=1.6uA ? (Schem and Firmware)
Hello,Could you please advice how to demonstrate ILPM4=1.6uA ?Let me explain my status:- I built a board as the attached schem- The sample code "MSP430F673X_LPM4.c" was executed.>>> The...
View ArticlePowering the MSP430F5438A
Recently, my msp430f5438a, on being plugged in to my PC, gave an error saying that the supply voltage was too low (1.4 V). Can the power provided by the JTAG interface be complemented with an external...
View ArticleMSP432 driverlib
In the void GPIO_setAsPeripheralModuleFunctionInputPin ( uint_fast8_t selectedPort, uint_fast16_t selectedPins, uint_fast8_t mode ), the third parameter is used for for either primary, secondary or...
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