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Texas Instruments MSP430F5255IRGCT — Microcontrollers & Processors (MCU / MPU / DSP)

TI MSP430F5255IRGCT 16-bit MCU, 25 MHz, 128 KB Flash, 32 KB RAM

MPNMSP430F5255IRGCT
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Texas Instruments MSP430F5xx 16-bit microcontroller MSP430F5255IRGCT, 25 MHz CPUXV2 core, 128 KB Flash, 32 KB RAM, 53 I/O, I²C/SPI/UART/LIN/IrDA, 10×10-bit ADC, 1.8–3.6 V supply, -40 to 85°C, 64-VFQFN exposed pad.

$9.5400Ref. price · indicative, final on quote
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Specifications

MSP430F5255IRGCT Technical Specifications
ParameterValue
SeriesMSP430F5xx
Mounting typeSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.8V ~ 3.6V
Operating temperature-40°C~85°C(TA)
Speed25MHz
PackageTape & Reel (TR); Cut Tape (CT)
RAM size32K x 8
Core size16-Bit
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
ConnectivityI²C, IrDA, LINbus, SCI, SPI, UART/USART
Number of i (O)53
Core processorMSP430 CPUXV2
Case64-VFQFN Exposed Pad
Data convertersA/D 10x10b
Program memory size128KB (128K x 8)

Product details

Connectivity and peripheral set

I²C, SPI, UART/USART, LINbus, and IrDA cover the common industrial sensor buses and point-to-point serial links. No CAN or USB on this die, so designs needing those interfaces must add an external bridge or step up to the MSP430F5xx CAN variants. The 10×10-bit ADC samples at a rate adequate for slow analog channels — thermocouple conditioning, pressure transmitter readback, or battery voltage monitoring.

Industrial temperature range and package

Rated -40 to 85 °C, this part fits factory-floor enclosures, outdoor telecom cabinets, and HVAC controllers. The 64-VFQFN with exposed pad requires a thermal via array under the die — the datasheet's recommended land pattern is mandatory for reliable solder-joint life under thermal cycling. The 9x9 mm body and 53 I/O demand a four-layer PCB for clean routing.

Lifecycle and sourcing reality

Frequently asked questions

What is MSP430F5255IRGCT's CPU speed?

The CPUXV2 core runs at 25 MHz, which is the maximum clock for this device. That throughput handles real-time control loops and serial protocol framing without wait-state penalties from the 128 KB Flash.

What is the closest pin-compatible alternative to MSP430F5255IRGCT?

Within the MSP430F5xx family, higher-density parts like the MSP430F5438A (256 KB Flash, 16 KB RAM) share the same 64-VFQFN footprint and peripheral set. Verify the exact memory and ADC channel count against your firmware image before switching.