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Texas Instruments MSP430F67781IPEU — Microcontrollers & Processors (MCU / MPU / DSP)
Texas Instruments

Texas Instruments MSP430F67781IPEU 16-bit MCU, 25MHz, 512KB Flash, 128-LQFP

MPNMSP430F67781IPEU
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Texas Instruments MSP430F6xx series, 16-bit MSP430 CPUXV2 MCU, 512KB FLASH, 16KB RAM, 25MHz, 1.8–3.6V supply, 128-LQFP tray.

$17.7578Ref. price · indicative, final on quote
MSP430F67781IPEU datasheet
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MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
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Specifications

MSP430F67781IPEU Technical Specifications
ParameterValue
SeriesMSP430F6xx
Mounting typeSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.8V ~ 3.6V
Operating temperature-40°C~85°C(TA)
Speed25MHz
PackageTray
RAM size16K x 8
Core size16-Bit
PeripheralsBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT, 7x24b Sigma Delta Converter
ConnectivityI²C, IrDA, LINbus, SPI, UART/USART
Number of i (O)90
Core processorMSP430 CPUXV2
Case128-LQFP
Data convertersA/D 8x10b
Program memory size512KB (512K x 8)

Product details

Polyphase metering MCU with seven 24-bit sigma-delta ADCs

The MSP430F67781IPEU is a 16-bit MCU with MSP430 CPUXV2 core, 25 MHz, 512 KB Flash, 16 KB RAM, and seven 24-bit sigma-delta ADCs.

25 MHz core — what it means for the metering loop

At 25 MHz, the CPUXV2 runs polyphase energy calculations across seven ADC channels with headroom for communication stacks.

512 KB Flash and 16 KB RAM — sizing the firmware and data log

The 512 KB Flash can hold a full metering firmware stack including the TI metrology library, calibration constants, and several months of interval data logging. The 16 KB RAM is sufficient for real-time variables and a modest buffer, but not for large graphic frame buffers or extensive protocol parsing — keep the communication payloads lean or use external serial RAM via SPI. The Flash is field-reprogrammable, supporting in-system firmware updates over UART or I²C.

Frequently asked questions

What is MSP430F67781IPEU's listed speed?

The core runs at 25 MHz, which is the CPUXV2's maximum rated clock frequency for this device.

What is the closest pin-compatible alternative to MSP430F67781IPEU?

Within the MSP430F6xx family, the MSP430F67791 (1 MB Flash, same 128-LQFP package) is a higher-density pin-compatible upgrade. No direct second source exists outside TI's portfolio.