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Texas Instruments MSP430F67491AIPZ — Microcontrollers & Processors (MCU / MPU / DSP)
Texas Instruments

TI MSP430F67491AIPZ 16-bit MCU, 25 MHz, 512 KB Flash

MPNMSP430F67491AIPZ
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Texas Instruments MSP430F6xx series 16-bit MCU, MSP430 CPUXV2 core, 25 MHz, 512 KB Flash, 32K x 8 RAM, 4x24b Sigma Delta Converter, LCD, 62 I/O, I²C/IrDA/LINbus/SPI/UART, 100-LQFP, -40°C to 85°C.

$14.2240Ref. price · indicative, final on quote
MSP430F67491AIPZ datasheet
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Specifications

MSP430F67491AIPZ 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
PackageTube
RAM size32K x 8
Core size16-Bit
PeripheralsBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT, 4x24b Sigma Delta Converter
ConnectivityI²C, IrDA, LINbus, SPI, UART/USART
Number of i (O)62
Core processorMSP430 CPUXV2
Case100-LQFP
Data convertersA/D 8x10b
Program memory size512KB (512K x 8)

Product details

What this MSP430 derivative brings to a metering or industrial design

The MSP430F67491AIPZ: This MSP430 derivative integrates four 24-bit sigma-delta ADCs, an LCD driver, and a DMA controller in a 100-LQFP package.

The Flash is field-reprogrammable, so firmware updates over UART or SPI are feasible if the bootloader is planned for. The 32 KB RAM is shared between data and stack — for designs logging interval data or running multiple ADC channels, budget the heap carefully.

The four 24-bit sigma-delta ADCs — where this part earns its keep

The four 24-bit sigma-delta ADCs are designed for low-frequency, high-resolution measurement.

Lifecycle and sourcing posture

For BOM planning, this removes the last-time-buy risk that haunts older MSP430 derivatives.

Frequently asked questions

What is the closest pin-compatible alternative to MSP430F67491AIPZ in this component family?

Within the MSP430F6xx series, there are several density and peripheral variants sharing the 100-LQFP footprint. The base product number MSP430F67491 covers this exact Flash and RAM configuration. For a pin-compatible swap, look at other MSP430F67xx devices in the same 100-pin package — they share the same core and peripheral map but may differ in ADC channel count or LCD segment support. Confirm the specific peripheral requirements against the datasheet before substituting.