{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430AFE232IPW","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430AFE232IPW","canonicalUrl":"https://icboms.com/texas-instruments/MSP430AFE232IPW","factsUrl":"https://icboms.com/api/mcp/products/MSP430AFE232IPW","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430AFE232IPW, MSP430F2xx series, 16-bit MCU, 12 MHz, 8 KB Flash, 512 x 8 RAM, dual 24-bit ADC, SPI/UART, 1.8 V to 3.6 V supply, -40°C to 85°C, 24-TSSOP package.","salesMarkdown":"## Dual 24-bit ADC — the reason this MCU exists That dual-ADC front end is the defining feature: it targets polyphase energy metering, precision weigh scales, and industrial sensor bridges where simultaneous sampling of two channels matters more than raw MIPS. The 12 MHz core clock is enough to run the ADC conversion engine and a lightweight metrology stack, but the 8 KB Flash and 512 B RAM leave no room for a general-purpose RTOS or complex protocol handling. Connectivity is limited to SPI and UART/USART — no I²C, no CAN, no USB. This is a purpose-built measurement controller, not a general-purpose MCU. ## 8 KB Flash, 512 B RAM — sizing the firmware budget Program memory is 8 KB of Flash, with 512 bytes of RAM. For a metering application that means the calibration constants, the digital filter coefficients, and the communication protocol handler must all fit in that 8 KB. There is no external memory bus, so firmware size is a hard constraint. The 512 B RAM handles the ADC conversion results and a small transmit/receive buffer for SPI or UART. If the application needs data logging or over-the-air firmware updates, this part will not hold them — step up to the MSP430F5xx series with larger Flash options. ## Package and I/O Housed in a 24-TSSOP package with a 4.40 mm body width, surface-mount only. The 11 I/O lines include the SPI and UART pins, plus a few GPIO for control signals and interrupts. The Brown-out Detect/Reset and watchdog timer are integrated, reducing external supervisor IC count. The PWM output can drive a simple buzzer or LED indicator, but there is no dedicated motor-control timer. For dual-sourcing resilience, note that the MSP430AFE232IPW has no direct pin-compatible second source — the MSP430 family is TI-proprietary. If a second source is required for a high-volume production line, a functional equivalent would need a different architecture (e.g., an ARM Cortex-M0+ with a dual 24-bit ADC), which would require a board respin.","metaTitle":"Texas Instruments MSP430AFE232IPW 16-bit MCU, 12 MHz","metaDescription":"MSP430AFE232IPW 16-bit MCU with dual 24-bit sigma-delta ADC, 8 KB Flash, 512 B RAM, 12 MHz core, SPI/UART, -40°C to 85°C.","metaKeywords":null},"attributes":{"series":"MSP430F2xx","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"12MHz","Series":"MSP430F2xx","Package":"Bulk","RAM Size":"512 x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, PWM, WDT","Connectivity":"SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"11","Core Processor":"MSP430 CPU16","Package / Case":"24-TSSOP (0.173\\\", 4.40mm Width)","Product Status":"Active","Data Converters":"A/D 2x24b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430AFE232","Program Memory Size":"8KB (8K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"24-TSSOP","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$7.0100","priceTiers":[{"qty":1,"price":"$7.01000","currency":"USD"},{"qty":10,"price":"$6.29200","currency":"USD"},{"qty":25,"price":"$5.94800","currency":"USD"},{"qty":100,"price":"$5.15500","currency":"USD"},{"qty":250,"price":"$4.89064","currency":"USD"},{"qty":500,"price":"$4.38838","currency":"USD"},{"qty":1000,"price":"$3.70104","currency":"USD"},{"qty":2500,"price":"$3.51599","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/c7412554fb8cd23d208fe08bda354203.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430AFE232IPW/alternatives.json"},"ai":{"faq":[{"question":"What is the memory size of MSP430AFE232IPW?","answer":"This is sufficient for a single metering algorithm and calibration constants, but not for complex firmware stacks or data logging."},{"question":"What is the closest functional equivalent to MSP430AFE232IPW?","answer":"There is no pin-compatible second source. The TI F280041PZQR is a 32-bit C2000 MCU with a 100 MHz C28x core and dual 12-bit ADCs, but it operates at 1.14 V, has a different package (LQFP), and targets motor control rather than precision metering. A board redesign would be required to substitute it."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430AFE232IPW","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430AFE232IPW when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}