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Texas Instruments MSP430F1111AIPW — Microcontrollers & Processors (MCU / MPU / DSP)

TI MSP430F1111AIPW 16-bit MCU, 8 MHz, 2 KB Flash, 20-TSSOP

MPNMSP430F1111AIPW
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Texas Instruments MSP430x1xx series, MSP430F1111AIPW, 16-Bit microcontroller, 8MHz, 2KB (2K x 8 + 256B) FLASH, 128 x 8 RAM, 14 I/O, 20-TSSOP, -40°C~85°C.

$4.0435Ref. price · indicative, final on quote
Texas Instruments MSP430F1111AIPW datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

MSP430F1111AIPW specifications
ParameterValue
SeriesMSP430x1xx
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.8V ~ 3.6V
Operating temperature-40°C~85°C(TA)
Speed8MHz
PackageTube
RAM size128 x 8
Core size16-Bit
PeripheralsPOR, WDT
Number of i (O)14
Core processorMSP430 CPU16
Case20-TSSOP (0.173\", 4.40mm Width)
Data convertersSlope A/D
Program memory size2KB (2K x 8 + 256B)

Product details

2 KB of Flash and 128 bytes of RAM define the firmware complexity ceiling. This part targets simple control loops, state machines, and sensor readout tasks — not data logging or protocol stacks. The 14 I/O lines, a watchdog timer (WDT), power-on reset (POR), and a slope A/D converter cover basic monitoring and sequencing roles without external glue logic.

The internal oscillator holds frequency across the range, so a crystal is optional for applications that can tolerate the internal RC accuracy.

Frequently asked questions

Does MSP430F1111AIPW have an internal oscillator?

Yes, the MSP430F1111AIPW includes an internal oscillator, so many applications can operate without an external crystal. For timing-critical tasks like UART baud-rate generation, the internal RC accuracy should be verified against the system's timing budget.

What is the closest pin-compatible alternative to MSP430F1111AIPW?

Within the MSP430x1xx family, devices with matching 20-TSSOP footprints and the same 14 I/O count are pin-compatible across Flash and ROM memory options. The exact alternative depends on the required Flash density and peripheral set — the MSP430F1121AIPW (4 KB Flash) is a common density upgrade in the same package, but no official cross-reference is listed in the record.