That FPU matters if you are doing real-time control loops or sensor fusion — the floating-point unit shaves cycles off PID and filter math compared to a software-emulated float library. The 32 KB Flash and 12K x 8 RAM are on the lean side; this part is sized for a single control task or a modest protocol gateway, not a feature-rich HMI or a multi-threaded application stack.
TM4C1232C3PMIR Tiva C MCU, ARM Cortex-M4F, 80 MHz, 32 KB Flash
MPNTM4C1232C3PMIR
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Texas Instruments Tiva C series TM4C1232C3PMIR, 32-bit ARM Cortex-M4F MCU, 80 MHz, 32 KB Flash, 12K x 8 RAM, 2K x 8 EEPROM, 49 I/O, CAN/I²C/SPI/UART/USB, 64-LQFP, -40°C to 85°C.
$6.3180Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Tiva™ C |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.08V ~ 3.63V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 80MHz |
| Package | Tape & Reel (TR) |
| RAM size | 12K x 8 |
| Core size | 32-Bit Single-Core |
| EEPROM size | 2K x 8 |
| Peripherals | Brown-out Detect/Reset, DMA, POR, WDT |
| Connectivity | CANbus, I²C, IrDA, Microwire, SPI, SSI, UART/USART, USB |
| Number of i (O) | 49 |
| Core processor | ARM® Cortex®-M4F |
| Case | 64-LQFP |
| Data converters | A/D 12x12b |
| Program memory size | 32KB (32K x 8) |
Product details
Frequently asked questions
What is the closest pin-compatible alternative to TM4C1232C3PMIR?
TI's Tiva C series includes higher-density siblings in the same 64-LQFP footprint, such as parts with 64 KB or 128 KB Flash. Check the TM4C123x family datasheet for exact pin compatibility and peripheral differences before requalifying firmware.
What is TM4C1232C3PMIR's listed speed?
The core runs at 80 MHz, which with the Cortex-M4F FPU gives enough headroom for a single real-time control loop or a protocol gateway.
What series is TM4C1232C3PMIR from?
It belongs to the Tiva C series, TI's ARM Cortex-M4F family aimed at industrial control and connectivity applications.