The Texas Instruments TM4C123BH6ZRBIR is a 32-bit ARM Cortex-M4F MCU from the Tiva™ C Series, clocked at 80 MHz with a hardware floating-point unit. That FPU matters for sensor fusion, motor-control FOC, or any loop where integer math chews through MIPS — the single-precision multiply-accumulate runs in one cycle, not a software library call. 256 KB of Flash and 32 KB of RAM give the firmware room for a real-time OS and a moderate data buffer; the 2 KB EEPROM holds calibration or boot-config values without external storage.
TI TM4C123BH6ZRBIR Tiva C ARM Cortex-M4F MCU, 80 MHz
MPNTM4C123BH6ZRBIR
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Texas Instruments Tiva™ C Series TM4C123BH6ZRBIR, 32-bit ARM Cortex-M4F MCU, 80 MHz, 256 KB Flash, 32 KB RAM, 2 KB EEPROM, 120 I/O, 157-VFBGA, -40 to 85 °C.
$7.0924Ref. 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 | 32K x 8 |
| Core size | 32-Bit Single-Core |
| EEPROM size | 2K x 8 |
| Peripherals | Brown-out Detect/Reset, DMA, Motion PWM, POR, WDT |
| Connectivity | CANbus, I²C, IrDA, Microwire, QEI, SPI, SSI, UART/USART |
| Number of i (O) | 120 |
| Core processor | ARM® Cortex®-M4F |
| Case | 157-VFBGA |
| Data converters | A/D 24x12b |
| Program memory size | 256KB (256K x 8) |
Product details
Frequently asked questions
What is the closest pin-compatible alternative to TM4C123BH6ZRBIR?
No official pin-compatible successor is listed in this record. The base product number TM4C123 covers several Flash and RAM density variants in the same 157-VFBGA package — verify the exact pinout against your PCB layout before substituting.
What is TM4C123BH6ZRBIR's listed speed?
The core runs at 80 MHz. That is the maximum clock for the ARM Cortex-M4F with FPU on this Tiva™ C Series device.