Texas Instruments
Texas Instruments MSP430x1xx 16-bit MCU, MSP430F123IRHBR, 8MHz core, 8KB Flash, 256 x 8 RAM, 22 I/O, SPI, UART/USART, POR, PWM, WDT, internal oscillator, 1.8V–3.6V supply, -40°C to 85°C, 32-VFQFN exposed pad.
MOQ 1 · Tape & Reel (TR); Cut Tape (CT) · RoHS · EIA-481 · DAP/DDP · T/T
| Parameter / Attribute | Specification / Value |
|---|---|
| Series | MSP430x1xx |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 3.6V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 8MHz |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| RAM size | 256 x 8 |
| Core size | 16-Bit |
| Peripherals | POR, PWM, WDT |
| Connectivity | SPI, UART/USART |
| Number of i (O) | 22 |
| Core processor | MSP430 CPU16 |
| Case | 32-VFQFN Exposed Pad |
| Data converters | Slope A/D |
| Program memory size | 8KB (8K x 8 + 256B) |
The MSP430F123IRHBR: The 16-bit MCU from the MSP430x1xx family runs at 8 MHz with 8 KB Flash and 256 bytes of RAM.
The 8 MHz clock is the rated maximum. That is sufficient for periodic sensor reads, UART polling, or PWM generation. The 256-byte RAM and 8 KB Flash are the hard limits.
