Texas Instruments MSP430™ FRAM series, MSP430FR5958IRHAR, 16-Bit, 16MHz, 48KB (48K x 8) FRAM, 2K x 8 RAM, 14x12b ADC, I²C/SPI/UART, 1.8V~3.6V, -40°C~85°C, Surface Mount 40-VFQFN Exposed Pad.
| Parameter | Value |
|---|---|
| Series | MSP430™ FRAM |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FRAM |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 3.6V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 16MHz |
| Package | Tape & Reel (TR) |
| RAM size | 2K x 8 |
| Core size | 16-Bit |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | I²C, IrDA, SCI, SPI, UART/USART |
| Number of i (O) | 33 |
| Core processor | MSP430 CPUXV2 |
| Case | 40-VFQFN Exposed Pad |
| Data converters | A/D 14x12b |
| Program memory size | 48KB (48K x 8) |
The 33 I/O lines in the 40-VQFN (6x6 mm) package give reasonable breakout for a mixed-signal board without needing a larger footprint.
The 40-VQFN package (6x6 mm) is a common footprint, so second-sourcing within the MSP430FR5xxx family is straightforward if a different memory or peripheral mix is needed later.
Within the MSP430FR5xxx family, parts with the same 40-VQFN footprint and pinout share the same base package. The MSP430FR5958 is the base product number; variants differ in FRAM size and peripheral set. For a direct pin-compatible drop-in, check the MSP430FR5959 (higher FRAM density) or MSP430FR5949 — both share the same VQFN-40 layout and supply range.
The CPU core is rated for 16 MHz maximum operation. This is the clock speed for the MSP430 CPUXV2 core, and it sets the throughput for sensor polling loops, communication baud rates, and control-law update rates.