Texas Instruments MSP430F5xx series 16-bit MCU, MSP430F5638IPZR, core processor MSP430 CPUXV2 at 20 MHz, 256 KB Flash, 18K x 8 RAM, USB and serial interfaces, 100-LQFP package, industrial temperature range -40 to 85°C.
| Parameter | Value |
|---|---|
| Series | MSP430F5xx |
| 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 | 20MHz |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| RAM size | 18K x 8 |
| Core size | 16-Bit |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | I²C, IrDA, LINbus, SCI, SPI, UART/USART, USB |
| Number of i (O) | 74 |
| Core processor | MSP430 CPUXV2 |
| Case | 100-LQFP |
| Data converters | A/D 16x12b; D/A 2x12b |
| Program memory size | 256KB (256K x 8) |
The brown-out detect and POR circuitry keeps the core from misbehaving during power-up and brown-out events — useful in noisy industrial environments.
There is no last-time-buy clock ticking, and no forced migration to a newer part.
Within the MSP430F5xx family, parts with the same 100-LQFP footprint and similar peripheral sets include the MSP430F5659 (higher Flash/RAM) and MSP430F5637 (lower Flash/RAM). The exact pin-compatible alternative depends on your required memory size and peripheral mix — check the family cross-reference for a drop-in swap.
Standard MSP430 tools work with this part: TI's MSP-FET flash emulation tool, the MSP430 LaunchPad development kits, and third-party programmers that support the Spy-Bi-Wire (SBW) or JTAG interface. The MSP430 CPUXV2 core is supported by TI's Code Composer Studio and IAR Embedded Workbench.