Texas Instruments MSP430x4xx series 16-bit MCU, MSP430F437IPZR, 8 MHz core, 32 KB Flash, 1 KB RAM, integrated LCD driver, 8-channel 12-bit ADC, SPI/UART, -40 to 85°C, 100-LQFP.
| Parameter | Value |
|---|---|
| Series | MSP430x4xx |
| Mounting type | 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 | 1K x 8 |
| Core size | 16-Bit |
| Peripherals | Brown-out Detect/Reset, LCD, POR, PWM, WDT |
| Connectivity | SPI, UART/USART |
| Number of i (O) | 48 |
| Core processor | MSP430 CPU16 |
| Case | 100-LQFP |
| Data converters | A/D 8x12b |
| Program memory size | 32KB (32K x 8 + 256B) |
8 MHz clock handles sensor polling, LCD updates, and UART or SPI communication. It will not run heavy DSP or high-speed data logging.
100-pin LQFP (14x14 mm body). Surface-mount only. 48 I/O lines.
There is no direct pin-compatible replacement. The MSP430F5418A offers more Flash and RAM but has a different pinout. A board respin is required to migrate.
The MSP430F437IPZR runs at 8 MHz, which is the maximum core clock for this MSP430x4xx device.
It belongs to the MSP430x4xx series, which features an integrated LCD driver and ultra-low-power operation.