Texas Instruments MSP430F6xx series 16-bit MCU, MSP430 CPUXV2 core, 20MHz, 128KB (128K x 8) FLASH, 18K x 8 RAM, 74 I/O, 100-LQFP, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Series | MSP430F6xx |
| 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 | 20MHz |
| Package | Tray |
| RAM size | 18K x 8 |
| Core size | 16-Bit |
| Peripherals | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT |
| Connectivity | I²C, IrDA, LINbus, SCI, SPI, UART/USART |
| Number of i (O) | 74 |
| Core processor | MSP430 CPUXV2 |
| Case | 100-LQFP |
| Data converters | A/D 16x12b; D/A 2x12b |
| Program memory size | 128KB (128K x 8) |
With 74 general-purpose I/O lines and an integrated LCD driver, the MSP430F6436IPZ can handle a keypad matrix, a segmented display, and a handful of sensors without external port expanders or display controllers.
Both parts share the 100-LQFP package, but the MSP430F5438A belongs to the F5xx series with a different peripheral set and memory map. Pin compatibility is not guaranteed across series; verify the pin assignments from each datasheet before assuming a drop-in replacement.