Texas Instruments MSP430F6635IPZR, 16-bit MSP430 CPUXV2 MCU, 20MHz, 256KB Flash, 18K x 8 RAM, USB 2.0, 16x12b ADC, 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 | Tape & Reel (TR) |
| 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 |
| Program memory size | 256KB (256K x 8) |
256 KB Flash holds a USB stack plus application code. 18 KB RAM supports buffering for the 12-bit ADC.
The MSP430F6635IPZR is flagged as end-of-life hot (EOL hot). Texas Instruments lists the product status as active, but the EOL notice is in effect.
Yes, the MSP430F6638IPZR is pin-compatible in the same 100-LQFP package and offers 512 KB Flash and 32 KB RAM, providing a drop-in upgrade path with more memory for larger USB stacks or firmware updates.
The supply range is 1.8 V to 3.6 V, covering single-cell Li-ion and 3.3 V regulated rails.
Yes, it includes USB 2.0 connectivity alongside I²C, IrDA, LIN, SPI, and UART/USART.