20 MHz clock on the 16-bit RISC core. Enough for a PID loop at a few kHz or USB polling at full-speed.
Memory and peripheral fit
192 KB Flash and 18 KB RAM. 16-channel 12-bit ADC. Brown-out detect and POR on-chip.
TI MSP430F5634IPZR 16-bit MCU, 20MHz, 192KB Flash, 100-LQFP
MPNMSP430F5634IPZR
Obsolete
Texas Instruments MSP430F5xx series 16-bit MCU, MSP430F5634IPZR, MSP430 CPUXV2 core, 20MHz, 192KB Flash, 18K x 8 RAM, USB/I²C/SPI/UART, 74 I/O, 16-ch 12-bit ADC, 1.8V–3.6V, -40°C to 85°C, 100-LQFP.
$9.7401Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| 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) |
| 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 | 192KB (192K x 8) |
Product details
Frequently asked questions
What is the closest pin-compatible alternative to MSP430F5634IPZR?
The MSP430F5635 (256 KB Flash) is a pin-compatible upgrade in the same 100-LQFP package and MSP430F5xx family. Verify firmware memory map and USB descriptor size before swapping; the core, peripherals, and pinout match.
What is MSP430F5634IPZR's listed speed?
The MSP430F5634IPZR runs at 20 MHz on the MSP430 CPUXV2 core.
What series is MSP430F5634IPZR?
It belongs to the MSP430F5xx series of ultra-low-power 16-bit MCUs from Texas Instruments.