Overview
The MSP432P401RIRGCT is a mixed-signal microcontroller from Texas Instruments, part of the MSP432 family. It features the ARM Cortex-M4F CPU, which combines the low-power characteristics of the MSP430 line with the advanced processing capabilities of the ARM 32-bit architecture. This microcontroller is designed for applications requiring efficient data processing and ultra-low power operation. It includes a rich set of analog, timing, and communication peripherals, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Processor | ARM 32-Bit Cortex-M4F CPU with Floating-Point Unit and Memory Protection Unit |
| Frequency | Up to 48 MHz |
| Flash Memory | 256 KB (organized into two banks for simultaneous read/execute during erase) |
| SRAM | 64 KB (including 6 KB of backup memory) |
| ROM | 32 KB with MSP432 Peripheral Driver Libraries |
| Supply Voltage | 1.62 V to 3.7 V |
| Temperature Range | -40°C to 85°C |
| Low-Power Modes | Active: 80 µA/MHz, LPM3 (with RTC): 660 nA, LPM4: 500 nA, LPM4.5: 25 nA |
| Timers | Up to four 16-bit timers, two 32-bit timers |
| Serial Communication | Up to four eUSCI_A modules (UART, IrDA, SPI), up to four eUSCI_B modules (SPI, I2C) |
| Analog Features | 14-bit 1-MSPS SAR ADC, internal voltage reference, two analog comparators |
| Encryption and Data Integrity | 128-, 192-, or 256-bit AES encryption and decryption accelerator, 32-bit hardware CRC engine |
| Debug Interface | Support for 4-pin JTAG and 2-pin SWD, Serial Wire Trace, power debug and profiling |
| Package | VQFN (64-pin) |
Key Features
- ARM Cortex-M4F CPU: Includes a floating-point unit and memory protection unit, with a frequency up to 48 MHz.
- Ultra-Low-Power Operating Modes: Active mode at 80 µA/MHz, and various low-power modes such as LPM3, LPM4, and LPM4.5.
- Flexible Clocking: Tunable internal DCO, low-frequency crystal support, high-frequency crystal support, and internal reference oscillators.
- Analog Peripherals: 14-bit 1-MSPS SAR ADC, internal voltage reference, and two analog comparators.
- Encryption and Data Integrity: AES encryption and decryption accelerator, and a 32-bit hardware CRC engine.
- Serial Communication: Multiple eUSCI_A and eUSCI_B modules supporting UART, IrDA, SPI, and I2C.
- Code Security: JTAG and SWD lock, IP protection with up to four secure flash zones.
- System Features: Programmable supervision and monitoring of supply voltage, multiple-class resets, 8-channel DMA, and an RTC with calendar and alarm functions.
Applications
- Industrial and Automation: Home automation, smoke detectors, barcode scanners, access panels.
- Metering: Electric meters, flow meters, communication modules.
- Health and Fitness: Watches, activity monitors, fitness accessories, blood glucose meters.
- Consumer Electronics: Mobile devices, sensor hubs.
Q & A
- What is the core processor of the MSP432P401RIRGCT?
The core processor is the ARM 32-Bit Cortex-M4F CPU with a floating-point unit and memory protection unit. - What is the maximum frequency of the MSP432P401RIRGCT?
The maximum frequency is up to 48 MHz. - How much flash memory does the MSP432P401RIRGCT have?
The device has 256 KB of flash memory. - What are the low-power operating modes of the MSP432P401RIRGCT?
The device supports various low-power modes including Active, LPM3, LPM4, and LPM4.5. - What types of serial communication interfaces are available on the MSP432P401RIRGCT?
The device supports UART, IrDA, SPI, and I2C through multiple eUSCI_A and eUSCI_B modules. - Does the MSP432P401RIRGCT have built-in encryption capabilities?
Yes, it includes a 128-, 192-, or 256-bit AES encryption and decryption accelerator. - What is the temperature range for the MSP432P401RIRGCT?
The temperature range is -40°C to 85°C. - What package type is the MSP432P401RIRGCT available in?
The device is available in a VQFN (64-pin) package. - Does the MSP432P401RIRGCT support debug interfaces?
Yes, it supports 4-pin JTAG and 2-pin SWD, along with Serial Wire Trace and power debug and profiling. - What are some typical applications for the MSP432P401RIRGCT?
Typical applications include industrial automation, metering, health and fitness devices, and consumer electronics.
