Overview
The MSP432P401RIZXHR is a mixed-signal microcontroller from Texas Instruments, part of the MSP432P401x family. It features the ARM Cortex-M4F processor, known for its high performance and ultra-low power consumption. This MCU combines the low-power DNA of the MSP430 series with the advanced mixed-signal features and processing capabilities of the ARM 32-bit Cortex-M4 RISC engine. The device is designed to cater to a wide range of applications where efficient data processing and low-power operation are crucial.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor | ARM 32-Bit Cortex-M4F CPU with Floating-Point Unit and Memory Protection Unit |
| Frequency | Up to 48 MHz |
| Flash Memory | Up to 256KB (organized into two banks for simultaneous read/execute during erase) |
| Information Memory | 16KB of Flash Information Memory (for BSL, TLV, and Flash Mailbox) |
| SRAM | Up to 64KB (including 6KB of backup memory) |
| ROM | 32KB with MSP432 Peripheral Driver Libraries |
| Supply Voltage | 1.62 V to 3.7 V |
| Temperature Range | -40°C to 85°C |
| Power Consumption | Active: 80 µA/MHz, LPM3 (with RTC): 660 nA, LPM4: 500 nA, LPM4.5: 25 nA (typical) |
| Clocking Features | Tunable Internal DCO (up to 48 MHz), 32.768 kHz LFXT, HFXT up to 48 MHz, REFO, VLO, MODOSC, SYSOSC |
| Timers | Up to four 16-bit timers, two 32-bit timers, RTC with calendar and alarm functions |
| 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 |
| I/O Features | Ultra-low-leakage I/Os, capacitive-touch capability, up to 48 I/Os with interrupt and wake-up capability |
Key Features
- ARM Cortex-M4F Processor: High-performance CPU with floating-point unit and memory protection unit.
- Ultra-Low Power Operation: Active mode at 80 µA/MHz, and various low-power modes such as LPM3, LPM4, and LPM4.5.
- Flexible Clocking: Tunable internal DCO, support for low-frequency and high-frequency crystals, and internal oscillators.
- Rich Peripherals: Multiple timers, real-time clock, DMA, and advanced serial communication interfaces (UART, SPI, I2C, IrDA).
- Advanced Analog Features: 14-bit SAR ADC, internal voltage reference, and analog comparators.
- Encryption and Data Integrity: AES encryption and decryption accelerator, and a 32-bit hardware CRC engine.
- Code Security: JTAG and SWD lock, IP protection with secure flash zones.
- Flexible I/Os: Ultra-low-leakage I/Os with capacitive-touch capability and interrupt/wake-up features.
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.
- IoT and Wireless Applications: Supports Wi-Fi and Bluetooth Low Energy (BLE) for IoT applications.
- Security Systems: Power-critical embedded applications, security systems.
Q & A
- What is the processor used in the MSP432P401RIZXHR?
The MSP432P401RIZXHR uses the ARM 32-Bit Cortex-M4F CPU with a floating-point unit and memory protection unit.
- What is the maximum operating frequency of the MSP432P401RIZXHR?
The maximum operating frequency is up to 48 MHz.
- How much flash memory does the MSP432P401RIZXHR have?
The device has up to 256KB of flash memory.
- What are the power consumption characteristics of the MSP432P401RIZXHR?
Active mode: 80 µA/MHz, LPM3 (with RTC): 660 nA, LPM4: 500 nA, LPM4.5: 25 nA (typical).
- What types of serial communication interfaces are available on the MSP432P401RIZXHR?
The device supports UART, IrDA, SPI, and I2C interfaces.
- Does the MSP432P401RIZXHR 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 MSP432P401RIZXHR?
The operating temperature range is -40°C to 85°C.
- Can the MSP432P401RIZXHR be used in battery-powered devices?
Yes, it is designed for ultra-low power operation, making it suitable for battery-powered applications.
- What development tools are supported for the MSP432P401RIZXHR?
The device can be programmed using Energia, IAR Workbench, Keil, and Code Composer Studio (CCS).
- Does the MSP432P401RIZXHR support real-time operating systems (RTOS)?
Yes, it supports RTOS for high-performance applications.
