Overview
The MSP430F5438AIZQWR is a highly advanced, ultralow-power microcontroller from Texas Instruments, part of the MSP430 ultra-low-power microcontroller family. This device is optimized for extended battery life in portable measurement applications, featuring a powerful 16-bit RISC CPU, 16-bit registers, and constant generators for maximum code efficiency. The microcontroller supports extensive low-power modes and includes a digitally controlled oscillator (DCO) that allows quick wake-up from low-power modes to active mode in 3.5 µs (typical).
Key Specifications
| Parameter | Description |
|---|---|
| CPU | 16-bit RISC Architecture |
| Program Memory | 256 KB Flash |
| RAM | 16 KB |
| ADC | 12-bit, 14 channels |
| Timers | Three 16-bit timers |
| USCI | Up to four universal serial communication interfaces |
| GPIO Pins | 87 |
| System Clock | Up to 25 MHz |
| Supply Voltage | 1.8 V to 3.6 V |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 113-BGA MICROSTAR JUNIOR |
| DMA Channels | Three channel internal DMA |
| Hardware Multiplier | 32-bit operations |
| Power Consumption (Active) | 356 µA/MHz |
| Power Consumption (Standby) | 2.3 µA (LPM3) |
Key Features
- Ultralow power consumption with extensive low-power modes
- 16-bit RISC CPU with 16-bit registers and constant generators for maximum code efficiency
- Digitally controlled oscillator (DCO) for quick wake-up from low-power modes
- High performance 12-bit analog-to-digital (A/D) converter with 14 channels
- Up to four universal serial communication interfaces (USCI)
- Three 16-bit timers and a basic timer with real-time clock feature
- Three channel internal DMA and hardware multiplier supporting 32-bit operations
- Flexible power management system with supply voltage supervision, monitoring, and brownout detection
- Serial onboard programming with no external programming voltage needed
- Fully integrated LDO with programmable regulated core supply voltage
- Wide operational range: -40°C to 125°C (some parameters specified for -40°C to 85°C only)
Applications
The MSP430F5438AIZQWR is well-suited for a variety of applications due to its rich set of features and low power consumption. These include:
- Portable consumer electronics
- Wireless sensors
- Industrial control systems
- Smart meters
- Medical devices
- Sensing and instrumentation
- Test and measurement devices
- Defense, aerospace, and medical applications due to its extended temperature range and reliability features
Q & A
- What is the CPU architecture of the MSP430F5438AIZQWR?
The MSP430F5438AIZQWR features a 16-bit RISC CPU architecture.
- How much program memory and RAM does the device have?
The device has 256 KB of Flash program memory and 16 KB of RAM.
- What is the resolution and number of channels of the ADC?
The device includes a 12-bit analog-to-digital converter with 14 channels.
- What is the maximum system clock frequency?
The maximum system clock frequency is up to 25 MHz.
- What is the operating temperature range of the device?
The operating temperature range is -40°C to 85°C, with some parameters specified for -40°C to 85°C only.
- What types of serial communication interfaces are available?
The device supports up to four universal serial communication interfaces (USCI).
- How many GPIO pins does the device have?
The device has 87 GPIO pins.
- What is the power consumption in active mode?
The active power consumption is 356 µA/MHz.
- What is the standby power consumption?
The standby power consumption is 2.3 µA (LPM3).
- Does the device support DMA?
Yes, the device supports three channel internal DMA.
- What is the package type of the MSP430F5438AIZQWR?
The package type is 113-BGA MICROSTAR JUNIOR.
