Overview
The MSP430F5438AIZCAR is an ultra-low-power microcontroller from Texas Instruments, part of the MSP430F5xx 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 includes extensive low-power modes and a digitally controlled oscillator (DCO) that allows for quick wake-up from low-power modes to active mode in 3.5 µs (typical).
Key Specifications
| Parameter | Specification |
|---|---|
| Package | NFBGA (ZCA) with 113 pins |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 1.8 V to 3.6 V |
| System Clock | Up to 25 MHz |
| Flash Memory | 256 KB |
| SRAM | 16 KB |
| ADC | 12-bit, 14 external channels, 2 internal channels |
| Timers | Three 16-bit timers (Timer_A and Timer_B) |
| USCI | Up to four universal serial communication interfaces (UART, IrDA, SPI, I2C) |
| Hardware Multiplier | Supports 32-bit operations |
| DMA | Three-channel internal DMA |
| Power Consumption | Active mode: 230 µA/MHz at 8 MHz, 3.0 V; Standby mode (LPM3): 1.7 µA at 2.2 V, 2.1 µA at 3.0 V (typical) |
Key Features
- 16-bit RISC architecture with 16-bit registers and constant generators for maximum code efficiency
- Extended memory and up to 25-MHz system clock
- Flexible power-management system with fully integrated LDO and programmable regulated core supply voltage
- Supply voltage supervision, monitoring, and brownout detection
- Unified clock system with FLL control loop for frequency stabilization and low-power low-frequency internal clock source (VLO)
- Hardware multiplier supporting 32-bit operations
- Serial onboard programming without external programming voltage
- Three-channel internal DMA and basic timer with real-time clock feature
- Up to four universal serial communication interfaces (USCI) supporting UART, IrDA, SPI, and I2C
- 12-bit analog-to-digital converter (ADC) with autoscan feature and 14 external channels, 2 internal channels
Applications
The MSP430F5438AIZCAR is suitable for a variety of applications, including:
- Analog and digital sensor systems
- Digital motor control
- Remote controls
- Thermostats
- Digital timers
- Hand-held meters
- Defense, aerospace, and medical applications due to its extended temperature range and controlled baseline features
Q & A
- What is the package type of the MSP430F5438AIZCAR?
The MSP430F5438AIZCAR comes in an NFBGA (ZCA) package with 113 pins.
- What is the operating temperature range of the MSP430F5438AIZCAR?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the MSP430F5438AIZCAR?
The supply voltage range is 1.8 V to 3.6 V.
- What is the maximum system clock frequency of the MSP430F5438AIZCAR?
The maximum system clock frequency is up to 25 MHz.
- How much flash and SRAM memory does the MSP430F5438AIZCAR have?
The device has 256 KB of flash memory and 16 KB of SRAM.
- What are the key features of the ADC in the MSP430F5438AIZCAR?
The ADC is a 12-bit converter with an autoscan feature, 14 external channels, and 2 internal channels.
- What types of timers are available on the MSP430F5438AIZCAR?
The device features three 16-bit timers (Timer_A and Timer_B).
- What communication interfaces are supported by the MSP430F5438AIZCAR?
The device supports up to four universal serial communication interfaces (USCI) including UART, IrDA, SPI, and I2C.
- What is the power consumption in active and standby modes?
In active mode, the power consumption is 230 µA/MHz at 8 MHz, 3.0 V. In standby mode (LPM3), it is 1.7 µA at 2.2 V, 2.1 µA at 3.0 V (typical).
- What are some typical applications for the MSP430F5438AIZCAR?
Typical applications include analog and digital sensor systems, digital motor control, remote controls, thermostats, digital timers, and hand-held meters. It also supports defense, aerospace, and medical applications.
