Overview
The MSP430F5437AIPN is a member of the MSP430F543xA and MSP430F541xA family of ultra-low-power microcontrollers from Texas Instruments. This device is designed to optimize power consumption and extend battery life in portable measurement applications. It features a 16-bit RISC CPU, extensive low-power modes, and a range of peripherals tailored for various applications.
The MSP430F5437AIPN is particularly suited for applications requiring low power consumption, high performance, and a robust set of peripherals. Its architecture includes a powerful CPU, multiple timers, universal serial communication interfaces, and a high-performance analog-to-digital converter (ADC).
Key Specifications
| Specification | Value |
|---|---|
| Part Number | MSP430F5437AIPN |
| Package | LQFP (80) |
| Body Size | 12 mm × 12 mm |
| Flash Memory | 256 KB |
| SRAM | 16 KB |
| Supply Voltage Range | 3.6 V down to 1.8 V |
| Active Mode Supply Current | 230 µA/MHz at 8 MHz, 3.0 V (typical) |
| Standby Mode (LPM3) Supply Current | 1.7 µA at 2.2 V, 2.1 µA at 3.0 V (typical) |
| Off Mode (LPM4) Supply Current | 1.2 µA at 3.0 V (typical) |
| Shutdown Mode (LPM4.5) Supply Current | 0.1 µA at 3.0 V (typical) |
| System Clock Frequency | Up to 25 MHz |
| Timers | Timer_A with 5 capture/compare registers, Timer_A with 3 capture/compare registers, Timer_B with 7 capture/compare shadow registers |
| Universal Serial Communication Interfaces (USCIs) | Up to four USCIs: USCI_A0, USCI_A1, USCI_A2, USCI_A3 (UART, IrDA, SPI), USCI_B0, USCI_B1, USCI_B2, USCI_B3 (SPI, I2C) |
| Analog-to-Digital Converter (ADC) | 12-bit ADC with 14 external channels, 2 internal channels, autoscan feature |
| I/O Pins | 67 I/O pins |
Key Features
- Ultra-Low Power Consumption: Active mode: 230 µA/MHz at 8 MHz, 3.0 V; Standby mode (LPM3): 1.7 µA at 2.2 V; Off mode (LPM4): 1.2 µA at 3.0 V; Shutdown mode (LPM4.5): 0.1 µA at 3.0 V.
- 16-bit RISC CPU: With 16-bit registers and constant generators for maximum code efficiency.
- Flexible Power Management: Fully integrated LDO with programmable regulated core supply voltage, supply voltage supervision, monitoring, and brownout.
- Unified Clock System: FLL control loop for frequency stabilization, low-power low-frequency internal clock source (VLO), low-frequency trimmed internal reference source (REFO), and support for high-frequency crystals up to 32 MHz.
- Timers and Counters: Three 16-bit timers: Timer_A with 5 capture/compare registers, Timer_A with 3 capture/compare registers, and Timer_B with 7 capture/compare shadow registers.
- Universal Serial Communication Interfaces (USCIs): Up to four USCIs supporting UART, IrDA, SPI, and I2C protocols.
- Analog-to-Digital Converter (ADC): 12-bit ADC with 14 external channels, 2 internal channels, and an autoscan feature.
- Hardware Multiplier and DMA: Supports 32-bit operations and includes a 3-channel internal DMA.
- RTC and Basic Timer: With alarm capabilities and fast wakeup from low-power modes).
Applications
- Analog and Digital Sensor Systems: Ideal for applications requiring precise sensor data acquisition and processing).
- Digital Motor Controls: Suitable for motor control applications due to its robust timer and PWM capabilities).
- Remote Controls: Can be used in remote control devices due to its low power consumption and serial communication interfaces).
- Thermostats: Applicable in thermostat systems where precise temperature control and low power consumption are crucial).
- Digital Timers: Suitable for digital timer applications requiring accurate timing and low power consumption).
- Hand-Held Meters: Ideal for hand-held measurement devices due to its low power consumption and robust set of peripherals).
Q & A
- What is the supply voltage range of the MSP430F5437AIPN?
The supply voltage range is from 3.6 V down to 1.8 V).
- What is the typical active mode supply current of the MSP430F5437AIPN at 8 MHz and 3.0 V?
The typical active mode supply current is 230 µA/MHz at 8 MHz and 3.0 V).
- How many I/O pins does the MSP430F5437AIPN have?
The device has 67 I/O pins).
- What types of timers are available on the MSP430F5437AIPN?
The device features three 16-bit timers: Timer_A with 5 capture/compare registers, Timer_A with 3 capture/compare registers, and Timer_B with 7 capture/compare shadow registers).
- What is the resolution and number of channels of the ADC on the MSP430F5437AIPN?
The ADC is a 12-bit converter with 14 external channels and 2 internal channels, and it includes an autoscan feature).
- Does the MSP430F5437AIPN support serial onboard programming?
Yes, it supports serial onboard programming without the need for an external programming voltage).
- What is the maximum system clock frequency of the MSP430F5437AIPN?
The maximum system clock frequency is up to 25 MHz).
- What are some of the applications for which the MSP430F5437AIPN is suitable?
It is suitable for analog and digital sensor systems, digital motor controls, remote controls, thermostats, digital timers, and hand-held meters).
- How does the MSP430F5437AIPN manage power consumption?
The device features a flexible power-management system with multiple low-power modes, including standby, off, and shutdown modes, and a fully integrated LDO with programmable regulated core supply voltage).
- What is the typical wake-up time from standby mode for the MSP430F5437AIPN?
The typical wake-up time from standby mode is 3.5 µs).
