Overview
The Texas Instruments MSP430F427IPMR is a member of the MSP430 family of ultra-low-power microcontrollers. This device is designed for applications requiring high precision and low power consumption. It features a 16-bit RISC CPU with a 125-ns instruction cycle time, making it highly efficient for various measurement and sensing tasks. The MSP430F427IPMR is particularly suited for handheld metering equipment, weigh scales, and energy meters due to its integrated peripherals and power-saving capabilities.
Key Specifications
| Parameter | Specification |
|---|---|
| Microcontroller Type | 16-Bit RISC |
| Clock Speed | Up to 8 MHz |
| Flash Memory | 32 KB + 256 B |
| RAM | 1 KB |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Power Consumption (Active Mode) | 400 µA at 1 MHz, 3 V |
| Power Consumption (Standby Mode) | 1.6 µA |
| Power Consumption (Off Mode with RAM Retention) | 0.1 µA |
| Analog-to-Digital Converters (ADCs) | Three independent 16-bit Sigma-Delta ADCs with differential PGA inputs |
| Timer | 16-Bit Timer_A with three capture/compare registers |
| LCD Driver | Integrated LCD driver for 128 segments |
| Serial Communication Interface | USART (asynchronous UART or synchronous SPI) |
| Package Type | 64-Pin Quad Flat Pack (LQFP) |
Key Features
- Ultra-low power consumption with five power-saving modes
- Wake up from standby mode in less than 6 µs
- Frequency-Locked Loop (FLL+)
- Three independent 16-bit Sigma-Delta ADCs with differential PGA inputs
- 16-Bit Timer_A with three capture/compare registers
- Integrated LCD driver for 128 segments
- Serial Communication Interface (USART) supporting asynchronous UART or synchronous SPI
- Brownout detector and supply voltage supervisor with programmable level detection
- Serial onboard programming without external programming voltage, and programmable code protection by security fuse
- Bootloader (BSL) for easy firmware updates
Applications
The MSP430F427IPMR is typically used in high-resolution measurement applications such as:
- Handheld metering equipment
- Weigh scales
- Energy meters
These applications benefit from the device's ultra-low power consumption, precise analog-to-digital conversion, and integrated LCD drive capability.
Q & A
- What is the clock speed of the MSP430F427IPMR?
The MSP430F427IPMR can operate at clock speeds up to 8 MHz.
- What is the memory configuration of the MSP430F427IPMR?
The device has 32 KB of flash memory and 1 KB of RAM, along with an additional 256 B of flash memory.
- What is the supply voltage range for the MSP430F427IPMR?
The supply voltage range is from 1.8 V to 3.6 V.
- How much power does the MSP430F427IPMR consume in active mode?
In active mode, the device consumes 400 µA at 1 MHz and 3 V.
- What types of ADCs are integrated into the MSP430F427IPMR?
The device features three independent 16-bit Sigma-Delta ADCs with differential PGA inputs.
- Does the MSP430F427IPMR have an integrated LCD driver?
Yes, it has an integrated LCD driver capable of driving 128 segments.
- What serial communication interfaces are supported by the MSP430F427IPMR?
The device supports USART, which can be configured as either an asynchronous UART or a synchronous SPI.
- How quickly can the MSP430F427IPMR wake up from standby mode?
The device can wake up from standby mode in less than 6 µs.
- What package type is the MSP430F427IPMR available in?
The device is available in a 64-Pin Quad Flat Pack (LQFP) package.
- Does the MSP430F427IPMR support onboard programming?
Yes, it supports serial onboard programming without the need for an external programming voltage.
