Overview
The Texas Instruments MSP430F6723IPNR is a single-phase metering System-on-Chip (SoC) designed for ultra-low power consumption and high performance in various measurement applications. This microcontroller is part of the MSP430 family, known for its extensive low-power modes and optimized architecture to achieve extended battery life in portable devices. The MSP430F6723IPNR features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. It also includes a digitally controlled oscillator (DCO) that allows the device to wake up from low-power modes to active mode in just 3 µs (typical).
Key Specifications
| Specification | Details |
|---|---|
| Package | LQFP (PN) with 80 pins |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 3.6 V down to 1.8 V |
| Flash Memory | 64 KB |
| RAM | 4 KB |
| System Clock | Up to 25 MHz |
| Active Mode Power Consumption | 265 µA/MHz at 8 MHz, 3.0 V (Flash), 140 µA/MHz at 8 MHz, 3.0 V (RAM) |
| Standby Mode (LPM3) Power Consumption | 1.7 µA at 2.2 V, 2.5 µA at 3.0 V |
| Off Mode (LPM4) Power Consumption | 1.6 µA at 3.0 V |
| Shutdown RTC Mode (LPM3.5) Power Consumption | 1.24 µA at 3.0 V |
| Shutdown Mode (LPM4.5) Power Consumption | 0.78 µA at 3.0 V |
| ADCs | Two 24-bit Sigma-Delta ADCs, one 10-bit ADC |
| Timers | Four 16-bit timers |
| Serial Communication Interfaces | Four enhanced universal serial communication interfaces (eUSCI_A and eUSCI_B) |
| RTC | Password-protected RTC with crystal offset calibration and temperature compensation |
| LCD Driver | Integrated LCD driver with contrast control for up to 320 segments in 8-Mux mode |
Key Features
- Ultra-Low Power Consumption: Various low-power modes including Standby, Off, Shutdown RTC, and Shutdown modes to minimize power usage.
- High-Performance ADCs: Two 24-bit Sigma-Delta ADCs and one 10-bit ADC with differential PGA inputs and internal reference.
- Integrated LCD Driver: Supports up to 320 segments in 8-Mux mode with contrast control.
- Enhanced Serial Communication Interfaces: Includes eUSCI_A and eUSCI_B modules supporting UART, SPI, I2C, and IrDA.
- Real-Time Clock (RTC): Password-protected RTC with crystal offset calibration and temperature compensation.
- Hardware Multiplier and DMA: Supports 32-bit operations and includes a 3-channel internal DMA module.
- Flexible Power Management: Fully integrated LDO with programmable regulated core supply voltage and supply voltage supervision.
- Serial Onboard Programming: No external programming voltage needed.
Applications
The MSP430F6723IPNR is primarily designed for single-phase metering applications, including electronic watt-hour meters. It is also suitable for other portable measurement applications where ultra-low power consumption and high performance are critical. Additional applications include:
- Smart Energy Meters
- Portable Measurement Devices
- Industrial Automation
- Medical Devices
- Consumer Electronics requiring low power and high precision measurement
Q & A
- What is the package type and pin count of the MSP430F6723IPNR?
The MSP430F6723IPNR comes in an LQFP (PN) package with 80 pins.
- What is the operating temperature range of the MSP430F6723IPNR?
The operating temperature range is -40°C to 85°C.
- What are the key ADC features of the MSP430F6723IPNR?
The device features two 24-bit Sigma-Delta ADCs and one 10-bit ADC with differential PGA inputs and internal reference.
- How does the MSP430F6723IPNR manage power consumption?
The device has various low-power modes including Standby, Off, Shutdown RTC, and Shutdown modes to minimize power usage.
- What serial communication interfaces are supported by the MSP430F6723IPNR?
The device supports UART, SPI, I2C, and IrDA through its enhanced universal serial communication interfaces (eUSCI_A and eUSCI_B).
- Does the MSP430F6723IPNR have an integrated LCD driver?
Yes, it supports up to 320 segments in 8-Mux mode with contrast control.
- What is the purpose of the real-time clock (RTC) in the MSP430F6723IPNR?
The RTC is password-protected and includes crystal offset calibration and temperature compensation.
- Can the MSP430F6723IPNR be programmed onboard without an external voltage?
Yes, the device supports serial onboard programming without the need for an external programming voltage.
- What are the primary applications of the MSP430F6723IPNR?
The primary applications include single-phase metering, electronic watt-hour meters, and other portable measurement applications.
- How quickly can the MSP430F6723IPNR wake up from standby mode?
The device can wake up from standby mode to active mode in 3 µs (typical).
