Application of MSP430 MCU in PTN Products

Abstract: The application information of MSP430 microcontroller in PTN products is provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Abstract: PTN is a connection-oriented packet technology as the core, with end-to-end service management, hierarchical OAM and carrier-class protection and other transmission characteristics, mainly carrying carrier-class Ethernet services, compatible with TDM, ATM and other services integrated transmission technology. . For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the application article details of MSP430 microcontroller in PTN products. PTN is a connection-oriented packet technology as the core, with end-to-end service management, hierarchical OAM and carrier-class protection and other transmission characteristics, mainly carrying carrier-class Ethernet services, compatible with TDM, ATM and other services. transmission technology. The MSP430 series microcontroller is a RISC-based 16-bit ultra-low power mixed-signal processor (MixedSignalPocessor) introduced to the market by Texas Instruments (TI) in 1996. MSP430 series microcontrollers can not only be used in many traditional microcontroller applications, such as instrumentation, automatic control and consumer goods, but also in some battery-powered low-power products, such as energy meters (water meters, electricity meters, gas meters, etc.), Handheld devices, smart sensors, etc., as well as smart instruments that require high computing performance. PTN is a connection-oriented packet technology as the core, with end-to-end service management, hierarchical OAM and carrier-class protection and other transmission characteristics, mainly carrying carrier-class Ethernet services, compatible with TDM, ATM and other services. transmission technology. PTN packet transport network is currently recognized by the transport industry as the next-generation transport technology to replace SDH. 1850TSS is an end-to-end PTN transport solution with smooth evolution introduced by Alcatel-Lucent to cope with the trend determinism and mode uncertainty of mobile IP service development. 1850TSS series products include a series of devices with different capacities from access to core. Currently, TSS-3, TSS-5, TSS-40, TSS-100, TSS-160 and TSS-640/320 are launched in the domestic market. product. TSS-5 is positioned for TDM/Ethernet hybrid access scenarios. It can be configured as STM-4-level SDH/MSTP and carrier-class Ethernet/PTN platforms with 5G switching capacity, and supports TDM service emulation access at the same time. It is suitable for access application scenarios of mobile base stations. TSS-5 selects the MSP430 microcontroller (MSP430F5508) of Texas Instruments (TI) as its single-board controller to communicate with the main board. 1. Features of MSP430 MSP430 series microcontroller is a RISC-based 16-bit ultra-low power mixed-signal processor (MixedSignalPocessor) that Texas Instruments (TI) began to market in 1996. MSP430 series microcontrollers can not only be used in many traditional microcontroller applications, such as instrumentation, automatic control and consumer goods, but also in some battery-powered low-power products, such as energy meters (water meters, electricity meters, gas meters, etc.), Handheld devices, smart sensors, etc., as well as smart instruments that require high computing performance. The MSP430 series of microcontrollers perfectly combine intelligent peripherals, ease of use, low cost, and the industry's lowest power consumption to meet the requirements of various applications. The key features of the MSP430 series of microcontrollers include: 1) Ultra-low power (ULP) architecture and a highly flexible clock system can significantly extend battery life; 2) Integrate a variety of intelligent peripherals: a variety of high-performance analog and digital peripherals can significantly extend battery life Reduce the workload of the CPU; 3) The easy-to-use 16-bit RISCCPU architecture can realize the latest applications with industry-leading code density; 4) A complete industrial development environment, Texas Instruments provides a complete set of development tools as well. The microcontroller model selected by the TSS-5 system is MSP430F5508, as shown in Figure 1. MSP430F5508 is equipped with integrated USB2.0 interface, 4 16-bit timers, high-performance 10-bit analog-to-digital converter, 2 serial communication USART (UART, SPI and I2C) interfaces, hardware multiplier, direct data access (DMA), real-time clock module with alarm capability, 25MHz clock, 16K flash, 6kSRAM and 47 pins. 2. Function of TSS-5 single-board controller The TSS-5 system adopts Linux embedded real-time operating system, and selects MSP430F5508 as a general single-board controller. All single-boards share a microcontroller firmware version. The serial port of the microcontroller has two working modes: BSL mode and APP mode. The microcontroller uses the BSL mode to download the firmware version of the microcontroller, and the APP mode is used for normal operation. As shown in Figure 2, the general functions of the TSS-5 microcontroller in APP mode include: communicating with the main board, storing the resource details (RI) of the board, detecting the slot number and latch status, and controlling the board LEDs It monitors the voltage and current of the board, monitors the board temperature through the integrated temperature sensor, and collects and reports board alarms through the analog-to-digital conversion module (ADC). For some special function boards, the microprocessor provides special functions,For example, the microprocessor on the power board also supports the control of 48V voltage switches, and the microprocessor on the Access board supports protection switching. The microprocessor on the I/O board supports FPGA download and update through the USB interface. For the AHSM board, the microprocessor is also used to output alarms to an external alarm. The microprocessor on the A4GFX board also supports reading SFP information. P16FE8X and The microprocessor on the A8GFE board supports resetting the clock, and the microcontroller on the fan board supports controlling the fan speed.

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