How can the Hangshun HK32L08X win by solving the problem of ultra-low power MCU in smart meters?
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- 2023.09.21
(Summary description) Under the trend of new infrastructure construction, the construction of smart cities is entering a new stage of development. Water, electricity, and heat, as indispensable basic elements of life, are also developing towards intelligence, and meters used for measurement are rapidly upgrading to intelligent water, heat, and gas meters with communication capabilities. The market is in a period of rapid development, and MCU, as the main control unit in intelligent meter systems, has extremely high requirements for its quality and performance throughout the industry—— Ultra low power consumption, with flexible power management methods, to intelligently coordinate the entire machine to maintain the lowest power consumption; High integration, with rich functional components and interface resources to reduce peripheral devices while balancing cost-effectiveness; Safe and reliable, due to limitations in the installation and usage scenarios of smart meters, maintenance and replacement costs are high, so product safety and reliability are particularly important. Ultra low energy consumption MCU product HK32L08x, with three core advantages helping to break through the situation Hangshun chip based on ARM ® Cortex ®- The ultra-low energy consumption MCU product HK32L08x with M0 core further improves the HK32L0xx series MCU chip product line, helping customers solve the design difficulties of smart meter products. Functional Block Diagram of Ultra Low Power HK32L0xx Family Products (1) Support multiple working mode combinations to achieve ultra-low power consumption. In order to meet different application requirements and minimize the average power consumption of the system, low-power MCUs provide multiple operating modes for users to flexibly allocate applications; Normal operating mode: The CPU core and peripherals are working normally, and the operating frequency of the CPU and peripherals can be changed in real time or unnecessary clock sources can be turned off to achieve optimal performance. Low frequency working mode: The CPU core and peripheral work on a low-frequency clock source, such as an internal low-frequency 32K RC oscillator. Normal STOP mode: All internal registers and memory values remain unchanged, the internal clock source and internal analog module are turned off, and the LDO remains in normal working state, allowing the chip to quickly wake up and respond to external requests with high real-time requirements. Low power STOP mode: The values of all internal registers and memory remain unchanged, and the internal clock source and internal analog module are turned off while the LDO switches to low power mode. STANDBY RTC mode: Turn off internal LDO and run internal RTC timing. STANDBY mode: Turn off internal LDO, only maintain a small amount of backup register data, and only provide continuous power to some IO pins. The MCU is awakened by the IO pins or reset pins. (2) Rich functional components and interface resources Peripheral communication supports 2-way USART, 2-way UART, and 1-way low-power UART, 2-way IIC, 2-way SPI, 1-way CAN 2.0, and 1-way USB 2.0 device. Supports 1 channel 16 bit advanced timer, 3 channels with complementary dead zone output and braking function, which can be applied to motor control. Supports 4 * 32 or 8 * 28 segment LCD controllers. Supports one 16 channel 12 bit high-precision ADC, one 12 bit DAC, two voltage comparators, and three operational amplifiers. (3) High security design technology The AES circuit implemented with embedded hardware can support key lengths of 128 bits, 192 bits, and 256 bits. The embedded hardware read-write protection circuit protects the data security of the internal Flash of the chip. The embedded hardware encryption circuit encrypts the programs and data stored in the internal Flash, preventing the chip from being opened and stealing Flash programs and data. At the same time, the HK32L08x family of Hangshun chips has a rich array of products, with multiple packaging models designed to meet different design needs of customers: HK32L08xRBT6(LQFP64encapsulation):HK32L084RBT6、HK32L088RBT6(Equipped with EEPROM memory) HK32L08xCBT6(LQFP48encapsulation):HK32L084CBT6、HK32L088CBT6(Equipped with EEPROM memory) HK32L08xKBT6(LQFP32encapsulation):HK32L084KBT6、HK32L088KBT6(Equipped with EEPROM memory) HK32L088CBU6(QFN48encapsulation)(Equipped with EEPROM memory) HK32L08xKBU6(QFN32encapsulation):HK32L084KBU6、HK32L088KBU6(Equipped with EEPROM memory) In the face of the application of the new generation of intelligent IoT meters, the computing speed, storage capacity, processing capacity, and process technology of intelligent meter MCU chips still need to be further improved. Hangshun chip will continue to invest in the research and development of intelligent meter MCU, layout MCU products with lower power consumption, higher integration, and higher security, and bring better performance and quali
How can the Hangshun HK32L08X win by solving the problem of ultra-low power MCU in smart meters?
- 2023-09-21
Under the trend of new infrastructure construction, the construction of smart cities is entering a new stage of development. Water, electricity, and heat, as indispensable basic elements of life, are also developing towards intelligence, and meters used for measurement are rapidly upgrading to intelligent water, heat, and gas meters with communication capabilities.
The market is in a period of rapid development, and MCU, as the main control unit in intelligent meter systems, has extremely high requirements for its quality and performance throughout the industry——
- Ultra low power consumption, with flexible power management methods, to intelligently coordinate the entire machine to maintain the lowest power consumption;
- High integration, with rich functional components and interface resources to reduce peripheral devices while balancing cost-effectiveness;
- Safe and reliable, due to limitations in the installation and usage scenarios of smart meters, maintenance and replacement costs are high, so product safety and reliability are particularly important.
Ultra low energy consumption MCU product HK32L08x, with three core advantages helping to break through the situation
Hangshun chip based on ARM ® Cortex ®- The ultra-low energy consumption MCU product HK32L08x with M0 core further improves the HK32L0xx series MCU chip product line, helping customers solve the design difficulties of smart meter products.
Functional Block Diagram of Ultra Low Power HK32L0xx Family Products
(1) Support multiple working mode combinations to achieve ultra-low power consumption. In order to meet different application requirements and minimize the average power consumption of the system, low-power MCUs provide multiple operating modes for users to flexibly allocate applications;
- Normal operating mode: The CPU core and peripherals are working normally, and the operating frequency of the CPU and peripherals can be changed in real time or unnecessary clock sources can be turned off to achieve optimal performance.
- Low frequency working mode: The CPU core and peripheral work on a low-frequency clock source, such as an internal low-frequency 32K RC oscillator.
- Normal STOP mode: All internal registers and memory values remain unchanged, the internal clock source and internal analog module are turned off, and the LDO remains in normal working state, allowing the chip to quickly wake up and respond to external requests with high real-time requirements.
- Low power STOP mode: The values of all internal registers and memory remain unchanged, and the internal clock source and internal analog module are turned off while the LDO switches to low power mode.
- STANDBY RTC mode: Turn off internal LDO and run internal RTC timing.
- STANDBY mode: Turn off internal LDO, only maintain a small amount of backup register data, and only provide continuous power to some IO pins. The MCU is awakened by the IO pins or reset pins.
- Peripheral communication supports 2-way USART, 2-way UART, and 1-way low-power UART, 2-way IIC, 2-way SPI, 1-way CAN 2.0, and 1-way USB 2.0 device.
- Supports 1 channel 16 bit advanced timer, 3 channels with complementary dead zone output and braking function, which can be applied to motor control.
- Supports 4 * 32 or 8 * 28 segment LCD controllers.
- Supports one 16 channel 12 bit high-precision ADC, one 12 bit DAC, two voltage comparators, and three operational amplifiers.
- The AES circuit implemented with embedded hardware can support key lengths of 128 bits, 192 bits, and 256 bits.
- The embedded hardware read-write protection circuit protects the data security of the internal Flash of the chip.
- The embedded hardware encryption circuit encrypts the programs and data stored in the internal Flash, preventing the chip from being opened and stealing Flash programs and data.
At the same time, the HK32L08x family of Hangshun chips has a rich array of products, with multiple packaging models designed to meet different design needs of customers:
- HK32L08xRBT6(LQFP64encapsulation):HK32L084RBT6、HK32L088RBT6(Equipped with EEPROM memory)
- HK32L08xCBT6(LQFP48encapsulation):HK32L084CBT6、HK32L088CBT6(Equipped with EEPROM memory)
- HK32L08xKBT6(LQFP32encapsulation):HK32L084KBT6、HK32L088KBT6(Equipped with EEPROM memory)
- HK32L088CBU6(QFN48encapsulation)(Equipped with EEPROM memory)
- HK32L08xKBU6(QFN32encapsulation):HK32L084KBU6、HK32L088KBU6(Equipped with EEPROM memory)
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