To meet the energy efficiency needs of home automation and instrumentation, Silicon Laboratories (Silicon Labs) has announced the industry's lowest power single-chip wireless microcontroller (MCU). Silicon Labs' new ultra-low-power Si10xx wireless MCU (Si1000/1/2/3/4/5, Si1010/1/2/3/4/5) series fully meets battery-powered home automation systems and smart meters , indoor monitoring and security systems for power and RF requirements.
The Si10xx series integrates a high-performance, ultra-low-power CIP-51TM core 8-bit microcontroller C8051F9XX and Silicon Labs' proprietary EZRadioPRO RF transceivers in a 5mm & TImes; 7mm package, requiring only a small amount of peripheral components and PCB area. Can form a high-performance wireless transceiver system. Its MCU contains up to 25MIPS processor, 64kB Flash, low power power processing module, rich digital peripherals such as SPI, SMBUS, UART bus, PCA output array, multiple sets of timers, and analog peripherals such as 300KSPS sampling Speed ​​10-bit ADC module, temperature sensor, comparator, etc. The RF part's maximum transmit power of 20DBM, the sensitivity of -121DBm, allows the system to have up to 141DB link budget, thus achieving several times the effective working distance than similar products. It can be said that the Si10xx series offers the highest performance single-chip wireless MCU solution in the industry.
High performance, resourceful MCUThe Si10xx family of products includes a low-power mixed-signal, system-on-chip MCU. Excellent performance, rich resources and peripherals. See Figure1.1 for the main features of the following:
â– Single/double power operation, built-in DC-DC boost converter
â– 8051-compatible microcontroller core for high-speed, pipelined architecture (up to 25MIPS)
â– Full speed, non-intrusive in-system debugging interface (on-chip)
â– True 10-bit, 300ksps, 23-channel single-ended ADC with analog multiplexer
â– 6-bit programmable current reference
â– High-precision programmable 24.5MHz internal oscillator (using spread spectrum technology)
â– 64KB or 32KB of on-chip FLASH memory
â– 4352 bytes of on-chip RAM
â– Hardware implemented SMBus/I2C, enhanced UART and two SPI serial interfaces
â– 4 universal 16-bit timers
â– Programmable Counter/Timer Array (PCA) with 6 capture/compare modules and watchdog timer function
â– Hardware real-time clock (smaRTClock), operating voltage can be as low as 0.9V
â– Hardware CRC engine
â– On-chip power-on reset, VDD monitor and temperature sensor
The MCU FLASH memory has system reprogramming capabilities that can be used for non-volatile data storage and allows for field update of 8051 firmware. The user software has complete control over the peripherals and can shut down any peripherals to save power. The on-chip C2 development interface allows non-invasive, full-speed, in-system debugging using the product MCU installed on the final application system, and can operate from 0.9 to 1.8V or 1.8 to 3.6V over the industrial temperature range (ie, single or two) AAA battery).
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