MSC now offers the first new RX210 Group 32-bit MCUs from Renesas Electronics. Key features of these devices are a low current consumption of just 0.21 mA/DMIPS at 50 MHz clock frequency and only 1.3 µA in deep standby mode with the real-time clock (RTC) running as well as a wide operating voltage range from 1.62 V to 5.5 V. The MCUs, with a maximum operating frequency of 50 MHz, offer a computing performance of up to 78 Dhrystone million instructions per second (DMIPS) with zero wait-states from internal flash memory. A special multi-stage internal voltage regulator allows the RX210 devices to operate with up to 32 MHz at just 1.8 V supply voltage, and with up to 20 MHz at just 1.62 V. The RX210 Group MCUs are equipped with 8 KB data flash with 100,000 write/erase cycles, up to 512 KB flash memory and up to 64 KB of SRAM. Furthermore, many peripherals that are well-known from the RX600 Series – such as high- and low-speed oscillators, fast (1 µs conversion time) 12-bit analog-to-digital converters (ADCs) with three sample-hold circuits, serial channels with USART, SPI and I2C interfaces, a full-function RTC with three tamper-detection inputs, analog comparators, 10-bit digital-to-analog converters (DACs), a temperature sensor, optional CPU external bus, direct memory access (DMA) controllers as well as a special event link controller (ELC) to sequence events across different peripherals without disturbing the CPU – are implemented on the devices. It is particularly worthy of note that the internal analog peripherals continue to function even when the operating voltage is as low as 1.62 V. Many functions, which support the IEC 60730 appliance safety standard – for example, a marching data test pattern is automatically swept through SRAM and confirmed in the background – not only ensure high data and code integrity but also clock stability and proper signal sampling. The RX210 Group MCUs are ideally suited for use in smart meters, climate control, intelligent sensors and nearly every type of portable battery-operated devices. The MCUs are available in LQFP (low quad flat package) and TFLGA (thin fine-pitch land grid array) package options with 64, 80 and 100 pins. In addition, from May 2011 MSC will offer its own evaluation kit for the RX210 Group of MCUs. The evaluation kit will enable developers to quickly and easily obtain an overview of the performance capabilities of the RX210 Group MCUs and the associated development tools.
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