The compatible RX630, RX63N, and RX210 microcontroller families, targeting smart-metering applications, use the vendor's 32-bit RX core and advanced MONOS flash processors. The RX210 provides flash operation as fast as 50 MHz at 3.3V and 20 MHz at voltages as low as 1.62V, including flash programming and erasure. These features ease the design of applications requiring battery backup and read performance during power-off. The RX210 integrates as much as 512 kbytes of on-chip flash memory and 8 kbytes of on-chip data flash, supporting 100,000 write/erase cycles and programming and erasing in the background.
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