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MCUs boast small footprint, low power use

Posted: 19 Apr 2013 ?? ?Print Version ?Bookmark and Share

Keywords:MCUs? SSOP? miniature devices?

Renesas Electronics Corp. has announced the RL78/G10 group as low pin count versions of the RL78/G1x series of microcontrollers (MCUs) that the company said feature excellent low-power operation and high processing performance. The devices tout on-chip flash memory capacities from 1-4kB in 10-pin and 16-pin SSOP packages.

Geared for consumer products such as small appliances, the products inherit the superlative features of the RL78 family, which include the industry's lowest level of power consumption and the ability to reduce total system costs by taking advantage of the peripheral functions integrated with the MCU itself, Renesas noted. Furthermore, the products feature reduced operating current (46uA/MHz at 20MHz basic operation) by about 30 per cent compared with existing Renesas' RL78/G13 group of MCUs (66uA/MHz at 32MHz basic operation), by improvements such as optimisation of the inner wiring, the company added.

Since consumers are now demanding high functionality in miniature devices, such as electric toothbrushes and electric razors, that were previously controlled by simple mechanical switches or logic circuit, finer control is now required in these products. Furthermore, there are increasing needs for even lower power consumption associated with battery drive in the miniature electronic equipment market, which requires these low pin count MCUs.

To respond to these needs, the RL78/G10 group low pin count MCUs in the RL78/G1x series offers low power consumption and maintains the key peripheral functions of the RL78 Family in low pin count packages.

Samples of the 10-pin SSOP of the RL78/G10 group of MCUs are available at $0.29 per unit in 10,000-unit quantities for the 10-pin SSOP with 2kB flash. Mass production of the RL78/G10 devices are scheduled to begin in June 2013 and is expected to reach a scale of 1,000,000 units per month in May 2014. Samples of the 16-pin SSOP devices will be available in the end of 2013. Pricing and availability are subject to change without notice.

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