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Low-power 4bit MCU integrates high-res LCD driver

Posted: 15 May 2008 ?? ?Print Version ?Bookmark and Share

Keywords:4bit flash MCU? LCD driver? LCD panel?


Seiko Epson Corp. has developed the S1C6F632, a low-power-consumption 4bit flash MCU that contains what is touted to be highest resolution dot matrix LCD driver.

Targeted at growing demand for high-resolution displays required by products such as sports watches, especially in the Japanese and Chinese markets, the 4bit MCU is a microcomputer with an on-chip LCD driver featuring resolution of 48 SEG x 32 COM (1,536 dots). Connecting LCD panels directly to the MCU makes display of Chinese characters, graphs and more a simple matter. With Epson's low-power analog IP and low leak current process technology, standby power consumption is just 0.7?A, extending the battery life.

The S1C6F632 also features on-chip 31,744 word high-capacity flash memory. Peripheral circuits include a resistance-to-frequency A/D type converter (R/F converter) capable of easily monitoring temperature and humidity. The MCU's single port supply voltage internally generates multiple voltages required to drive LCD panels, eliminating the need for a dedicated external power supply. Since a dedicated display chip is also unnecessary, the S1C6F632 enables devices for applications with LCDs to be constructed with the minimum number of components.

These capabilities make the S1C6F632 suitable for regular or sports-type watches, clocks and weather stations, or other such products where long battery life, space-saving, temperature/humidity monitoring and enhanced monochrome display are important considerations.

Shipment of S1C6F632 samples will begin in June and volume production of 500,000 units per month is scheduled to start in August.

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