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16bit MCU enables 5120-dot high-res display

Posted: 15 Apr 2010 ?? ?Print Version ?Bookmark and Share

Keywords:microcontroller? MCU? flash memory? LCD?

S1C17706 MCU

Seiko Epson Corp. has begun shipping samples of the S1C17706 16bit microcontroller capable of 5120-dot high-resolution display.

In order to achieve higher quality, more vivid images, the S1C17706 features a 5120-dot LCD driver, a 4 grayscale display that makes it possible to display anti-aliased images, and built-in 1Mbyte flash memory that enables it to store large volumes of display contents. By incorporating these functions on a single chip, Epson has achieved a MCU that consumes only one-fifth of the power used by previous configurations, making the S1C17706 ideal for applications that run on small batteries.

The S1C17706 IC touted to have the highest resolution and highest-capacity flash memory within the S1C17700 series, a line-up which features a low-power consumption 16bit MCU with a dot matrix LCD driver. While Epson's previous MCU models use only black-and-white binary images, the S1C17706 is able to add half-tone values with its 4 grayscale control circuit, improving the power of expression in addition to achieving high resolution. Furthermore, its high-capacity built-in 1Mbyte flash memory enables it to store display data such as character sets as well as complex software without the need for external memory.

The S1C17706 is also equipped with frame memory for display and LCD driver voltage generator circuit. Contrast adjustment possible via software. The device is also packed with n-line inversion function to reduce crosstalk and partial display function that achieves low power consumption through non-display of discretionary common lines. The MCU features gold-bumped wafers that allow chip-on-film and other low profile packages. Gold bumped wafers are the standard product for delivery but the device is also available as bare chip and QFP22-256 package.

The 16bit MCU also packs a wide range of peripheral equipment such as ADC, RF converter, real-time clock, various timer circuits and serial interface support. The device also operates at low power: 1.2?A (typical @ 3V) in sleep state and 9.7?A (typical @ 3V, no panel load, when display is fully lit) when driver is in use.

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