Freescale Semiconductor has introduced a 16-bit microcontroller (MCU) designed for the next wave in automotive instrumentation clusters. The MC9S12XHZ512 MCU is claimed to be the first instrumentation cluster MCU featuring an integrated thin-film transistor (TFT) display drive.
With its on-chip TFT driver, the S12XHZ512 device enables instrumentation cluster designers to reduce the complexity of their designs and quickly and cost-effectively implement high-quality graphic displays on low-end automotive dashboards. TFT displays - standard fare in laptops, cellphones and other mobile appliances - are gaining momentum in the mainstream automotive market as the technology becomes more cost-effective.
Freescale's latest MCU addresses the instrumentation cluster market, and TFT applications in particular, by offering optimal integration and application-specific features.
The S12HZ family is based on Freescale's high-volume S12 architecture and boasts 15 members, ranging from the budget 32 KB ROM versions to devices with up to 256 KB of flash memory. Featuring the enhanced S12X core, the S12XHZ512 provides a high-performance, backward-compatible extension to the established S12HZ. The S12XHZ512 is upwardly code compatible with the HCS12 family, enabling developers with previous systems based on the HCS12 to re-use design tools.
In addition to supporting TFT displays, the device can drive analog gauges, LCD and LED displays. Key S12XHZ512 features for instrumentation cluster designers include 512 KB of on-chip flash memory (twice that of its S12HZ predecessor), an LCD driver and stepper motor drivers for gauges.
For more information contact Arrow Altech Distribution, +27 (0) 21 555 1884, Avnet Kopp, +27 (0) 11 809 6100, or EBV Electrolink, +27 (0) 21 402 1940.
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