San Jose, Calif. -- Zilog Inc. has beefed-up the amount of peripherals circuitry that's packed onto its latest 8-bit flash microcontroller family. There is also a new MCU development kit for a mere $39.95, that the company is launching.
Touting a high level of integration with low overall system cost, the new Z8 Encore! XP integrates a full range temperature sensor and a trans-impedance amplifier, which have their outputs processed by a sigma-delta A/D converter. With the sigma-delta approach, the full 10-bit accuracy of the converter is realized, even with the microcontroller running full speed, and with no external signal filtering components required. ZiLOG director of product marketing Michael Gershowitz, said.
"With Z8 Encore! XP, external sensors are redundant and cost prohibitive for general-purpose applications like thermostats, smoke detectors and white goods," he noted.
The Z8 Encore! XP is a scalable family of MCUs covering program memory sizes from 1KB to 64KB. It uses ZiLOG's register-to-register based architecture and features an 8-channel, 10-bit Sigma Delta A/D converter. Unlike A/Ds that are based on SAR implementations, the Encore A/D doesn't require halting the processor to get the full 10-bit accuracy.
The MCU provides further system cost savings by fully integrating the anti-aliasing filters internally, saving on external component count as well as delivering more accurate bandpass performance. With additional integrated features such as an on-chip- precision internal oscillator, non-volatile data storage memory, and large working memory, the MCU performs favorably versus competing solutions.
The MCU comes in 20 or 28-pin SOIC, SSOP and PDIP packages. The units are priced at 89 cents for a 1KB device in 20-pin SOIC and $1.44 for a 4KB device in 28-pin SOIC, each in 10K quantities.
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