DSP, Micros & Memory


Small form factor MCUs with EPROM

28 May 2008 DSP, Micros & Memory

Silicon Laboratories has expanded its range of small form factor micro-controllers (MCUs) with the C8051T630 family of 8-bit MCUs.

Pin-for-pin compatible with the C8051F330 family, the T630 devices are low-cost, feature-rich, EPROM-based MCUs that give designers the ability to easily interchange the two MCU families for a given product platform.

The T630 family is based on a patented, pipelined, single-cycle 8051 core that delivers up to 25 MIPS of CPU bandwidth while providing high functional density per square millimetre. The MCU integrates a 10-bit, 500 kSps analog-to-digital converter (ADC) with an on-chip voltage reference. It also offers a true analog output with its 10-bit digital-to-analog converter (DAC) that can be used for sensor excitation, fast-responsive control or high-end user output. Additional on-chip features include a voltage regulator and precision internal oscillator.

Systems using the T630 family can be designed and prototyped using the F330 family Flash memory equivalent and then switched to T630 without any hardware changes. A full-featured development kit is available containing all the hardware and software required to develop an embedded system using the T630, including a socket to program EPROM OTP memory.

Silicon Labs' small form factor MCUs provide 'four-corner operation', which means they do not require special operating conditions to achieve the optimal datasheet specifications. The CPU is designed to operate at 25 MHz over the entire allowed operating temperature and power supply voltage ranges. ADC speed and accuracy is also guaranteed over the entire allowed temperature and voltage supply range with the CPU operating at full speed. The on-board precision oscillator is designed and calibrated to 2% for worst case temperature and supply voltage, so that accuracy always meets the minimum specification.



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