The C868 is a new member of Infineon Technologies' 8 bit microcontroller portfolio. It provides advanced control over one's application and lowers system costs. For development and ramp-up a SRAM version offers high flexibility at low system costs. An on-chip monitor helps for system evaluation and debugging. The compatible ROM version is well-suited for high volume production.
The C868 fulfils all requirements for power bridge control, where a fast and high resolving PWM (CAPCOM6E) is needed. All time critical issues are handled by hardware with the flexible CAPCOM6E, whereas the CPU handles user commands and can be used for simple control algorithms. Thereby the embedded 5 ch/8 bit ADC helps analyse the relevant system parameters.
The chip is well positioned for all kinds of consumer, industrial and automotive power control applications where reduction of system costs is a key challenge.
Key features are: standard 8051 architecture; 300 ns instruction cycle time at 40 MHz CPU clock; PLL (factor 1-4); 8 KB ROM/SRAM; 256 B RAM, 256 B XRAM; three 16-bit timer/counters; powerful PWM unit (CAPCOM6E); HW emergency stop; 25 ns resolution; bootstrap loader; ADCs: 5 channels/8 bit, 2 pure analog channels/3 mixed with external interrupt; full-duplex UART; 18 I/O pins with push/pull and sink capability (10 mA); flexible power management.
Packages are: P-TSSOP-38 and P-DSO-28. The IC is suited for induction machines, DC brushless motors, switched reluctance drives, power factor correction, lamp ballast, and battery management.
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