■DESCRIPTION
The MB90570 series is a general-purpose 16-bit microcontroller developed and designed by Fujitsu for process control applications in consumer products that require high-speed real time processing. It contains an I2C bus interface that allows inter-equipment communication to be implemented readily. This product is well adapted to car audio equipment, VTR systems, and other equipment and systems.

■FEATURES
•Clock
   Embedded PLL clock multiplication circuit
   Operating clock (PLL clock) can be selected from 1/2 to 4×oscillation (at oscillation of 4 MHz, 4 Hz to 16 MHz).
   nimum instruction execution time: 62.5 ns (at oscillation of 4 MHz, 4×PLL clock, operation at VCC f 5.0 V)
• Maximum memory space 16 Mbytes