The MB90340-series with up to 2 FULL-CAN* interfaces and FLASH ROM is especially designed for automotive and other industrial applications. Its main feature are the on-board CAN Interfaces, which conform to V2.0 Part A and Part B, while supporting a very flexible message buffer scheme and so offering more functions than a normal full CAN approach. With the new 0.35 m CMOS technology, Fujitsu now offers on-chip FLASH-ROM program memory up to 512 Kbytes. The power supply (3 V) is supplied to the internal MCU core from an internal regulator circuit. This creates a major advantage in terms of EMI and power consumption. The internal PLL clock frequency multiplier provides an internal 42 ns instruction cycle time from an external 4 MHz clock.