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■ DESCRIPTION

MB90860E-series with Flash ROM is especially designed for automotive and other industrial applications. With the new 0.35 μm 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.

The unit features an 8 channel Output Compare Unit and 8 channel Input Capture Unit with 2 separate 16-bit free running timers. 4 UARTs constitute additional functionality for communication purposes.

■ FEATURES

? CPU

? Instruction system best suited to controller

? Wide choice of data types (bit, byte, word, and long word)

? Wide choice of addressing modes(23 types)

? Enhanced multiply-divide instructions and RETI instructions

? Enhanced high-precision computing with 32-bit accumulator

? Instruction system compatible with high-level language (C language) and multitask

? Employing system stack pointer

? Enhanced various pointer indirect instructions

? Barrel shift instructions

? Increased processing speed

? 4-byte instruction queue

? Serial interface

? UART (LIN/SCI) : up to 4 channels

? Equipped with full-duplex double buffer

? Clock-asynchronous or clock-synchronous serial transmission is available

? I2C interface* : up to 2 channels

? Up to 400 Kbits/s transfer rate

? Interrupt controller

? Powerful interrupt function

? Powerful 8-level, 34-condition interrupt feature

? Up to 16 external interrupts are supported

? Automatic data transfer function independent of CPU

? Expanded intelligent I/O service function (EI2OS) : up to 16 channels

? I/O port

? General-purpose input/output port (CMOS output)

- 80 ports (devices without S-suffix)

- 82 ports (devices with S-suffix)

? 8/10-bit A/D converter

? 8/10-bit A/D converter : 24 channels

? Resolution is selectable between 8-bit and 10-bit.

? Activation by external trigger input is allowed.

? Conversion time : 3 μs (at 24-MHz machine clock, including sampling time)

? Program patch function

? Timer

? Time-base timer, clock timer, watchdog timer : 1 channel

? 8/16-bit PPG timer : 8-bit × 16 channels, or 16-bit × 8 channels

? 16-bit reload timer : 4 channels

? 16-bit input/output timer

- 16-bit free run timer : 2 channel

(FRT0 : ICU 0/1/2/3, OCU 0/1/2/3, FRT1 : ICU 4/5/6/7, OCU 4/5/6/7)

- 16-bit input capture: (ICU) : 8 channels

- 16-bit output compare : (OCU) : 8 channels

? Variety of mode

? Low power consumption (standby) mode

? Sleep mode (a mode that halts CPU operating clock)

? Main timer mode (time-base timer mode that is transferred from main clock mode)

? PLL timer mode (time-base timer mode that is transferred from PLL clock mode)

? Watch mode (a mode that operates sub clock and clock timer only)

? Stop mode (a mode that stops oscillation clock and sub clock)

? CPU blocking operation mode

? Technology

? 0.35 μm CMOS technology