■ 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