■ DESCRIPTION

MB90385 series devices are general-purpose high-performance 16-bit micro controllers designed for process control of consumer products, which require high-speed real-time processing. The devices of this series have the built-in full-CAN interface.

■ FEATURES

• Clock

• Built-in PLL clock frequency multiplication circuit

• Selection of machine clocks (PLL clocks) is allowed among frequency division by two on oscillation clock, and multiplication of 1 to 4 times of oscillation clock (for 4-MHz oscillation clock, 4 MHz to 16 MHz).

• Operation by sub-clock (8.192 kHz) is allowed.

• Minimum execution time of instruction: 62.5 ns (when operating with 4-MHz oscillation clock, and 4-time multiplied PLL clock).

• 16 Mbyte CPU memory space

• 24-bit internal addressing

• 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

• Powerful interrupt function with 8 levels and 34 factors

• Automatic data transfer function independent of CPU

• Expanded intelligent I/O service function (EI2 OS): Maximum of 16 channels

• Low power consumption (standby) mode

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

• Time-base timer mode (a mode that operates oscillation clock, sub clock, time-base timer and clock timer only)

• Clock 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

• Process

• CMOS technology

• I/O port

• General-purpose input/output port (CMOS output) :

MB90387, MB90F387 : 34 ports (including 4 high-current output ports)

MB90387S, MB90F387S : 36 ports (including 4 high-current output ports)

• Timer

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

• 8/16-bit PPG timer: 8-bit x 4 channels, or 16-bit x 2 channels

• 16-bit reload timer: 2 channels

• 16-bit input/output timer

- 16-bit free run timer: 1 channel

- 16-bit input capture: (ICU): 4 channels

Interrupt request is issued upon latching a count value of 16-bit free run timer by detection of an edge on pin input.

• CAN controller: 1 channel

• Compliant with Ver2.0A and Ver2.0B CAN specifications

• 8 built-in message buffers

• Transmission rate of 10 Kbps to 1 Mbps (by 16 MHz machine clock)

• CAN wake-up

• UART (SCI): 1 channel

• Equipped with full-duplex double buffer

• Clock-asynchronous or clock-synchronous serial transmission is available.

• DTP/External interrupt: 4 channels, CAN wakeup: 1channel

• Module for activation of expanded intelligent I/O service (EI2OS), and generation of external interrupt.

• Delay interrupt generator module

• Generates interrupt request for task switching.

• 8/10-bit A/D converter: 8 channels

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

• Activation by external trigger input is allowed.

• Conversion time: 6.125 µs (at 16-MHz machine clock, including sampling time)

• Program patch function

• Address matching detection for 2 address pointers.