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CHAPTER 1 OVERVIEW
1.1
MB90460/465 Series Features
The MB90460/465 series is a line of general-purpose, 16-bit microcontrollers designed
for those applications which require high-speed real-time processing, proving to be
suitable for various industrial machines and motor control (AC induction motor and
brushless DC motor). These microcontrollers consist of a multi-functional timer for AC/
DC motor control and a multi-pulse generator for DC motor control, which can generate
various type of waveform.
The instruction set is designed to be optimized for controller applications which
inheriting the AT architecture of F
tasks to be processed efficiently at high speed.
■ MB90460/465 Series Features
●
Clock
• Embedded PLL clock multiplication circuit
• Operating clock (PLL clock) can selected from divided-by-2 of oscillation or one to four times the
oscillation (at oscillation of 4 MHz, 4 MHz to 16 MHz)
• Minimum instruction execution time of 62.5 ns (at oscillation of 4 MHz, four times the PLL clock,
operation at Vcc of 5.0 V)
●
CPU addressing space of 16 Mbytes
• Internal 24-bit addressing
●
Instruction set optimized for controller applications
• Rich data types (bit, byte, word, long word)
• Rich addressing mode (23 types)
• High code efficiency
• Enhanced precision calculation realized by the 32-bit accumulator
●
Instruction set designed for high level language (C) and multi-task operations
• Adoption of system stack pointer
• Enhanced pointer indirect instructions
• Barrel shift instructions
●
Program patch function (2 address pointer)
●
Improved execution speed
• 4-byte instruction queue
2
2
MC-16LX family and allow a wide range of control
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