MB90540

• Clock Embedded PLL clock multiplication circuit
   Operating clock (PLL clock) can be selected from : divided-by-2 of oscillation or one to four times the oscillation
   Minimum instruction execution time : 62.5 ns (operation at oscillation of 4 MHz, four times the oscillation clock,
                                                             V_CC of 5.0 V)
                                                             VCC = 3.2 V to 5.5 V for MB90F548GL (S) /MB90547G (S) /548G (S)
   Subsystem Clock : 32 kHz
• Instruction set to optimize controller applications Rich data types (bit, byte, word, long word) Rich addressing mode (23 types) Enhanced signed multiplication/division instruction and RETI instruction functions Enhanced precision calculation realized by the 32-bit accumulator
• Instruction set designed for high level language (C language) and multi-task operations Adoption of system stack pointer Enhanced pointer indirect instructions Barrel shift instructions
• Program patch function (for two address pointers)
• Enhanced execution speed : 4-byte Instruction queue
• Enhanced interrupt function : 8 levels, 34 factors
• Automatic data transmission function independent of CPU operation Extended intelligent I/O service function (EI2OS)
• Embedded ROM size and types
   Mask ROM : 256 Kbytes / 64 Kbytes / 128 Kbytes
   Flash ROM : 128 Kbytes/256 Kbytes
   Embedded RAM size : 2 Kbytes/4 Kbytes/6 Kbytes/8 Kbytes (evaluation chip)
• Flash ROM Supports automatic programming, Embedded Algorithm TM* Write/Erase/Erase-Suspend/Resume commands A flag indicating completion of the algorithm Hard-wired reset vector available in order to point to a fixed boot sector in Flash Memory Erase can be performed on each block Block protection with external programming voltage
• Low-power consumption (stand-by) mode Sleep mode (mode in which CPU operating clock is stopped) Stop mode (mode in which oscillation is stopped) CPU intermittent operation mode Clock mode Hardware stand-by mode
• Process 0.5 m CMOS technology
• I/O port General-purpose I/O ports : 81 ports
• Timer Watchdog timer : 1 channel 8/16-bit PPG timer : 8/16-bit * 4 channels 16-bit re-load timer : 2 channels
• 16-bit I/O timer 16-bit free-run timer : 1 channel Input capture : 8 channels Output compare : 4 channels
• Extended I/O serial interface : 1 channel
• UART 0 With full-duplex double buffer (8-bit length) Clock asynchronized or clock synchronized (with start/stop bit) transmission can be selectively used.
• UART 1 With full-duplex double buffer (8-bit length) Clock asynchronized or clock synchronized serial (extended I/O serial) can be used.
• External interrupt circuit (8 channels) A module for starting an extended intelligent I/O service (EI2OS) and generating an external interrupt which is triggered by an external input.
• Delayed interrupt generation module
Generates an interrupt request for switching tasks.
• 8/10-bit A/D converter (8 channels) 8/10-bit resolution can be selectively used. Starting by an external trigger input. Conversion time : 26.3 s
• FULL-CAN interfaces
   MB90540 series : 2 channel
   MB90545 series : 1 channel
   Conforming to Version 2.0 Part A and Part B
   Flexible message buffering (mailbox and FIFO buffering can be mixed)
• External bus interface : Maximum address space 16 Mbytes
• Package: QFP-100, LQFP-100

* : Embedded Algorithm is a trade mark of Advanced Micro Devices Inc.