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MB91101A - Brand New FUJITSU IC Chips - Datasheet - Chipdatas

MB91101A - Brand New FUJITSU IC Chips

In Stock:1200 ,Ready for Immediate Shipping
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In Stock: 1200, Ready for Immediate Shipping
Brand:FUJITSU
Category:IC Chips
Chipdatas Part No.:CD86-MB91101A
Manufacturer Part No.:MB91101A
Datecode:09+
Package:QFP-100
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  • ■ DESCRIPTION

    The MB91101 and MB91101A are a standard single-chip microcontroller constructed around the 32-bit RISC CPU (FR* family) core with abundant I/O resources and bus control functions optimized for high-performance/high-speed CPU processing for embedded controller applications. To support the vast memory space accessed by the 32-bit CPU, the MB91101 and MB91101A normally operate in the external bus access mode and executes instructions on the internal 1 Kbyte cache memory and 2 Kbytes RAM for enhanced performance.
    The MB91101 and MB91101A are optimized for applications requiring high- performance CPU processing such as navigation systems, high-performance FAXs and printer controllers.

    ■ FEATURES

    FR CPU
    • 32-bit RISC, load/store architecture, 5-stage pipeline
    • Operating clock frequency: Internal 50 MHz/external 25 MHz
    (PLL used at source oscillation 12.5 MHz)
    • General purpose registers: 32 bits × 16
    • 16-bit fixed length instructions (basic instructions), 1 instruction/1 cycle
    • Memory to memory transfer, bit processing, barrel shifter processing:
    Optimized for embedded applications
    • Function entrance/exit instructions, multiple load/store instructions of
    register contents, instruction systems supporting high level languages
    • Register interlock functions, efficient assembly language coding
    • Branch instructions with delay slots: Reduced overhead time in branch executions
    • Internal multiplier/supported at instruction level
    Signed 32-bit multiplication: 5 cycles
    Signed 16-bit multiplication: 3 cycles
    • Interrupt (push PC and PS): 6 cycles, 16 priority levels

    External bus interface

    • Clock doubler: Internal 50 MHz, external bus 25 MHz operation
    • 25-bit address bus (32 Mbytes memory space)
    • 8/16-bit data bus
    • Basic external bus cycle: 2 clock cycles
    • Chip select outputs for setting down to a minimum memory block size of 64 Kbytes: 6
    • Interface supported for various memory technologies
    DRAM interface (area 4 and 5)
    • Automatic wait cycle insertion: Flexible setting, from 0 to 7 for each area
    • Unused data/address pins can be configured as input/output ports.
    • Little endian mode supported (Select 1 area from area 1 to 5)

    DRAM interface

    • 2 banks independent control (area 4 and 5)
    • Normal mode (double CAS DRAM)/high-speed page mode (single CAS DRAM)/Hyper DRAM
    • Basic bus cycle: Normally 5 cycles, 2-cycle access possible in high-speed page mode
    • Programmable waveform: Automatic 1-cycle wait insertion to RAS and CAS cycles
    • DRAM refresh
    CBR refresh (interval time configurable by 6-bit timer)
    Self-refresh mode
    • Supports 8/9/10/12-bit column address width
    • 2CAS/1WE, 2WE/1CAS selective

    Cache memory

    • 1-Kbyte instruction cache memory
    • 32 block/way, 4 entry(4 word)/block
    • 2 way set associative
    • Lock function: For specific program code to be resident in cashe memory

    DMA controller (DMAC)

    • 8 channels
    • Transfer incident/external pins/internal resource interrupt requests
    • Transfer sequence: Step transfer/block transfer/burst transfer/continuous transfer
    • Transfer data length: 8 bits/16 bits/32 bits selective
    • NMI/interrupt request enables temporary stop operation.

    UART

    • 3 independent channels
    • Full-duplex double buffer
    • Data length: 7 bits to 9 bits (non-parity), 6 bits to 8 bits (parity)
    • Asynchronous (start-stop system), CLK-synchronized communication selective
    • Multi-processor mode
    • Internal 16-bit timer (U-TIMER) operating as a proprietary baud rate generator: Generates any given baud rate
    • External clock can be used as a transfer clock.
    • Error detection: Parity, frame, overrun
    (Continued)

  • Similar parts: 430483 , Click to view
    Attributes Value
    Category IC Chips
    Manufacturer FUJITSU
    Product Category IC Chips
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  • Shopping guide

    Warranty:
    • - 30-day money-back return policy,
    • - 90-day warranty against any manufacturing defects. View more
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    Within 30 days from date of shipment. View more

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Additional Information
  • Datasheet: Download MB91101A
  • Chipdatas Part: CD86-MB91101A
  • Warehouse: China, Hong Kong
  • Dispatch: Within 24 hours
  • Free Shipping: Yes
  • Prority Shipping: Yes, 3-5 days
  • Last Updated: 2024/06/16 17:45 +0800
Refund
    • Full Refund if you don't receive your order
    • Full or Partial Refund , If the item is not as described
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