IXXBB1 Fujitsu Microelectronics, Inc., IXXBB1 Datasheet - Page 2
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IXXBB1
Manufacturer Part Number
IXXBB1
Description
32-bit Proprietary Microcontroller Cmos Fr60 Mb91301 Series
Manufacturer
Fujitsu Microelectronics, Inc.
Datasheet
1.IXXBB1.pdf
(135 pages)
- Current page: 2 of 135
- Download datasheet (2Mb)
2
MB91301 Series
1. FR CPU
2. Bus interface
3. Built-in memory
• 32-bit RISC, load/store architecture, 5-stage pipeline
• 68 MHz internal operating frequency (Max) [external (Max) 68 MHz] (when using PLL with base frequency
• General purpose registers : 32 bits 16
• 16-bit fixed length instructions (basic instructions) , 1 instruction per cycle
• Instruction set optimized for embedded applications: Memory-to-memory transfer, bit manipulation, barrel shift
• Instructions adapted for high-level languages : Function entry/exit instructions, multiple-register load/store
• Easier assembler coding : Register interlock function
• Branch instructions with delay slots : Reduced overhead time in branch executions
• Built-in multiplier with instruction-level support
• Interrupt (PC, PS save) : 6 cycles, 16 priority levels
• Operating frequency : Max 68 MHz (when using SDRAM)
• Full 24-bit address output (16 Mbytes memory space)
• 8-bit, 16-bit or 32-bit data input/output
• Built-in pre-fetch buffer
• Unused data and address pins can be used as general-purpose input/output ports.
• Eight fully independent chip select outputs, can be set in minimum 64 Kbytes units.
• Supports the following memory interfaces
• SDRAM (FCRAM Type, CAS Latency 1 to 8, 2/4 bank products.)
• Address/Data multiplex bus (only 8/16-bit width)
• Basic bus cycle : 2 cycles
• Automatic wait cycle generation function can insert wait cycles, independently programmable for each memory
• RDY input for external wait cycles
• Endian setting of byte ordering (Big/Little)
• Prohibition setting of write (only for Read)
• Permission/prohibition setting of fetch into built-in cache
• Permission/prohibition setting of prefetch function
• DMA supports fly-by transfer with independent I/O wait control
• External bus arbitration can be used using BRQ and BGRNT.
• 4 Kbytes DATA RAM
• 4 Kbytes RAM (MB91302A)
(Max)
etc.
instructions
area.
CS0 area only for big endian
Signed 32-bit multiplication : 5 cycles
Signed 16-bit multiplication : 3 cycles
Asynchronous SRAM, asynchronous ROM/Flash
Page mode ROM/Flash ROM (selectable page size
Burst mode ROM/Flash ROM (MBM29BL160D/161D/162D)
17 MHz)
1, 2, 4, or 8)
(Continued)
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