FR65E Fujitsu Microelectronics, Inc., FR65E Datasheet - Page 2
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FR65E
Manufacturer Part Number
FR65E
Description
32-bit Microcontroller
Manufacturer
Fujitsu Microelectronics, Inc.
Datasheet
1.FR65E.pdf
(87 pages)
- Current page: 2 of 87
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2
MB91307B
Bus Interface
Built-in RAM
Instruction cache
DMAC (DMA controller)
Bit search module (using REALOS)
Reload timer (includes 1 channel for REALOS)
• Instructions for built-in applications: memory-to-memory transfer, bit processing, barrel shift etc.
• Instructions adapted for high-level languages: function input/output instructions, register contents multi-load/
• Easier assembler notation: register interlock function
• Built-in multiplier/instruction level support
• Interrupt (PC, PS removal): 6 cycles, 16 priority levels
• Harvard architecture for simultaneous execution of program access and data access
• CPU hold 4-word queue allows advanced instruction fetch function
• 4 GB expanded memory space enables linear access
• Instruction compatible with FR30/40 family
• Operating frequency: Max 33 MHz
• 8- or 16-bit data output
• Built-in pre-fetch buffer
• Unused data/address pins can be used as general-0purpose input/output ports
• Fully independent 8-area chip select outputs, can be set in minimum 64 KB units
• Interface support for many memory types
• Basic bus cycle: 2 cycles
• Programmable by area with automatic wait cycle generation to enable wait insert
• RDY input for external wait cycles
• DMA supports fly-by transfer with independent I/O wait control
• 128 KB built-in RAM capacity
• Accepts writing of data and instruction codes, enabling use as instruction RAM
• 1 KB capacity
• 2-way set associative
• 4-words (16 bytes) per set
• Lock function enables permanent program storage
• Areas not used for instruction cache can be used for RAM
• 5-channel (3-channel external-to-external)
• 3 transfer sources (external pin, internal peripheral, software)
• Addressing mode with 32-bit full address indication (increment, decrement, fixed)
• Transfer mode (demand transfer / burst transfer / step transfer / block transfer)
• Fly-by transfer support (3 channels between external I/O and external memory)
• Transfer data size selection 8/16/32-bit
• Searches words from MSB for first bit position of a 1/0 change
• 16-bit timer: 3 channels
• Internal clock multiplier choice of x2, x8, x32
store instructions
Signed 32-bit multiplication: 5 cycles
Signed 16-bit multiplication: 3 cycles
SRAM, ROM/Flash
Page mode flash ROM, page mode ROM interface
Burst mode flash ROM (select burst length 1, 2, 4, 8)
(Continued)
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