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MB91F353A Datasheet(PDF) 2 Page - Fujitsu Component Limited. |
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MB91F353A Datasheet(HTML) 2 Page - Fujitsu Component Limited. |
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2 / 139 page  MB91350A Series 2 • On-chip multiplier supported at the instruction level. Signed 32-bit multiplication : 5 cycles Signed 16-bit multiplication : 3 cycles • Interrupt (PC, PS save) : 6 cycles, 16 priority levels • Harvard architecture allowing program access and data access to be executed simultaneously • Instructions compatible with the FR family 2. Bus interface • Maximum operating frequency : 25 MHz • 24-bit address full output (16 Mbyte address space) capability (21-bit address full output (2 Mbyte address space) capability : MB91F353A/353A/352A/351A) • 8,16-bit data output • Built-in prefetch buffer • Unused data and address pins can be used as general I/O ports. • Able to output chip-select for 4 completely independent areas that can be configured in units of 64 Kbytes • Support for various memory interfaces : SRAM, ROM/Flash page mode Flash ROM, page mode ROM interface • Basic bus cycle : 2 cycles • Programmable automatic wait cycle generator capable of inserting wait cycles for each area • RDY input for external wait cycles • DMA support of fly-by transfer capable of wait control for independent I/O (The MB91F353A/353A/352A/351A does not support fly-by transfer.) 3. Built-in memory 4. DMAC (DMA Controller) • Capable of simultaneous operation of up to 5 channels (external → external : 3 channels) • 3 transfer sources (external pin, internal peripheral or software) : Activation sources are software-selectable (transfer can be activated by UART0/1/2). • Addressing using 32-bit full addressing mode (increment, decrement, fixed) • Transfer modes (demand transfer, burst transfer, step transfer, block transfer) • Fly-by transfer support (between external I/O and memory) • Selectable transfer data size : 8, 16, or 32-bit • Multi-byte transfer capability (selected by software) • DMAC descriptor in IO areas (200H to 240H, 1000H to 1024H) (The MB91F353A/353A/352A/351A does not have an external interface.) External pin transfer is not supported. Demand transfer and fly-by transfer cannot be used. 5. Bit search module (for REALOS) • Search a single word starting from the MSB for the position of the first bit changed from 1 to 0. (Continued) D-bus memory MB91V350A MB91F353A MB91F355A MB91F357B MB91F356B MB91353A MB91355A MB91352A MB91354A MB91351A ROM No 512 Kbytes 256 Kbytes 512 Kbytes 384 Kbytes 384 Kbytes RAM (Stack) 16 Kbytes 16 Kbytes 16 Kbytes 16 Kbytes 8 Kbytes 16 Kbytes RAM (Execute instruction) 16 Kbytes 8 Kbytes 8 Kbytes 8 Kbytes 8 Kbytes 8 Kbytes |
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Similar Description - MB91F353A |
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