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PowerPC 405CR Embedded Controller Data Sheet
Features
• IBM PowerPCTM 405 32-bit RISC processor core operating up to 266MHz - Memory Management Unit - 16KB instruction and 8KB data caches - Multiply-Accumulate (MAC) function, including fast multiply unit - Programmable Timers - Supports JTAG for board level testing • PC-100 Synchronous DRAM (SDRAM) interface operating up to 133MHz - 32-bit interface for non-ECC applications - 40-bit interface serves 32 bits of data plus 8 check bits for ECC applications • External Peripheral Bus - Flash ROM/Boot ROM interface - Direct support for 8-, 16-, or 32-bit SRAM and external peripherals - Up to eight devices - External Mastering supported • DMA support for external peripherals, internal UART and memory - Scatter-gather chaining supported - Four cha