IBM25PPC405CR

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 channels Programmable Interrupt Controller supports interrupts from a variety of sources - Supports 7 external and 10 internal interrupts - Edge triggered or level-sensitive - Positive or negative active - Non-critical or critical interrupt to processor core - Programmable critical interrupt priority ordering - Programmable critical interrupt vector for faster vector processing Two serial ports (16550 compatible UART) One IIC (I2C) interface General Purpose I/O (GPIO) available Internal Processor Local Bus (PLB) runs at SDRAM interface frequency Description The IBM PowerPC 405CRTM is a 32-bit RISC embedded controller. High performance, peripheral integration, and low cost make the de...