Poseidon
From LinuxMIPS
PR31500, Poseidon v1.0
PR31500 is a 40MHz R3000 3.3V static CMOS CPU with R3000A TLB and 4K Instrution / 1K Data cache. PR31500 also contains multi-channel DMA controller, ROM, Flash, RAM, DRAM, SDRAM, SRAM, and PCMCIA controller and Dual-UART, SPI and High-speed serial interface controllers.
PR31700, Poseidon v1.5