
Cirrus Logic
OVERVIEW
The Cirrus Logic CL-PS7500FE is designed to be used in internet appliances such as the network computer, smart-TV, intranet terminal, screen phones, DVD players, and so on.
FEATURES
■ Available in 56- and 40-MHz speed grades
■ System-on-a-chip solution
— 32-bit ARM7 processor with MMU
— 4K unified cache
— FPU (floating point unit)
— Graphics controller drives CRT or LCD
— CD-quality sound audio controller
— DRAM controller
— ROM/Flash controller
— Three-channel DMA for video, cursor, and sound
— PC-style I/O bus
— Two-state power management
— Eight general-purpose I/O lines
■ Performance
— 50 Vax-MIPS (Dhrystone) at 56 MHz
— Up to 12 Mflops, double-precision FP (LINPACK)
■ FPU
— Implements ANSI/IEEE Std 754-1985
— Single, double, and extended precision