AM486DX5

PRELIMINARY Enhanced Am486®DX Microprocessor Family www.DataSheet4U.com DISTINCTIVE CHARACTERISTICS s High-Performance Design - Industry-standard write-back cache support - Frequent instructions execute in one clock - 105.6-million bytes/second burst bus at 33 MHz - Flexible write-through and write-back address control - Advanced 0.35-µ CMOS-process technology - Dynamic bus sizing for 8-, 16-, and 32-bit buses - Supports “soft reset” capability s High On-Chip Integration - 16-Kbyte unified code and data cache - Floating-point unit - Paged, virtual memory management s Enhanced System and Power Management - Stop clock control for reduced power consumption - Industry-standard two-pin System Management Interrupt (SMI) for power management independent of processor operating mode and operating system - Static design with Auto Halt power-down support - Wide range of chipsets supporting SMM available to allow product differentiation s Complete 32-Bit Architecture - Address and data buses - All registers - 8-, 16-, and 32-bit data types s Standard Features - 3-V core with 5-V tolerant I/O - Wide range of chipsets and support available through the AMD FusionE86SM Program s 168-Pin PGA Package or 208-Pin SQFP Package s IEEE 1149.1 JTAG Boundary-Scan Compatibility GENERAL DESCRIPTION The Enhanced Am486®DX Microprocessor Family is an hanced Am486DX microprocessor family. This results in addition to the AMD E86 family of embedded micropro- decreased development costs and improved tim...