M82380

M82380 HIGH PERFORMANCE 32-BIT DMA CONTROLLER WITH INTEGRATED SYSTEM SUPPORT PERIPHERALS Y High Performance 32-Bit DMA Controller 40 Mbytes sec Maximum Data Transfer Rate at 20 MHz 8 Independently Programmable Channels 20-Source Interrupt Controller Individually Programmable Interrupt Vectors 15 External 5 Internal Interrupts M8259A Superset Four 16-Bit Programmable Interval Timers M82C54 Compatible Programmable Wait State Generator 0 to 15 Wait States Pipelined 1 to 16 Wait States Non-Pipelined DRAM Refresh Controller Y i386 TM Processor Shutdown Detect and Reset Control Software Hardware Reset High Speed CHMOS III Technology 132-Pin PGA Package and 164-Pin Quad Flat Pack (See Packaging Specification Order 231369) Y Y Y Y Y Optimized for use with the i386 TM Microprocessor Resides on Local Bus for Maximum Bus Bandwidth Available in Three Product Grades MIL-STD-883 b 55 C to a 125 C (TC) Military Temperature Only b 55 C to a 125 C (TC) Extended Temperature b 40 C to a 110 C (TC) Y Y Y The M82380 is a multi-function support peripheral that integrates system functions necessary in an i386 processor environment It has eight channels of high performance 32-bit DMA with the most efficient transfer rates possible on the i386 microprocessor bus System support peripherals integrated into the M82380 provide Interrupt Control Timers Wait State generation DRAM Refresh Control and System Reset logic The M82380’s DMA Controller can transfer data between devices of different da...