A82389 - Brand New Intel Interface - Specialized
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**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 data path widths using a single channel. Each DMA channel operates independently in any of several modes. Each channel has a temporary data storage register for handling non-aligned data without the need for external alignment logic.
■ 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
■ i386TM 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 Ý 231369)
■ Optimized for use with the i386TM Microprocessor
— Resides on Local Bus for Maximum Bus Bandwidth
■ Available in Three Product Grades:
— MIL-STD-883, -55°C to +125°C (TC)
— Military Temperature Only, -55°C to +125°C (TC)
— Extended Temperature, -40°C to +110°C (TC) -
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Datasheet
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- Datasheet: Download A82389
- Chipdatas Part: CD94-A82389
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 06:19 +0800
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- Full or Partial Refund , If the item is not as described
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