82C237

82C237 is CMOS High Performance Programmable DMA Controller manufactured by Intersil.

82C237 Datasheet

Part number	82C237
Download	82C237 Datasheet (PDF)
File Size	158.77 KB
Manufacturer	Intersil
Description	CMOS High Performance Programmable DMA Controller

Related Intersil Datasheets

Part Number	Description
82C284	Clock Generator and Ready Interface for 80C286 Processors
82C37A	CMOS High Performance Programmable DMA Controller
82C50A	CMOS Asynchronous Communications Element
82C52	CMOS Serial Controller Interface
82C54	CMOS Programmable Interval Timer

82C237 Distributor

82C237 Description

The 82C237 is a modiﬁed version of the 82C37A. The 82C237 is fully software and pin for pin patible with the 82C37A but provides an additional mode for 16-bit DMA transfers, as well as enhanced speed. Each channel may be individually programmed for 8-bit or 16-bit data transfers.

82C237 Key Features

Fully patible with Intersil 82C37A
82C237 May be Used in 8MHz and 12.5MHz 82C37A Sockets
Optimized for 10MHz and 12.5MHz 80C286 Systems
Special Mode Permits 16-Bit, Zero Wait State DMA Transfers
High Speed Data Transfers
Up to 6.25MBytes/sec with 12.5MHz Clock in Normal Mode
Up to 12.5MBytes/sec with 12.5MHz Clock in 16-Bit Mode
patible with the NMOS 8237A
Four Independent Maskable Channels with Autoinitialization Capability
Cascadable to any Number of Channels

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