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CS82C37A - CMOS High Performance Programmable DMA Controller

General Description

Compatible with the NMOS 8237A Four Independent Maskable Channels with Autoinitialization Capability Cascadable to any Number of Channels High Speed Data Transfers: - Up to 4MBytes/sec with 8MHz Clock - Up to 6.25MBytes/sec with 12.5MHz Clock Memory

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82C37A March 1997 CMOS High Performance Programmable DMA Controller Features Description • Compatible with the NMOS 8237A • Four Independent Maskable Channels with Autoinitialization Capability • Cascadable to any Number of Channels • High Speed Data Transfers: - Up to 4MBytes/sec with 8MHz Clock - Up to 6.25MBytes/sec with 12.5MHz Clock • Memory-to-Memory Transfers • Static CMOS Design Permits Low Power Operation - ICCSB = 10µA Maximum - ICCOP = 2mA/MHz Maximum • Fully TTL/CMOS Compatible • Internal Registers may be Read from Software The 82C37A is an enhanced version of the industry standard 8237A Direct Memory Access (DMA) controller, fabricated using Intersil’s advanced 2 micron CMOS process.