IP82C237 Overview
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.
IP82C237 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