MITSUBISHI LSls MSL8257P-S PROGRAMMABLE DMA CONTROLLER DESCRIPTION The M5L8257P-5 is a programmable, 4-channel direct memory access (DMA) controller.
It is produced using the Nch'annel silicon-gate ED-MaS process and is specifically designed to simplify data transfer at high speeds for microcomputer systems.
The LSI operates on a single 5V power supply.
FEATURES • Single 5V supply voltage • Single TTL compatible • Priority DMA request logiC • Channel-masking function • Terminal count and Modulo 128 outputs • 4-channel DMA controller • Compatible with MELPS85 devices APPLICATION DMA control of peripheral equipment such as floppy disks and CRT terminals that require high-speed data transfer.
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