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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