UM82C482 controller equivalent, system controller.
Interface logic for 80386 and 80486 CPUs
Feedback CPU clock to reduce clock skew and to increase system stability
Use 1X clock in 80486 mode to ease system design
Syn.
The UM82C482, Integrated System Controller (SC), is part of UMC's high performance 80386/80486 PC/AT chip set. It contains AT bus control logic, data bus conversion logic, CPU reset logic, clock generation for CPU, keyboard and timer, DMA/refresh lo.
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