11
7521
7521
N/B MAINTENANCE
N/B MAINTENANCE
RTC Day-of-Month, Month-of-Year Alarm
LED Blinking in S0, S1, S2, S3
PCI Bus Power Management Interface Spec. 1.0
Integrated DMA Controller
Two 8237A Compatible DMA Controller
8/16 bit DMA data transfer
Distributed DMA Support
Integrated Interrupt Controller
Two 8237A Compatible DMA Controller
Two 8259A Compatible Interrupt Controllers
Level or Edge Triggered programmable
Serial IRQ
Interrupt Source Re-routable to Any IRQ channel
Three 8254 Compatible Programmable 16-bits counters
System timer interrupt
Generate refresh request
Speaker output
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