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UM82C206 - Integrated Peripheral Controller

Description

The UM82C206 Integrated Peripheral Controller includes two 8237 DMA controllers, two 8259 interrupt controllers, one 8254 timer/counter, one MC146818 compatible real time clock,an additional 64 bytes CMOS RAM, one 74LS612 memory mapper, and some top level decoder/configuration logic circuits.

Features

  • | Fully compatible with PC/AT architecture I Fully compatible with 8237 DMA controller, 8259 interrupt controller, 8254 timer/counter, and 146818 real time clock I Provides 7 DMA channels, 13 interrupt request channels, 2 timer/counter channels, and a real time clock | Built in 74LS612 memory mapper for DMA page address I Provides 114 bytes of CMOS RAM memory | 8 MHz DMA clock with programmable internal divider for 4 MHz operation 116M byte DMA address space’ I Programmable wait states.

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Datasheet Details

Part number UM82C206
Manufacturer UMC
File Size 3.40 MB
Description Integrated Peripheral Controller
Datasheet download datasheet UM82C206 Datasheet

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Full PDF Text Transcription

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PRELIMINARY UM82C206 INTEGRATED PERIPHERAL CONTROLLER FEATURES | Fully compatible with PC/AT architecture I Fully compatible with 8237 DMA controller, 8259 interrupt controller, 8254 timer/counter, and 146818 real time clock I Provides 7 DMA channels, 13 interrupt request channels, 2 timer/counter channels, and a real time clock | Built in 74LS612 memory mapper for DMA page address I Provides 114 bytes of CMOS RAM memory | 8 MHz DMA clock with programmable internal divider for 4 MHz operation 116M byte DMA address space’ I Programmable wait states for the DMA cycle I Reduced recovery time (120ns) between I/O operations GENERAL DESCRIPTION The UM82C206 Integrated Peripheral Controller includes two 8237 DMA controllers, two 8259 interrupt controllers, one 8254 timer/counter, one
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