UM82C206 - Integrated Peripheral Controller
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.
It is
UM82C206 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