CY82C693UB Datasheet, PDF (16/164 Pages) Cypress Semiconductor – hyperCache TM / Stand-Alone PCI Peripheral Controller with USB

PRELIMINARY
CY82C693UB
Reset
Circuitry
Power
Management
Logic
XD
ROM/Flash
Bus
Control
USB
Bus
PCI Bus
USB Host
Controller
IDE Controller
To Keyboard Connector
Keyboard
Controller
Pre-Read/
Post-write
Buffers
DMA
Controllers
Timer/Counter
AT Refresh
Logic
PCI
Interface
PCI Arbiter
(can be
disabled)
ISA
ISA
Bus
Interface
Real-Time-
Clock
Interrupt
Controllers
Figure 1. CY82C693UB Functional Block Diagram
16