CY82C693UB Cypress Semiconductor Corporation., CY82C693UB Datasheet - Page 2

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CY82C693UB

Manufacturer Part Number
CY82C693UB
Description
Hypercache Tm / Stand-alone Pci Peripheral Controller With Usb
Manufacturer
Cypress Semiconductor Corporation.
Datasheet

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Features ................................................................................................................................................... 1
CY82C693UB Signals ........................................................................................................................... 11
Pin Configuration ................................................................................................................................... 12
CY82C693UB Pin Reference (In Numerical Order by Pin Number) ...................................................... 13
CY82C693UB Pin Reference (In Alphabetical Order by Signal Name) ................................................. 14
Introduction ............................................................................................................................................ 17
Functional Overview .............................................................................................................................. 17
CY82C693UB Signal Description .......................................................................................................... 25
hyperCache Memory and I/O Map ......................................................................................................... 35
CY82C693UB Control Registers ........................................................................................................... 37
System Overview ............................................................................................................................................. 17
CY82C693UB Introduction .............................................................................................................................. 17
PCI Bus Interface ............................................................................................................................................ 17
ISA Bus Interface ............................................................................................................................................. 18
Reset Logic ...................................................................................................................................................... 18
Keyboard Controller ......................................................................................................................................... 19
Power Management Logic ............................................................................................................................... 19
AT Refresh Logic ............................................................................................................................................. 20
Pre-Read/Post-Write Buffers ........................................................................................................................... 20
BIOS ROM Control .......................................................................................................................................... 20
Timer/Counter Logic ........................................................................................................................................ 20
DMA Controllers .............................................................................................................................................. 21
IDE Controller .................................................................................................................................................. 21
Real-Time-Clock .............................................................................................................................................. 21
Interrupt Controllers ......................................................................................................................................... 22
Stand-Alone Operation .................................................................................................................................... 23
Universal Serial Bus (USB) Host Controller .................................................................................................... 24
Reset Signals .................................................................................................................................................. 25
PCI Interface Signals ....................................................................................................................................... 25
ISA Interface Signals ....................................................................................................................................... 27
Power Management Signals ............................................................................................................................ 33
Keyboard Interface Signals ............................................................................................................................. 33
IDE Interface Signals ....................................................................................................................................... 33
USB Interface Signals ..................................................................................................................................... 34
Miscellaneous Signals ..................................................................................................................................... 34
Operating Frequency ....................................................................................................................................................19
Resetting the Keyboard Controller ...............................................................................................................................19
Host Interface ...............................................................................................................................................................19
PS/2 Compatible Mouse Support .................................................................................................................................19
Keyboard Interface .......................................................................................................................................................19
Maximum Flexibility ......................................................................................................................................................19
Keyboard Self-Test .......................................................................................................................................................19
DMA Controller Transfer Modes ...................................................................................................................................21
RTC Address Map ........................................................................................................................................................22
External RTC Control ...................................................................................................................................................22
NMI Sources .................................................................................................................................................................23
Use With An External PCI Arbiter .................................................................................................................................23
Splitting GNTBSY .........................................................................................................................................................23
External Reset Control .................................................................................................................................................24
FREQACK Bypassing ..................................................................................................................................................24
32-Bit I/O Space Decode ..............................................................................................................................................24
1 Mbyte ROM Decode ..................................................................................................................................................24
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CY82C693UB

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