參數(shù)資料
型號: CG4973AT
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: 總線控制器
英文描述: hyperCache TM / Stand-Alone PCI Peripheral Controller with USB
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP208
封裝: PLASTIC, QFP-208
文件頁數(shù): 1/164頁
文件大?。?/td> 1103K
代理商: CG4973AT
PRELIMINARY
hyperCache
/ Stand-Alone PCI Peripheral
Controller with USB
—CD ROM support
—PIO modes 0 through 4 operation
—Single-word and Multi-word DMA modes 0 through 2
Integrated Keyboard Controller
APM compliant power management support through
SMM or under hardware control
Flash PROM support with write-protection
Power-on reset circuitry
QuietBus
support for the PCI and ISA bus interfaces
for better noise immunity
General-purpose I/O pins and registers
USB Host/Hub controller with 2 USB ports
Flexible Stand-Alone configuration options
Packaged in a 208-pin PQFP
CY82C693UB
Cypress Semiconductor Corporation
3901 North First Street
San Jose
March 25, 1997 - Revised December 10, 1997
CA 95134
408-943-2600
B
Features
PCI to ISA bridge
PCI Bus Rev. 2.1 compliant
Supports up to 5 additional PCI masters including the
CY82C691
Integrated DMA controllers with Type A, B, and F sup-
port
Integrated Interrupt controllers
Integrated timer/counters
Integrated Real-Time-Clock with 256 bytes of bat-
tery-backed SRAM (14 bytes of clock RAM and 242
bytes of CMOS scratch RAM)
Write-only Register Shadowing
Integrated Dual-Channel enhanced IDE controller with
—PCI bus mastering
hyperCache and QuietBus are trademarks of Cypress Semiconductor Corporation.
Pentium is a trademark of Intel Corporation.
PCI LOCAL BUS
CY82C692
CY82C693UB
CY82C691
Intel
Pentium
Processor,
CyrixM1
or
AMDK5, K6
Cypress
Clock
CY2254ASC-2
CY82C694
ExpansionCache
EPROM
CY27C010
or Flash
BIOS
DRAM
Lower 4 Bytes
DRAM
Upper 4 bytes
ISABus
TAG
Standardor EDODRAMs
IDE devices
DRAMAddress,
DRAMControl
DRAM
Data[0:31]
DRAM
Data[32:63]
Control
USB Bus
CACHE
System Block Diagram
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