參數(shù)資料
型號(hào): USB97CFDC
廠商: SMSC Corporation
英文描述: USB FLOPPY DISK CONTROLLER
中文描述: 軟盤控制器的USB
文件頁數(shù): 9/59頁
文件大?。?/td> 385K
代理商: USB97CFDC
SMSC DS – USB97C201
Page 9
Rev. 03/25/2002
PRELIMINARY
4.0 BLOCK DIAGRAM
Address
D
USB 2.0 PHY
( Transceiver )
FAST 8051
CPU CORE
ATA-66
Interface
MEM/IO Bus 29pins
GPIO
8 pins
7
Configuration and Control
Clock Generation
X
SIE
( Serial Interface Engine )
Program Memory/ IO
Bus
Interrupt Controller
Latch phase 0
Latch phase 1
Latch phase 2
60MHz
32 Bit
Future phase 3
Osc
Address
X
8
64 Bytes EP0TX
64 Bytes EP0RX
64 Bytes EP1TX
64 Bytes EP1RX
Auto address generators
A
Data @ 32 bit
15MHz
SIE Control Regs
Address
Address
Address
Address
Address
EP0RX_BC
EP1RX_BC
RAMRD_A/B
EP0TX_BC
RAMWR_A/B
ATA/ATAPI
Drive
32 bit 15MHz Data Buss
CLOCKOUT
12 MHz
OPTIONAL
External PHY
512 Bytes EP2 TX/RX Buffer A
A
1.25KB
SRAM
768 Byte
Program/Scratchpad
SRAM
Granted SRAM access
during Phase 0
Granted SRAM access during Phase 1
Granted SRAM access
during Phase 2
EP1TX_BC
512 Bytes EP2 TX/RX Buffer B
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