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參數(shù)資料
| 型號： | UPD720130GC-9EU |
| 廠商： | NEC Corp. |
| 英文描述： | USB2.0 to IDE Bridge |
| 中文描述： | USB2.0轉(zhuǎn)IDE橋 |
| 文件頁數(shù)： | 7/44頁 |
| 文件大?。?/td> | 316K |
| 代理商： | UPD720130GC-9EU |
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Data Sheet S16302EJ3V0DS
7
μ
PD720130
2.
FUNCTION INFORMATION
USB to IDE system can be realized by the
μ
PD720130, Serial ROM which has USB vender ID, product ID, etc,
and power control circuit. The
μ
PD720130 can be selected bus powered mode or self powered mode. If all power
consumption for USB to IDE system is less than the specification of bus powered device, it will be possible to realize
high-speed capable bus powered system. The
μ
PD720130 has some features for bus powered system. Also, some
system may control target IDE device by two IDE controllers. At the time, IDE bus arbitration should be required to
each IDE controller. The
μ
PD720130 has a feature of IDE bus arbitration, too.
The setting of IDE controller in the
μ
PD720130 is controlled by data in serial ROM or external pin setting. If there
is any inconsistency between data in serial ROM and external pin setting, the data in serial ROM is higher priority than
external pin setting.
2.1
Data in Serial ROM
The
μ
PD720130 loads some data such as Vendor ID, Product ID and some additional USB related information,
etc from serial ROM when the
μ
PD720130 is initialized. Example of data in serial ROM is as follows. ExPinReset
and ExPinSet fields hold data which is related to the external pin setting.
Table 2-1. Data in Serial ROM
Data size
Symbol
Description
1 Word
Flags
Control for descriptor overwrite
1 Byte
ExPinReset
PWR, CLC, DCC, DV[1:0] Reset bit map field
1 Byte
ExPinSet
PWR, CLC, DCC, DV[1:0] Set bit map field
1 Word
idVendor
idVendor field in Device descriptor
1 Word
idProduct
idProduct field in Device descriptor
1 Word
bcdDevice
bcdDevice field in Device descriptor
1 Byte
MaxPower BUS
MaxPower field in Configuration descriptor for Bus powered mode
1 Byte
MaxPower Self
MaxPower field in Configuration descriptor for Self powered mode
1 Byte
bInterfaceClass
bInterfaceClass field in Interface descriptor
1 Byte
bInterfaceSubClass
bInterfaceSubClass field in Interface descriptor
1 Byte
bInterfaceProtocol
bInterfaceProtocol field in Interface descriptor
1 Word
TxMode Reset
IDE transmission type such as Ultra DMA 66 Reset bit map field
1 Word
TxMode Set
IDE transmission type such as Ultra DMA 66 Set bit map field
32 Bytes
ManufactureString
String descriptor for Manufacturer
32 Bytes
ProductString
String descriptor for Product
32 Bytes
SerialString
String descriptor for Device serial number
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD720130GC-9EU-A | 制造商:NEC Electronics Corporation 功能描述:BRIDGE USB TO IDE SMD TQFP100 |
| UPD720133GB-YEU-A | 制造商:NEC Electronics Corporation 功能描述:IC BRIDGE USB TO IDE SMD TQFP64 |
| UPD720150F1-BAE-A | 制造商:Renesas Electronics Corporation 功能描述:USB2.0 HOST/DEVICE CTRL, 884-P |
| UPD720150GK-9EU-A | 制造商:Renesas Electronics Corporation 功能描述:USB2.0 HOST/DEVICE CTRL, 80-PI 制造商:Renesas Electronics Corporation 功能描述:USB2.0 HOST PERIPHERAL CONTROLLER - Bulk 制造商:Renesas Electronics Corporation 功能描述:RENUPD720150GK-9EU-A USB2.0 HOST IC |
| UPD720200A | 制造商:Renesas Electronics Corporation 功能描述: |
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