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參數(shù)資料
| 型號(hào)： | UPD720130 |
| 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)： | 8/44頁 |
| 文件大?。?/td> | 316K |
| 代理商： | UPD720130 |
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Data Sheet S16302EJ3V0DS
8
μ
PD720130
2.2
External Pin Setting
Usually, serial ROM should be used to keep Vendor ID, Product ID and some additional USB related
information. And then, the external pin setting of the
μ
PD720130 is not so important to realize USB to IDE bridge
system. The recommended external pin setting is as follows.
Table 2-2. Recommended External Pin Setting
Pin Name
Setting
MD1
1
MD0
0
SCL
Pull Up
Note 1
SDA
Pull Up
DV1
“
L
”
clamp
DV0
“
L
”
clamp
CLC
“
L
”
clamp
PWR
“
L
”
clamp
DCC
Pull Down
Note 2
GPIO(7:0)
“
L
”
clamp
PIO(14:15)
“
L
”
clamp
PIO5
“
L
”
clamp
SPD
“
H
”
clamp
TEST(3:0)
“
L
”
clamp
SMC
“
L
”
clamp
IRQ0
“
L
”
clamp
Notes 1.
If serial ROM size is more than 2 Kbytes, SCL should be pull down.
2.
If target IDE device is not fixed, it is preferable that DCC pin can
switch pull-up or pull-down.
The setting for any other pins such as CMB_BSY, CMB_STATE depends on USB2.0 to IDE Bridge system.
For example, if two IDE controllers control one target IDE device and one of two IDE controllers is the
μ
PD720130,
CMB_BSY and CMB_STATE are used to handshake between two IDE controller chips. On the other hand, when
the
μ
PD720130 is only controller of target IDE device, CMB_BSY should be opened and CMB_STATE should be
clamped to
“
L
”
.
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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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