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參數(shù)資料
| 型號： | GL850 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | USB 2.0 4-PORT HUB Controller |
| 中文描述： | 個USB 2.0 4端口集線器控制器 |
| 文件頁數(shù)： | 19/40頁 |
| 文件大?。?/td> | 382K |
| 代理商： | GL850 |
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GL850 USB 2.0 4-Port HUB Controller
2000-2003 Genesys Logic Inc.—All rights reserved.
Page 19
5.2 Configuration and I/O Settings
5.2.1 RESET# Setting
When RESET# is low enabled, the whole chip is put in initial state. In addition, RPU will disable the
pull-up 1.5K
Ω
resister to 3.3V, which causes GL850 seems to be disconnected to the host. We suggest
configure RESET# as following figure. Vbus is the 5V input from USB cable. GL850 will always be in
disconnected state when USB cable is not plugged into host, even that GL850 is powered.
RESETI
Vbus(5V)
AVDD(3.3V)
1.5K ohm
RPU
DPF0
Inside GL850
On PCB
C
R
RESET#
Figure 5.3 - RESET# (External Reset) setting and application
GL850 internally contains a power on reset circuit. The power on sequence is depicted in the next picture.
To fully control the reset process of GL850, we suggest the reset time applied in the external reset circuit
should more than that of the internal reset circuit.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| GL850A | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
| GL850A-MNGXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
| GL850A-MNNXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
| GL850A-MSGXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
| GL850A-MSNXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
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