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)： 20/40頁
文件大小： 382K
代理商： GL850
GL850 USB 2.0 4-Port HUB Controller
2000-2003 Genesys Logic Inc.—All rights reserved.
Page 20
≒
2.7
μ
s
Internal reset
External reset
Power good voltage, 2.5~2.8V
VCC(3.3V)
Figure 5.4 - Power on sequence of GL850
5.2.2 PGANG/SUSPND Setting
To save pin count, GL850 uses the same pin to decide individual/gang mode as well as to output the
suspend flag. The individual/gang mode is decided in the period of 1ms after power on reset. After that
period of time, this pin is changed to output mode. GL850 outputs the suspend flag once it is globally
suspended. For individual mode, a pull low resister greater than 100K
Ω
should be placed. For gang mode,
a pull high resister greater than 100K
Ω
should be placed. In figure 5.6, we also depict the suspend LED
indicator schematics. It should be noticed that the polarity of LED must be followed, otherwise the suspend
current will be over than the current limitation (2.5mA).
RESET#
GANG_CTL
1 ms
Input mode, strapping
to decide individual or
gang mode
Output mode, indicating
GL850 is in normal
mode or suspend mode
Figure 5.5 - Timing of PGANG/SUSPND strapping
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相關(guān)代理商/技術(shù)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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