IDT 89EBPES12N3, Руководство по эксплуатации оценочной платы

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IDT Installation of the EB12N3 Eval Board Power Selection for Downstream Ports
EB12N3 Eval Board Manual (18-597-001) 2 - 5 November 2, 2006
Notes
Power Selection for Downstream Ports
The following table illustrates the power selection features and hot plug capabilities for downstream
ports B and C.
Power Selection for Downstream Ports Jumpers, Headers
Ref. Designator Type Default Description
J2[6] Switch On On - Downstream clock for port B is always enabled
Off - Setting for hot plugging - Downstream clock for port B is
controlled by MIC2591B, which is controlled by the 12N3
J2[7] Switch On On - Downstream clock for port C is always enabled
Off - Setting for hot plugging - Downstream clock for port C is
controlled by MIC2591B, which is controlled by the 12N3
W6 Header Shunted Shunted - Hot Plug disabled, enables direct power to down-
stream port C
Open - Downstream port C power will be controlled by power
enable signal (Refer to schematic page 5 C7)
W11 Header Shunted Shunted - Hot Plug disabled, enables direct power to down-
stream port B
Open - Downstream port B power will be controlled by power
enable signal (Refer to schematic page 5 C7)
W7 3 pin
Header
[1-2]
shunted
[1-2]Select onboard (+12V) to Port B
[2-3]Select external power (+12V) to Port B
Note: External Power Connector has to be attached at J5.
W8 3 pin
Header
[1-2]
shunted
[1-2]Select onboard (+3.3V) to Port B
[2-3]Select external power (+3.3V) to Port B
Note: External Power Connector has to be attached at J5.
W9 3 pin
Header
[1-2]
shunted
[1-2]Select onboard (+12V) to Port C
[2-3]Select external power (+12V) to Port C
Note: External Power Connector has to be attached at J5.
W12 3 pin
Header
[1-2]
shunted
[1-2]Select onboard (+3.3V) to Port C
[2-3]Select external power (+3.3V) to Port C
Note: External Power Connector has to be attached at J5.
Table 2.6 Power Selection for Downstream Ports Jumpers, Headers