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UM0843 датащи(PDF) 14 Page - STMicroelectronics

номер детали UM0843
подробное описание детали  EVALSPEAr310 - evaluation board for the SPEAr310
PDF  48 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM0843 датащи(HTML) 14 Page - STMicroelectronics

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UM0843
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Doc ID16543 Rev 2
By default the external configuration of the SMII-4 Ethernet PHYs is selected as shown in
Table 7.
By default the initial configuration of the MII Ethernet PHYs is selected as shown in Table 8..
JP37
Nway auto-negotiation enable:
Pull-up (default) = Enable auto-negotiation
Pull-down = Disable auto-negotiation
JP38
Speed mode:
Pull-up (default) = 100 Mbps
Pull-down = 10 Mbps
JP39
Duplex mode:
Pull-up (default) = Half duplex
Pull-down = Full duplex
Table 7.
SMII-4 PHY jumper default settings
Jumper
Description
Default configuration
JP43, JP44, JP45
SMII PHY U21 mode configuration:
Default: JP43-open, JP44-fitted, JP45-open:
Set U21 to work as SMII function
JP40, JP41, JP42
SMII PHY U21 address configurations:
Default: JP40-open, JP41-open, JP42-open:
Set SMII-4 PHY address: 0x07
JP46
Isolate mode:
Pull-up = Enable
Pull-down (default) = Disable
JP47
Nway auto-negotiation enable:
Pull-up (default) = Enable auto-negotiation
Pull-down = Disable auto-negotiation
JP48
Speed mode:
Pull-up (default) = 100 Mbps
Pull-down = 10 Mbps
JP49
Duplex mode:
Pull-up (default) = Half duplex
Pull-down = Full duplex
Table 6.
SMII-3 PHY jumper (continued)
Jumper
Description
Default configuration
JP37
JP38
JP39
JP43
JP44
JP45
JP40
JP41
JP42
JP46
JP47
JP48
JP49



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