參數(shù)資料
型號： RTL8305SB
英文描述： RTL8305SB
中文描述： RTL8305SB
文件頁數(shù)： 20/66頁
文件大?。?/td> 963K
代理商： RTL8305SB
RTL8305SB
2002/04/09
20
Rev.1.0
LED_ACT[1]/
GySpd100
108
I/O
Output after reset = used for LED:
Input upon reset = GroupY 10Base-T/100Base-TX ability
:
GySpd100=1, GyFull=1
=> MII Reg0.13=1, 0.8=1, 4.8=1, 4.7=1, 4.6=1, 4.5=1
GySpd100=1, GyFull=0
=> MII Reg0.13=1, 0.8=0, 4.8=0, 4.7=1, 4.6=1, 4.5=1
GySpd100=0, GyFull=1;
=> MII Reg0.13=0, 0.8=1, 4.8=0, 4.7=0, 4.6=1, 4.5=1
GySpd100=0, GyFull=0;
=> MII Reg0.13=0, 0.8=0, 4.8=0, 4.7=0, 4.6=0, 4.5=1
Upon reset, this pin sets Reg.0.13. In addition, upon reset, this pin and
GyFull also sets Reg.4.8/4.7/4.6/4.5. Strap after reset for initial value of
Group Y UTP mode only. This pin is not used for FX.
Output after reset = used for LED:
Input upon reset = GroupX Full Duplex ability
:
Upon reset, this pin sets the default value of Reg.0.8. In addition, on
reset, this pin also sets Nway full-duplex ability on Reg.4.8 and Reg.4.6.
Strap after reset for initial value of Group X UTP or FX mode. FX can
be Force 100 Full or Force 100 Half.
Output after reset = used for LED:
Input upon reset = GroupY Full Duplex ability
:
Upon reset, this pin sets the default value of Reg.0.8. On reset, this pin
also sets Nway full-duplex ability on Reg.4.8 and Reg.4.6.
1
LED_SPD[1]/GxFu
ll
109
I/O
1
LED_DUP[2]/GyFu
ll
110
I/O
Strap after reset for initial value of Group Y UTP or FX mode. FX can
be Force 100 Full or Force 100 Half.
GroupX Enable Flow Control ability
:
1: Enable Reg4.10 (NWAY Full duplex only), or “Enable Force Full
pause ability of Force mode (UTP Force mode or FX mode)”, or “Enable
Force Half Back Pressure ability of Force mode (UTP Force mode or FX
mode)”.
0: Disable Reg4.10 (NWAY Full duplex only), or “Disable Force Full
pause ability of Force mode (UTP Force mode or FX mode)”, or
“Disable Force Half Back Pressure ability of Force mode (UTP Force
mode or FX mode)”.
Strap after reset for initial value of Group X “UTP NWAY Full”, or
“UTP Force Full or Half mode”, or “FX Full or Half mode”.
8305SB = GxEnFC, 8305S = NWAYHALF#.
For 8305SB, the function of NWAYHALF# is replaced by 3 pins:
GxFull, GyFull, P4Full.
GroupY Enable Flow Control ability
:
1: Enable Reg4.10 (NWAY Full duplex only), or “Enable Force Full
pause ability of Force mode (UTP Force mode or FX mode)”, or “Enable
Force Half Back Pressure ability of Force mode (UTP Force mode or FX
mode).”
0: Disable Reg4.10 (NWAY Full duplex only), or “Disable Force Full
pause ability of Force mode (UTP Force mode or FX mode)”, or
“Disable Force Half Back Pressure ability of Force mode (UTP Force
mode or FX mode).”
Strap after reset for initial value of Group Y “UTP NWAY Full”, or
“UTP Force Full or Half mode”, or “FX Full or Half mode.”
8305SB = GyEnFC, 8305S = ENFCTRL.
For 8305SB, the function of ENFCTRL is replaced by 3 pins: GxEnFC,
GyEnFC, and P4EnFC.
1
GxEnFC
76
I
1
GyEnFC
77
I
1
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