
ASIX ELECTRONICS CORPORATION
16
CONFIDENTIAL
AX88872P Swipeater Controller PRELIMINARY
1 : Disable flow control function.
P2 Flow Control Enable :
Enable flow control function of switch port 2
(Link to 100Mbps repeater port), back pressure for half duplex.
0 : Enable flow control function.
1 : Disable flow control function.
P1 Flow Control Enable :
Enable flow control functions of switch port 1,
802.3x for full duplex, back pressure for half duplex.
0 : Enable flow control function.
1 : Disable flow control function.
P0 Flow Control Enable :
Enable flow control function of switch port 0,
802.3x for full duplex, back pressure for half duplex.
0 : Enable flow control function.
1 : Disable flow control function.
Speed Setting for Repeater Port 0 to Port 7 :
0 : SPEED0~7 pin is Low for 10M,high for 100M
1 : SPEED0~7 pin is Low for 100M,high for 10M
Speed Setting for Switch Port 1 :
It is useful for switch port 1 in RMII mode
Don’t care the setting when switch port 1 is in MII mode.
0 : SCOL_SP1 pin is Low for 10M,high for 100M
1 : SCOL_SP1 pin is Low for 100M,high for 10M
Speed Setting for Switch Port 0 :
It is useful for switch port 0 in RMII mode
Don’t care the setting when switch port 0 is in MII mode.
0 : SCOL_SP0 pin is Low for 10M,high for 100M
1 : SCOL_SP0 pin is Low for 100M,high for 10M
Duplex Setting for Switch Port 1 :
Switch Port 1 “SDUPLEX1” pin
function select
0 : SDUPLEX1 pin is low for half duplex,high for full duplex
1 : SDUPLEX1 pin is low for full duplex,high for half duplex
Duplex Setting for Switch Port 0 :
Switch
Port 0 “SDUPLEX0” pin function
selection
0 : SDUPLEX0 pin is low for half duplex,high for full duplex
1 : SDUPLEX0 pin is low for full duplex,high for half duplex
Local Repeater ID Selection :
LRID_S1 LRID_S0 LRID No.
1 1 0
1 0 1
0 1 2
0 0 reserved
AX88871A Compatible Enable :
0 : Enable AX88871A compatible mode
1 : Disable AX88871A compatible mode
MDIO read PHY Register 05h Information
0 : Enable
1 : Disable
MDIO Write PHY Number Selection
1 : MDIO Write 8 PHY address
0 : MDIO Write 6 PHY address ( for 6R+2S application )
MDIO Write PHY Register Number Selection
0 : MDIO Write 2 Registers ( 04h, 00h )
1 : MDIO Write 3 Registers ( 10h, 04h, 00h )
MDIO Write PHY Starting Address
0 : MDIO Write PHY from address 18h ( 18h to 1Fh )
1 : MDIO Write PHY from address 04h ( 04h to 0Bh )
Maximun Packet Length Selection
0 : 1522 Byte
/ FlowCtl _En2
STXD0[2]
/ FlowCtl _En1
STXD0[1]
/FlowCtl_En0
STXD0[0]
Speed_S2
TXD7[1]
Speed_S1
STXD1[2]
Speed_S0
STXD1[1]
FdpxHi_S1
STXD1[0]
FdpxHi_S0
STXEN1
LRID_S1
LRID_S0
TXD5[1]
TXD5[0]
/871_En
TXEN6
/RdPhy_En
TXD6[0]
WrPhyNo_S
TXD4[1]
WrPhyRegNo_S
TXD4[0]
WrPhyStrAddr
TXD3[1]
PktLenOpt
TXD3[0]