AX88180 Datasheet, PDF (36/47 Pages) ASIX Electronics Corporation – High-Performance Non-PCI 32-bit 10/100/1000M Gigabit Ethernet Controller

AX88180
5.2.8 RGMII Receive Timing (1000/100/10 Mbps)
RXD[3:0]
RXDV
RXCLK (at AX88180)
Thold
Tsetup
Symbol
Description
Tsetup Setup timing to RXCLK (at AX88180)
Thold Hold timing to RXCLK (at AX88180)
Note: PHY adds the delay in RXCLK
5.2.9 RGMII Transmit Timing
T skew
T X C X (at A X 88180)
T X D [3 :0 ]
TXEN
T X C X (a t P H Y in te r n a l)
T d ela y
T d ealy
Symbol
Description
Tskew Data to clock TXCX skew
Tdelay Data to clock in PHY site
Note: PHY needs to add delay in TXCX
Min
Typ. Max Units
1.0
-
-
ns
1.0
-
-
ns
Min
Typ. Max Units
-500
0
+500 ps
1.5
2.0
ns
36
ASIX ELECTRONICS CORPORATION