6.2.4.2
GMAC SERDES Connection Diagrams (Host/Network)
MAC
4450
xx_txd_p
xx_txd_n
xx_rxd_p
xx_rxd_n
xx_bus1_p
xx_bus1_n
xx_bus0_p
xx_bus0_n
serdes_rref
vttx_serdes
TXD_P
TXD_N
RXD_P
RXD_N
refclk_p
refclk_n
srefclk_p
srefclk_n
PECL
Oscillator
Note
1. xx = n0, n1, h0, or h1.
2. vttx_serdes = vtth_serdes or vttn_serdes.
Figure 6-15. SERDES PHY-Mode
PHY
4450
xx_rxd_p
RXD_P
xx_bus1_p
xx_bus1_n
xx_bus0_p
xx_bus0_n
serdes_rref
vttx_serdes
xx_rxd_n
RXD_N
xx_txd_p
TXD_P
xx_txd_n
TXD_N
refclk_p
srefclk_p
srefclk_n
PECL
Oscillator
refclk_n
Note
1. xx = n0, n1, h0, or h1.
2. vttx_serdes = vtth_serdes or vttn_serdes.
Figure 6-16. SERDES MAC-Mode
4450 – Data Sheet, DS-0131-06
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