
Chapter 3: 10GBASE-R PHY IP Core 3–15
Clocks for Arria V GZ Devices
November 2012 Altera Corporation Altera Transceiver PHY IP Core
User Guide
Clocks for Arria V GZ Devices
Figure 3–8 illustrates the clock generation and distribution for Arria V GZ devices
Clocks for Stratix IV Devices
The
phy_mgmt_clk_reset
signal is the global reset that resets the entire PHY. A
positive edge on this signal triggers a reset.
f Refer to the Reset Control and Power Down chapter in volume 2 of the Stratix IV Device
Handbook for additional information about reset sequences in Stratix IV devices.
Figure 3–8. Arria V GZ Clock Generation and Distribution
pll_ref_clk
644.53125 MHz
10.3125
Gbps serial
257.8125
MHz
257.8125
MHz
156.25 MHz
10GBASE-R Hard IP Transceiver Channel - Arria V GZ
TX
RX
TX PCS
40
TX PMA
10.3125
Gbps serial
RX PCS
40
RX PMA
TX PLL
8/33
fPLL
xgmii_rx_clk
rx_coreclkin
xgmii_tx_clk
64-bit data, 8-bit control
64-bit data, 8-bit control
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