R
1:2 Use Models
BREFCLK
USRCLK
USRCLK2 and
User Logic
BREFCLK
USRCLK
USRCLK2 and
User Logic
80
Figure 3-11: BREFCLK 0:1:2
Figure 3-12: BREFCLK 1:1:2
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Chapter 3: Clocking and Clock Domains
DCM
CLKIN
CLK2X
CLKFX180
CLK0
CLKFB
BUFG
User
TX & RX
Logic
FX multiple = 4
DCM
CLKIN
CLK180
CLK2X180
CLK0
CLKFB
BUFG
User
TX & RX
Logic
RocketIO™ X Transceiver User Guide
UG035 (v1.5) November 22, 2004
GT10
BREFCLK
TXOUTCLK
TXUSRCLK
TXUSRCLK2
RXUSRCLK
RXUSRCLK2
TXDATA
RXDATA
RXRECCLK
UG035_CH3_24_060304
GT10
BREFCLK
TXOUTCLK
TXUSRCLK
TXUSRCLK2
RXUSRCLK
RXUSRCLK2
TXDATA
RXDATA
RXRECCLK
UG035_CH3_25_060304