34 www.xilinx.com RocketIO™ Transceiver User GuideUG024 (v3.0) February 22, 2007Chapter 1: RocketIO Transceiver OverviewRModifiable PrimitivesAs shown in Table 1-7 and Table 1-8, only certain attributes are modifiable for anyprimitive. These attributes help to define the protocol used by the primitive. Only theGT_CUSTOM primitive allows the user to modify all of the attributes to a protocol notsupported by another transceiver primitive. This allows for complete flexibility. The otherprimitives allow modification of the analog attributes of the serial data lines and severalchannel-bonding values.Table 1-7: Default Attribute Values: GT_AURORA, GT_CUSTOM, GT_ETHERNETAttribute DefaultGT_AURORADefaultGT_CUSTOM (1)DefaultGT_ETHERNETALIGN_COMMA_MSB FALSE FALSE FALSECHAN_BOND_LIMIT 16 16 1CHAN_BOND_MODE OFF (2) OFF OFFCHAN_BOND_OFFSET 8 8 0CHAN_BOND_ONE_SHOT FALSE (2) FALSE TRUECHAN_BOND_SEQ_1_1 00101111100 00000000000 00000000000CHAN_BOND_SEQ_1_2 00000000000 00000000000 00000000000CHAN_BOND_SEQ_1_3 00000000000 00000000000 00000000000CHAN_BOND_SEQ_1_4 00000000000 00000000000 00000000000CHAN_BOND_SEQ_2_1 00000000000 00000000000 00000000000CHAN_BOND_SEQ_2_2 00000000000 00000000000 00000000000CHAN_BOND_SEQ_2_3 00000000000 00000000000 00000000000CHAN_BOND_SEQ_2_4 00000000000 00000000000 00000000000CHAN_BOND_SEQ_2_USE FALSE FALSE FALSECHAN_BOND_SEQ_LEN 1 1 1CHAN_BOND_WAIT 8 8 7CLK_COR_INSERT_IDLE_FLAG FALSE (2) FALSE FALSE (2)CLK_COR_KEEP_IDLE FALSE (2) FALSE FALSE (2)CLK_COR_REPEAT_WAIT 1 (2) 1 1 (2)CLK_COR_SEQ_1_1 00111110111 00000000000 00110111100CLK_COR_SEQ_1_2 00111110111 00000000000 00001010000CLK_COR_SEQ_1_3 00111110111(5) 00000000000 00000000000CLK_COR_SEQ_1_4 00111110111(5) 00000000000 00000000000CLK_COR_SEQ_2_1 00000000000 00000000000 00000000000Product Not Recommended for New Designs
