Lattice Semiconductor ispXPGA Family Data Sheet
55
Serializer Timing
8B/10B SERIALIZER DELAY TIMING
TXD
REFCLK
SOUT
t
COSOUT
SYMBOL N SYMBOL N+1
SYMBOL N
SYMBOL N-1
SYMBOL N+1
b9 b0 b1 b2b5 b6 b7 b8 b3
b4
b5
b4 b1 b2b7 b8 b9 b0b6
SYMBOL N SYMBOL N+1
10B/12B SERIALIZER DELAY TIMING
TXD
REFCLK
SOUT
t
COSOUT
SYMBOL N
SYMBOL N-1
b9 b0 b1 b2b5 b6 b7 b8 b3
b4
b5
b4 b7 b8 b9b6
"0"
"1" "0"
"1"
SS Mode SERIALIZER DELAY TIMING
TXD
REFCLK
SOUT
SYMBOL
N SYMBOL N+1
SYMBOL N
SYMBOL N-1
SYMBOL
N+1
b0
b1
b2b5 b6 b7
b3
b4
b5
b4
b7
b6
b0
SS_CLKOUT
t
COSOUT
t
SKTX
t
CKOSOUT
INTERNAL TIMING FOR sysHSI BLOCK
RECCLK
SYDT, RXD
t
HSIOUTVALIDPRE
t
HSIOUTVALIDPOST