Table - table 1-8: parameters – Achronix Speedster22i User Macro Guide User Manual
Page 23
I/O Cells
IOPAD_D
Speedster Macro Cell Library
PAGE 6
Table 1-8: Parameters
Parameter
Defined Values
Default Value
location
iostandard
“LVCMOS18”
drive
txregmode
rxregmode
oeregmode
rstmode
rstvalue
slew
keepmode
hysteresis
open_drain
“true”, “false”
“false”
pvt_comp
“none”, “own”
“none”
odt
“off”, “on”
“off”
termination
“50”, “60”, “75”, “100”, “120”, “240”
“50”
Table 1-9: Output Function Table (txregmode = ”reg”, oeregmode = “reg”, rstmode = “async”)
din
txdata_en
oe
oerstn
txrstn
txclk
pad
Table 1-10: Output Function Table (txregmode = ”reg”, oeregmode = “reg”, rstmode = “sync”)
din
txdata_en
oe
oerstn
txrstn
txclk
oeclk
pad
Table 1-11: Input Function table (rxregmode = “reg”)
pad
rxdata_en
rxclk
dout
“<pad_location>”
““
See
"2", "4", "6", "8", "12", "16"
"16"
“reg”, ”nonreg”
“reg”
“reg”, ”nonreg”
“reg”
“reg”, ”nonreg”
“reg”
“sync”, “async”
“async”
“low”, “high”
“low”
“fast”, “slow”
“slow”
"pullup", "pulldown", "none"
“none”
"none", "schmitt"
“none”
X
X
X
0
X
X
Z
X
0
X
1
1
Hold previous data
X
1
0
1
1
Z
0
1
1
1
1
0
1
1
1
1
1
1
X
1
0
1
1
Z
X
X
X
0
X
Z
X
0
X
1
1
Hold previous data
X
1
0
1
1
Z
0
1
1
1
1
0
1
1
1
1
1
1
X
1
0
1
1
Z
0
1
0
1
1
1
X
1
X
Z
1
X
X,Z
0
Hold previous data