Achronix Speedster22i User Macro Guide Uživatelský manuál stáhnout pdf (Strana 28)

I/O Cells IOPAD_D2

Speedster Macro Cell Library

www.achronix.com PAGE 11

Table 1-13: Parameters

Parameter Defined Values Default Value

location

iostandard “LVCMOS18”

drive

rstmode

rstvalue

slew

keepmode

open_drain “true”, “false” “false”

pvt_comp “none”, “own” “none”

Figure 1-4: IOP

AD_D2 Output Timing Diagram (assumes txdata_en = 1’b1)

Figure 1-5: IOPAD_D2 Input Timing Diagram (assumes rxdata_en = 1’b1)

oeclk input Output Enable Register Clock Input.

“<pad_location>” ““

See Table1‐1

"2", "4", "6", "8", "12", "16" "16"

“sync”, “async” “async”

“low”, “high” “low”

“fast”, “slow” “slow”

"pullup", "pulldown", "none" “none”

Table 1-12: P

orts (Continued)

Name Type Description

txclk

dina

dinb

pad

rxclk

douta

doutb

pad

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 223 224

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Achronix Speedster22i User Macro Guide Uživatelský manuál Strana 28