Achronix Speedster22i User Macro Guide Manual de usuario descargar pdf (Pagina 40)

I/O Cells IPAD_DIFFD

Speedster Macro Cell Library

www.achronix.com PAGE 23

Table 1-27: Input Function table

pad padn rxdata_en rxclk dout

Verilog Instantiation Template

IPAD_DIFFD #( .locationp(""),

.locationn(""),

.iostandard("LVDS"),

.rstmode("async"),

.rstvalue("low"),

.pvt_comp("none"),

.termination("50"),

.odt("off"))

instance_name (.pad(user_pad),

.padn(user_padn),

.dout(user_dout),

.rstn(user_rstn),

.data_en(user_data_en),

.clk(user_clk));

VHDL Instantiation Template

------------- ACHRONIX LIBRARY ------------

library speedster22i;

use speedster22i.components.all;

------------- DONE ACHRONIX LIBRARY ---------

-- Component Instantiation

IPAD_DIFFD_instance_name : IPAD_DIFFD

generic map (location => ““,

iostandard => “LVDS”,

rstmode => “async”,

rstvalue => “low”,

pvt_comp => "none",

termination => "50",

odt => "off")

port map (dout => user_dout,

pad => user_pad,

padn => user_padn,

clk => user_clk,

data_en => user_data_en,

rstn => user_rstn);

01 1  0

10 1  1

XX 1  X

ZZ 1  X

XX 0  Hold previous data

ZZ 0  Hold previous data

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 223 224

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Achronix Speedster22i User Macro Guide Manual de usuario Pagina 40

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