Atmel SpaceWire Router SpW-10X Bedienungsanleitung PDF herunterladen (Seite 129)

Ref.:

UoD_SpW-10X_

UserManual

Issue:

3.4

SpW-10X

SpaceWire Router

User Manual

Date:

July 2008

Preliminary

129

Table 10-2 Serial signal timing parameters

Description Symbol Value Units

DS maximum input bit rate T

200+2% Mbits/s, max

DS minimum consecutive edge separation T

DSINS

3 ns, min

Minimum edge separation between 2 consecutive edges T

DSINS2

7.5 ns, min

Data Strobe output skew & jitter (incl. LVDS driver) T

DSOSKEWJIT

1.2 ns, max

10.3 EXTERNAL PORT TIMING PARAMETERS

The external port input timing parameters can be viewed below

CLK

EXT_IN_WRITE_N

EXT_IN_DATA

EXT_IN_FULL_N

EXTFFCKO

EXTODATSU

EXTODATHLD

EXTWRSU

EXTWRHLD

Figure 10-2 External port input FIFO timing parameters

The external port input timing parameters can be viewed below

CLK

EXT_OUT_READ_N

EXT_OUT_DATA

EXT_OUT_EMPTY_N

EXTEFCKO

EXTRDSU

EXTRDHLD

EXTODATCKO

Figure 10-3 External port output FIFO timing parameters

1 2 ... 124 125 126 127 128 129 130 131 132 133 134 ... 154 155

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