Atmel SpaceWire Router SpW-10X Bedienungsanleitung PDF herunterladen (Seite 130)

Ref.:

UoD_SpW-10X_

UserManual

Issue:

3.4

SpW-10X

SpaceWire Router

User Manual

Date:

July 2008

Preliminary

130

Table 10-3 External port timing parameters

Description Symbol Value Units

Write enable setup time to CLK rising edge T

EXTWRSU

5 ns, min

Write enable hold time after CLK rising edge T

EXTWRHLD

5 ns, min

Write data setup time to CLK rising edge T

EXTIDATSU

5 ns, min

Write data hold time after CLK rising edge T

EXTIDATHLD

5 ns, min

CLK rising edge to full flag output T

EXTFFCKO

5 ns, min

CLK rising edge to full flag output T

EXTFFCKO

18 ns, max

Read enable setup time to CLK rising edge T

EXTRDSU

5 ns, min

Read enable hold time after CLK rising edge T

EXTRDHLD

5 ns, min

CLK rising edge to read data output T

EXTODATCKO

5 ns, min

CLK rising edge to read data output T

EXTODATCKO

18 ns, max

CLK rising edge to empty flag output T

EXTEFCKO

5 ns, min

CLK rising edge to empty flag output T

EXTEFCKO

18 ns, max

10.4 TIME-CODE INTERFACE TIMING PARAMETERS

The following diagrams define the timing parameters for the time-code input and output

EXT_TICK_IN

SEL_EXT_TIME

EXT_TIME_IN

TCLKIL

TCLKIH

TCLKISU

TCLKIHLD

Figure 10-4 Time-Code Input Interface

1 2 ... 125 126 127 128 129 130 131 132 133 134 135 ... 154 155

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