SpW-10X

 

Ref.: UoD_SpW-10X_

 

 

 

SpaceWire Router

 

 

UserManual

 

 

 

 

Issue:

3.4

 

 

 

 

 

User Manual

 

 

 

 

 

 

 

Date:

11th July 2008

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 10-3 External port timing parameters

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Description

 

Symbol

 

Value

Units

 

 

 

 

 

 

 

 

 

Write enable setup time to CLK rising edge

 

TEXTWRSU

 

 

5

ns, min

 

 

 

 

 

 

 

 

 

Write enable hold time after CLK rising edge

 

TEXTWRHLD

 

 

5

ns, min

 

 

 

 

 

 

 

 

 

Write data setup time to CLK rising edge

 

TEXTIDATSU

 

 

5

ns, min

 

 

 

 

 

 

 

 

 

Write data hold time after CLK rising edge

 

TEXTIDATHLD

 

 

5

ns, min

 

 

 

 

 

 

 

 

 

CLK rising edge to full flag output

 

TEXTFFCKO

 

 

5

ns, min

 

 

 

 

 

 

 

 

 

CLK rising edge to full flag output

 

TEXTFFCKO

 

 

18

ns, max

 

 

 

 

 

 

 

 

 

Read enable setup time to CLK rising edge

 

TEXTRDSU

 

 

5

ns, min

 

 

 

 

 

 

 

 

 

Read enable hold time after CLK rising edge

 

TEXTRDHLD

 

 

5

ns, min

 

 

 

 

 

 

 

 

 

CLK rising edge to read data output

 

TEXTODATCKO

 

 

5

ns, min

 

 

 

 

 

 

 

 

 

CLK rising edge to read data output

 

TEXTODATCKO

 

 

18

ns, max

 

 

 

 

 

 

 

 

 

CLK rising edge to empty flag output

 

TEXTEFCKO

 

 

5

ns, min

 

 

 

 

 

 

 

 

 

CLK rising edge to empty flag output

 

TEXTEFCKO

 

 

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

TTCLKIL

TTCLKIH

TTCLKISU

TTCLKIHLD

Figure 10-4 Time-Code Input Interface

Preliminary

130

Page 130
Image 130
Atmel SpW-10X user manual TIME-CODE Interface Timing Parameters, Time-Code Input Interface