SpW-10X

Ref.:

UoD_SpW-10X_

SpaceWire Router

 

UserManual

Issue:

3.4

User Manual

Date:

11th July 2008

 

 

 

EXT_TICK_OUT

EXT_TIME_OUT

TIME_CTR_RST

TTCLKOL

TTCLKOH

TTCLKOE

Figure 10-5 Time-Code Output Interface

TTCKIL

 

 

TTCLKIH

 

 

 

 

 

 

 

 

 

 

TTCLKOE

Figure 10-6 Time-code TIME_CTR_RST interface

The Time-code timing parameters are shown below.

Table 10-4 Time-code interface timing parameters

Description

Symbol

Value

Units

 

 

 

 

Tick-in and time reset low time

TTCLKIL

1 CLK

min

 

 

period

 

 

 

+ 5 ns

 

 

 

 

 

Tick-in and time reset high time

TTCLKIH

1 CLK

min

 

 

period

 

 

 

+ 5 ns

 

 

 

 

 

Select external time and Time-code in set-up time

TTCLKISU

5

ns, max

 

 

 

 

Select external time and Time-code in hold time

TTCLKIHLD

5

ns, max

 

 

 

 

Tick-out low time

TTCLKOL

3 CLK

Min to

 

 

periods

max

 

 

± 5 ns

 

 

 

 

 

Tick-out high time

TTCLKOH

4 CLK

min

 

 

periods

 

 

 

± 5 ns

 

 

 

 

 

Time-code output valid delay time relative to falling edge of

TTCLKOE

± 5

ns

EXTTICKOUT

 

 

 

 

 

 

 

10.5 ERROR/STATUS INTERFACE TIMING PARAMETERS

The timing parameters for the status multiplexer port are show below.

Preliminary

131

Page 131
Image 131
Atmel SpW-10X user manual ERROR/STATUS Interface Timing Parameters, Time-code Timectrrst interface