Spw-10x spacewire router, User manual, Preliminary – Atmel SpaceWire Router SpW-10X User Manual
Page 131: 5 error/status interface timing parameters
Ref.: UoD_SpW-10X_
UserManual
Issue: 3.4
SpW-10X
SpaceWire Router
User Manual
Date: 11
th
July 2008
Preliminary
131
EXT_TICK_OUT
T
TCLKOL
T
TCLKOH
EXT_TIME_OUT
T
TCLKOE
T
TCLKOE
Figure 10-5 Time-Code Output Interface
TIME_CTR_RST
T
TCKIL
T
TCLKIH
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
T
TCLKIL
1 CLK
period
+ 5 ns
min
Tick-in and time reset high time
T
TCLKIH
1 CLK
period
+ 5 ns
min
Select external time and Time-code in set-up time
T
TCLKISU
5 ns,
max
Select external time and Time-code in hold time
T
TCLKIHLD
5 ns,
max
Tick-out low time
T
TCLKOL
3 CLK
periods
± 5 ns
Min to
max
Tick-out high time
T
TCLKOH
4 CLK
periods
± 5 ns
min
Time-code output valid delay time relative to falling edge of
EXTTICKOUT
T
TCLKOE
± 5 ns
10.5 ERROR/STATUS INTERFACE TIMING PARAMETERS
The timing parameters for the status multiplexer port are show below.