Gurley Precision Instruments VJ, Руководство пользователя

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FIGURE 2: SSI timing diagram
STA D
MSB
D
MSB-1
PARITY Flag1 Flag2
Flag3
D
LSB
CLOCK
DATA
Tcd
Tclk
T
wait
Tm
SYMBOL DESCRIPTION MIN TYP MAX UNITS
Tclk
Tcd
Clock period 0.3 15 uSec.
Clock to Data Valid 200
1
100
Tm Monostabe time 16 20 25 uSec
T
wait
Wait Time 0 uSec
Tch
Tcl
Clock high time 120
nSec.
Tcl Clock low time 120 nSec.
FIGURE 3: Timing diagram when using optional SYNC input
STA D
MSB
D
MSB-1
PARITY
Flag1
Flag2 Flag3
D
LSB
CLOCK
DATA
STA
Tcd
Tclk
Tsc
Tsync
SYMBOL DESCRIPTION MIN TYP MAX UNITS
Tclk
Tsc
Clock period 0.3 uSec.
nSec.
1
100
Tcd Clock to Data Valid 200 nSec
Tsync Sync Pulse width 100 nSec
100
SYNC
Clock high time 120 nSec.
Tcl Clock low time 120 nSec.