33 / 52 page

RTI-33
Figure 19. Mode Command Message Processing
BIPHASE IN
DATA/CMD
SYMBOL
PARAMETER
MINIMUM
MAXIMUM
UNITS
Response time BIPHASE IN to BI-
PHASE OUT 2
Command word parity bit to COMSTR asser-
tion 1
3.67
µs
µs
3.58
8.80
9.37
Notes:
1. Measured from data or command word mid-bit parity crossing.
2. Measured from transmitted status word sync field mid-bit crossing.
* Supplied as a design limit but not guaranteed or tested.
1
BIPHASE
t19a
MES ERR
*
*
t19g
t19a
t19b
P
STATUS
SYNC
2
t19c
t19b
t19e
t19f
t19d
STATUS active to BIPHASE OUT active
µs
1.24
1.25
* t
19c
STATUS pulse width
µs
4.48
4.98
* t
19d
Command word parity bit to XMIT assertion
µs
3.58
3.67
* t
19e
XMIT pulse width for mode code reception
µs
1.00
-
* t
19f
Command word parity bit to MES ERR as-
sertion
µs
6.57
6.68
* t
19g
COMSTR
STATUS
XMIT
P