Aeroflex Circuit Technology
9.5µs ± 0.75µs
DATA SYNC
4.5 ± 0.5µs
4.5 ± 0.5µs
2.1µs MAX
15.5µs max
15
14
13
12
11
0
P
STATUS SYNC
8
7
6
5
0
P
6.5µs ±0.5µs
100ns MAX
100ns MAX
DON’T CARE
125ns
1µs
250ns FOR HANDSHAKES > 3.5µs
4.5µs FOR HANDSHAKES < 3.5µs
PREVIOUS STATE
COMMAND SYNC
1
0
P
NBGT
DTREQ
DTGRT
DTACK
DTSTB
INCMD
A5 (D/C)
6
SUB ADDRESS
ADDRESS = 00h
WORD COUNT
TRISTATE
STATEN
GBR
A11 (T/R)
R/W
A6 - A10
A0 - A4
ADDRESS = 01h
STATUS WORD
TRISTATE
TRISTATE
DB0 - DB15
COMMAND WORD
RECEIVE DATA WORD
STATUS WORD
BUFFENA
1.1µs (STATUS BITS STROBED IN)
(SRQ,BUSY,SSFLAG,RDBC,RTFLAG)
SCDCT2542 REV E 8/23/00 Plainview NY (516) 694-6700
ILLCMD STROBED IN
Figure 4 – Timing Diagram, Receive One Word