24
Drive select
Direction select
Reverse
Step
500ns min
1
m
s min.
Forward
1
m
s min.
1
m
s min.
1
m
s min.
1
m
s min.
18ms min.
3ms
min.
2.9ms
max.
50
m
s max.
2
m
s max.
Track 0
*Note:
Turn around time is 18ms (min.) when direction is changed.
Figure 5-1. Step timing
700ms min. (Auto recalibrate)
4
m
s max.
18ms min.
Power on
Motor on
Drive select
Step
Valid read data
Side select
Write gate
Drive mode
500ms max.
100
m
s min.
100
m
s min.
500ms max.
500ms min.
1.2ms max.*
690
m
s max.**
1.1ms min.*
590ms min.**
1.1ms min.*
590ms min.**
* For MINI - mode
** For MAXI - mode
Figure 5-2. Read initiate timing
Leaflet No. 9419 26/4/97 6:10 pm Page 24
