Tandy 1000 SL Technical Reference Manual page 314

MON d e l a y 2 : I n t e r n a l s i g n a l o f LSI. 49
9 .
5lmsec a f t e r t h e ;?re-
r e a d y
s t a t e .
80% s p e e d d e t e c t i o n
Ready l a t c h i n U1
MON d e l a y 1 i n U1
Pre-ready i n U1
DSEL: DRIVE SELECT i n p u t s i g n a l LOW
I
-
44 3246
l m s
_c
I
I
MC (Motor-on command)
1
Ready
s t a t e
i n U1
MON
d e l a y 2 ( 4 9 % 5 1 m s ) - o l
I
I
Ready
I
-
DSEL i n p u t (Ul-53)
I
I
-
IDXO o u t p u t (U1-54)
U U
Motor on --Head l o a d e n a b l e
( w i t h HL
s o l e n o i d
model)
Notes
300rpm: B a n d F models 360rpm: G model
( F i g . 2 1 0 ) Ready d e t e c t o r waveforms
-
235
-