Host Terminating Read Dma - IBM DTTA-351010 - Deskstar 10.1 GB Hard Drive Specifications

6.2.4.3 Host Terminating Read DMA

D M A R Q
D M A C K
<
S T O P
H D M A R D Y
<
D S T R O B E
D B ( 1 5 : 0 0 ) X X X
P A R A M E T E R D E S C R I P T I O N
T r f s R e a d y t o f i n a l s t r o b e t i m e
T r p R e a d y t o p a u s e t i m e
T l i L i m i t e d i n t e r l o c k t i m e
T a z O u t p u t r e l e a s e t i m e
T z a h O u t p u t e n a b l e t i m e
T m l i I n t e r l o c k t i m e
T d s D a t a s e t u p t i m e ( a t d e v i c e s i d e )
T d h D a t a H o l d t i m e
T a c k H o l d t i m e a f t e r
T r d y z P u l l u p t i m e b e f o r e D S T R O B E r e l e a s e
Figure 23. Ultra D M A cycle timings (Host terminating Read)
< T l i
T r p >
T r f s > < T l i
R D D a t a X X X X X X X X X X X X X X X X X X
D e v i c e d r i v e s D B
( a t d e v i c e s i d e )
D M A C K n e g a t i o n
>
< T m l i >
>
T a z < > T d s < > < > T d h
X X X C R C
< T z a h >
> <
H o s t d r i v e s D B
M O D E 0 M O D E 1
M I N M A X M I N
7 5
1 6 0 1 2 5
0 1 5 0 0
1 0
2 0 2 0
2 0 2 0
1 5 1 0
5 5
2 0 2 0
2 0
< T a c k >
< T a c k >
< > T r d y z
X X X X X X X X X X
[ n s e c ]
M O D E 2
M A X M I N M A X
6 0 5 0
1 0 0
1 5 0 0 1 5 0
1 0 1 0
2 0
2 0
7
5
2 0
2 0 2 0
31
Specification