CD1865 Datasheet, PDF (131/150 Pages) Intel Corporation – Intelligent Eight-Channel Communications Controller

Intelligent Eight-Channel Communications Controller — CD1865
Figure 30. Clocked Bus Interface Clocks
t
14
t
t
16
15
Figure 31. Clocked Bus Interface Read Cycle,
Motorola^-Style Handshake
CD1865
CLOCK
t
1
DS*
CS*
t
7
R/W*
t
4
ADDRESS
DON’T
CARE
t
19
READ DATA
DTACK*
ACKIN*
t
8
t
10
NEW CYCLE MAY BEGIN
t
9
t
11
VALID
t
20
UNDEFINED
t
24
t
25
DON’T CARE
DON’T CARE
t
23
VALID
t
t
28
26
t
29
ACKOUT*
t
27
Datasheet
131