HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 365

• Manufacturer Part Number: HD64570
• Description: Serial Communications Adaptor
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 10.9 CPU Mode 2, 3 Master Mode Bus Timing
(V
Item
Clock cycle time
Clock high-level pulse width
Clock low-level pulse width
Clock fall time
Clock rise time
Address delay time 1
Set-up time from AS
AS delay time
HDS, LDS delay time 1
Hold time from AS 1
Hold time from AS 2
HDS, LDS delay time 3
Read data set-up time
Read data hold time
WAIT set-up time
WAIT hold time
HDS, LDS delay time 2
HDS, LDS low-level pulse width
Write data delay time
Write data set-up time
Write data hold time
Write data floating delay time
AS high-level pulse width
Read data strobe hold time
CC
= 5 V
10%, V
SS
= 0 V, Ta = 20 to +75 C unless otherwise specified)
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CYC
CH
CL
cf
cr
AD1
ASS
ASD
DSD1
ASH1
ASH2
DSD3
RDS
RDH
WTS
WTH
DSD2
DSW
WDD
WDS
WDH
WDZ
ASW1
RDHX
Min
100
40
40
15
10
10
25
20
30
30
110
15
10
70
0
Typ
Rev. 0, 07/98, page 349 of 453
Max
2000
10
10
60
50
50
55
50
60
60
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Timing
Figure 10.8,
figure 10.9