HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 376

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

Table 10.21 CPU Mode 1 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
Address set-up time
AS delay time 1
RD delay time 1
Address hold time
AS delay time 2
RD delay time 2
Data read set-up time
Data read hold time
WAIT set-up time
WAIT hold time
Write data floating delay time
WR delay time 1
Write data delay time
Write data set-up time
WR delay time 2
WR pulse width
Write data hold time
AS high-level pulse width
AS low-level pulse width
Rev. 0, 07/98, page 360 of 453
CC
= 5 V
5%, V
SS
= 0 V, Ta = 0 to +70 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
t
CYC
CHW
CLW
cf
cr
AD
AS
ASD1
RDD1
AH
ASD2
RDD2
DRS
DRH
WS
WH
WDZ
WRD1
WDD
WDS
WRD2
WRP
WDH
ASWH
ASWL
Min
60
25
25
5
10
15
5
15
20
0
40
10
30
50
Typ
Max
500
5
5
45
35
35
35
35
40
45
60
35
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
ns
Timing
Figure 10.7