HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 399

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

Write cycle
Read cycle
Memory
Memory
SCA
SCA
CLK
A – A
AS (ME)
WAIT
RD
D – D
(In)
WR
D – D
(Out)
0
0
0
23
7
7
t
Cr
Figure 10.7 Master Mode Bus Timing
t
t
ASWH
CHW
t
AD
t
AS
t
T
t
WDD
CYC
1
t
t
t
CLW
RDD1
ASD1
t
Cf
t
(CPU Mode 1)
t
WS
WDS
t
WRD1
T
2
t
t
t
ASWL
WS
WH
t
Rev. 0, 07/98, page 383 of 453
WRP
T
W
t
WH
t
DRS
t
ASD2
T
3
t
t
RDD2
WRD2
t
DRH
t
t
WDH
AH
t
WDZ