HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 285

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

Figure 6.11 External Bus Timing in Memory-to-MSCI Single-Block Transfer Mode
CLK
BHE, A
A to A
D to D
AS
RD
1
0
0
23
15
T
1
(a) CPU Mode 0
Samples data
T (T )
Read data
CLK
A to A
D to D
AS
R/W
HDS,
LDS
2
1
0
W
15
23
T
3
T
(c) CPU Modes 2 and 3
1
Memory address
Samples data
T (T )
Read data
2
CLK
A to A
D to D
AS
RD
0
0
W
T
23
7
3
T
1
Memory address
Rev. 0, 07/98, page 269 of 453
(b) CPU Mode 1
Samples data
T (T )
Read data
2
W
T
3