HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 88

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

Note:
Rev. 0, 07/98, page 72 of 453
CLK
BHE
CS
RD
WR
WAIT
D to D
(Out)
D to D
(In)
A to A
0
0
0
1.
2.
15
15
7
Figure 3.9 Slave Mode Bus Timing Sequence in CPU Mode 0
Ti states are required between successive slave mode bus cycles or interrupt
acknowledge cycles.
State numbers do not match MPU state numbers.
Read cycle SCA
T
1
Register address
T
2
T
Output data
3
MPU
T
4
T
i
Write cycle MPU
Data latch point
T
1
Register address
T
Input data
2
T
3
SCA
T
4
T
i