HD643303x Hitachi, HD643303x Datasheet - Page 125

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

8-Bit, Two-State-Access Areas: Figure 6-4 shows the timing of bus control signals for an 8-bit,
two-state-access area. Wait status cannot be inserted.
Read
access
Write
access
Figure 6-4 Bus Control Signal Timing for 8-Bit, Two-State-Access Area
ø
Address bus
AS
RD
D
WR
D
7
7
to D
to D
0
0
T
110
1
External address
Bus cycle
Valid
Valid
T
2