HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 88

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

2.9.4
The external address space is accessed with an 8-bit or 16-bit data bus width in a two-state or
three-state bus cycle. In three-state access, wait states can be inserted. For further details, refer to
section 6, Bus Controller.
68
External Address Space Access Timing
ø
Address bus
AS
RD
HWR, LWR
Data bus
Figure 2.20 Pin States during On-Chip Supporting Module Access
T1
High-impedance state
Unchanged
Bus cycle
High
High
High
T2