HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 175

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

16-Bit 3-State Access Space: Figures 6.11 to 6.13 show bus timings for a 16-bit 3-state access
space. When a 16-bit access space is accessed , the upper half (D
for the even address, and the lower half (D
Wait states can be inserted.
156
Note: n = 0 to 3
Figure 6.11 Bus Timing for 16-Bit 3-State Access Space (1) (Even Address Byte Access)
Read
Write
Address bus
D
D
D
D
15
15
7
7
ø
HWR
to D
to D
to D
to D
LWR
CSn
RD
AS
8
0
8
0
T
1
7
to D
0
) for the odd address.
High impedance
High
Bus cycle
T
2
Valid
15
to D
8
) of the data bus is used
T
3
Invalid
Valid