HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 208

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 6 Bus Controller
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.
Rev.6.00 Sep. 27, 2007 Page 178 of 1268
REJ09B0220-0600
Figure 6.11 Bus Timing for 16-Bit 3-State Access Space (1) (Even Address Byte Access)
Note: n = 0 to 7
Read
Write
Address bus
D
D
D
D
15
15
7
7
φ
HWR
to D
to D
to D
to D
LWR
CSn
RD
AS
8
0
8
0
T
7
1
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