HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 203

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

6.4.4
8-Bit 2-State Access Space: Figure 6.6 shows the bus timing for an 8-bit 2-state access space.
When an 8-bit access space is accessed, the upper half (D
The LWR pin is fixed high. Wait states cannot be inserted.
Basic Timing
Note: n = 0 to 7
Read
Write
Figure 6.6 Bus Timing for 8-Bit 2-State Access Space
Address bus
D
D
D
D
15
15
φ
7
7
HWR
to D
to D
to D
to D
LWR
CSn
RD
AS
8
0
8
0
T
1
Rev.6.00 Sep. 27, 2007 Page 173 of 1268
Bus cycle
15
High
to D
High impedance
Valid
8
) of the data bus is used.
T
2
Invalid
Valid
Section 6 Bus Controller
REJ09B0220-0600