h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 179

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

6.4.4
8-Bit 2-State Access Space: Figure 6.5 shows the bus timing for an 8-bit 2-state access space.
When an 8-bit access space is accessed, the upper half (D15 to D8) of the data bus is used.
Wait states cannot be inserted.
Read
Write
Basic Timing
AS/IOS (IOSE = 1)
AS/IOS (IOSE = 0)
Address bus
D15 to D8
D15 to D8
Figure 6.5 Bus Timing for 8-Bit 2-State Access Space
D7 to D0
HWR
RD
T
1
Bus cycle
Rev. 3.00 Jan 18, 2006 page 151 of 1044
Valid
T
2
Section 6 Bus Controller
Invalid
Valid
REJ09B0280-0300