h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 185

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

6.5.3
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.
Basic Operation Timing
Read
Write
AS/IOS (IOSE = 1)
AS/IOS (IOSE = 0)
Figure 6.5 Bus Timing for 8-Bit, 2-State Access Space
Address bus
D15 to D8
D15 to D8
D7 to D0
HWR
RD
T
1
Bus cycle
Rev. 3.00 Mar 21, 2006 page 131 of 788
Valid
T
Section 6 Bus Controller (BSC)
2
Invalid
Valid
REJ09B0300-0300