HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 188

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

8-Bit 3-State Access Space: Figure 6.7 shows the bus timing for an 8-bit 3-state access space.
When an 8-bit access space is accessed, the upper half (D
The LWR pin is fixed high. Wait states can be inserted.
Rev.4.00 Sep. 07, 2007 Page 158 of 1210
REJ09B0245-0400
Note: n = 0 to 7
Read
Write
Address bus
D
D
D
D
15
15
Figure 6.7 Bus Timing for 8-Bit 3-State Access Space
7
7
φ
HWR
to D
to D
to D
to D
LWR
CSn
RD
AS
8
0
8
0
T
1
High impedance
Bus cycle
High
15
T
to D
2
Valid
8
) of the data bus is used.
T
3
Invalid
Valid