HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 198

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 6 Bus Controller
6.5.4
(1) 8-Bit 2-State Access Space
Figure 6.10 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.
Rev.3.00 Mar. 26, 2007 Page 156 of 772
REJ09B0355-0300
Basic Timing
Note: n = 0 to 3
Read
Write
Figure 6.10 Bus Timing for 8-Bit 2-State Access Space
Address bus
15
D
D
to D
D
D
15
15
7
7
HWR
to D
to D
to D
to D
LWR
CSn
8
RD
AS
) of the data bus is used.
8
0
8
0
T
1
Bus cycle
High
High impedance
Valid
T
2
Invalid
Valid