HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 203

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

(4) 16-Bit 3-State Access Space
Figures 6.15 to 6.17 show bus timings for a 16-bit 3-state access space. When a 16-bit access
space is accessed, the upper half (D
lower half (D
Wait states can be inserted.
Figure 6.15 Bus Timing for 16-Bit 3-State Access Space (1) (Even Address Byte Access)
Note: n = 0 to 3
Read
Write
7
to D
Address bus
D
D
0
) for the even address.
D
D
15
15
7
7
HWR
to D
to D
to D
to D
LWR
CSn
RD
AS
8
0
8
0
15
to D
T
8
) of the data bus is used for the odd address, and the
1
High impedance
High
Bus cycle
Rev.3.00 Mar. 26, 2007 Page 161 of 772
T
2
Valid
Section 6 Bus Controller
T
3
Invalid
REJ09B0355-0300
Valid