HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 174

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

6. Bus Controller
16-Bit, Two-State-Access Areas: Figures 6.14 to 6.16 show the timing of bus control signals for
a 16-bit, two-state-access area. In these areas, the upper data bus (D
even addresses and the lower data bus (D
be inserted.
Rev.4.00 Aug. 20, 2007 Page 130 of 638
REJ09B0395-0400
Figure 6.14 Bus Control Signal Timing for 16-Bit, Two-State-Access Area (1)
Write access
Read access
Note: n = 7 to 0
Address bus
D
D
D
D
HWR
15
LWR
15
CS
7
7
RD
AS
(Byte Access to Even Address)
to D
to D
φ
to D
to D
n
0
0
8
8
7
to D
Even external address in area n
0
) in accesses to odd addresses. Wait states cannot
High
T
1
Bus cycle
Undetermined data
Valid
Invalid
T
Valid
15
2
to D
8
) is used in accesses to