HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 170

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

6. Bus Controller
8-Bit, Two-State-Access Areas: Figure 6.10 shows the timing of bus control signals for an 8-bit,
two-state-access area. The upper data bus (D
pin is always high. Wait states cannot be inserted.
Rev.4.00 Aug. 20, 2007 Page 126 of 638
REJ09B0395-0400
Figure 6.10 Bus Control Signal Timing for 8-Bit, Two-State-Access Area
Write access
Read access
Note: n = 7 to 0
Address bus
D
D
D
D
HWR
15
LWR
15
CS
7
7
AS
RD
to D
to D
φ
to D
to D
n
0
0
8
8
15
to D
External address in area n
High
8
) is used in accesses to these areas. The LWR
T
1
Bus cycle
Undetermined data
Valid
Invalid
T
Valid
2