HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 176

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

6. Bus Controller
6.4.6
When accessing external space, the H8/3008 can extend the bus cycle by inserting wait states (T
There are two ways of inserting wait states: program wait insertion and pin wait insertion using
the WAIT pin.
Program Wait Insertion: From 0 to 3 wait states can be inserted automatically between the T
state and T
of WCRH and WCRL.
Rev.4.00 Aug. 20, 2007 Page 132 of 638
REJ09B0395-0400
Figure 6.16 Bus Control Signal Timing for 16-Bit, Two-State-Access Area (3)
Wait Control
3
state on an individual area basis in three-state access space, according to the settings
Read access
Write access
Note: n = 7 to 0
Address bus
D
D
D
D
HWR
15
LWR
15
CS
7
7
RD
AS
to D
to D
φ
to D
to D
n
0
0
8
8
(Word Access)
External address in area n
T
1
Bus cycle
Valid
Valid
T
Valid
Valid
2
2
w
).