h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 241

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h8s-2635

Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
7.5.3
As with the basic bus interface, program waits can be inserted in the burst ROM interface initial
cycle (full access). See section 7.4.5, Wait Control.
Wait states cannot be inserted in the burst cycle.
7.6
7.6.1
When the chip accesses external space, it can insert a 1-state idle cycle (T
the following two cases: (1) when read accesses between different areas occur consecutively, and
(2) when a write cycle occurs immediately after a read cycle. By inserting an idle cycle it is
possible, for example, to avoid data collisions between ROM, with a long output floating time, and
high-speed memory, I/O interfaces, and so on.
Wait Control
Idle Cycle
Operation
Rev. 6.00 Feb 22, 2005 page 181 of 1484
Section 7 Bus Controller
I
) between bus cycles in
REJ09B0103-0600

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