Datasheet

Table Of Contents
Section 6 Bus Controller
REJ09B0140-0900 Rev. 9.00 Page 141 of 846
Sep 16, 2010
H8S/2215 Group
T
1
CS0
AS
T
2
T
1
T
1
RD
Address bus
φ
Data bus
Full access Burst access
Only lower address changed
Read data Read data Read data
Figure 6.21 Example of Burst ROM Access Timing (When AST0 = BRSTS1 = 0)
6.7.2 Wait Control
As with the basic bus interface, either program wait insertion or pin wait insertion using the WAIT
pin can be used in the initial cycle (full access) of the burst ROM interface. See section 6.6.4, Wait
Control.
Wait states cannot be inserted in a burst cycle.