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| HD64F2638F20J Datasheet, PDF (230/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series | |||
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Section 7 Bus Controller
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Full access
Burst access
T1
T2
T3
T1
T2
T1
T2
Ï
Address bus
Low address only changes
AS
RD
Data bus
Read data
Read data
Read data
Figure 7-14 (a) Example Burst ROM Access Timing (AST0 = BRSTS1 = 1)
Full access
T1
T2
Burst access
T1
T1
Ï
Address bus
Low address only changes
AS
RD
Data bus
Read data
Read data Read data
Figure 7-14 (b) Example Burst ROM Access Timing (AST0 = BRSTS1 = 0)
Page 180 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010
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