h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 208

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 6 Bus Controller
Full access
Burst access
T
T
T
T
T
T
T
1
2
3
1
2
1
2
Only lower address changed
Address bus
AS/IOS (IOSE = 0)
RD
Data bus
Read data
Read data
Read data
Figure 6.8 (a) Example of Burst ROM Access Timing (When AST = BRSTS1 = 1)
Full access
Burst access
T
T
T
T
1
2
1
1
Only lower address changed
Address bus
AS/IOS (IOSE = 0)
RD
Data bus
Read data
Read data Read data
Figure 6.8 (b) Example of Burst ROM Access Timing (When AST = BRSTS1 = 0)
Rev. 4.00 Jun 06, 2006 page 154 of 1004
REJ09B0301-0400