Table 6.4 Address Range And External Address Area (Multiplex Extended Mode); Table 6.5 Bus Specifications For Multiplex Extended Bus Interface (Address Cycle); Table 6.6 Bus Specifications For Multiplex Extended Bus Interface (Data Cycle) - Renesas H8S/2437 Hardware Manual
Renesas 16-bit single-chip microcomputer h8s family / h8s / 2600 series
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The external extended wait function is effective when the low-speed device is connected to
the external address area.
For details on multiplex extended address range, external address area, as well as bus
interface specifications, refer to tables 6.4 to 6.6.
Table 6.4
Address Range and External Address Area (Multiplex Extended Mode)
Address Range
H'080000 to H'FBFFFF (15 Mbytes)
H'FC0000 to H'FCFFFF (64 kbytes)
H'FD0000 to H'FDFFFF (64 kbytes)
H'FE0000 to H'FEFFFF (64 kbytes)
H'FF0000 to H'FF9FFF (40 kbytes)
Table 6.5
Bus Specifications for Multiplex Extended Bus Interface (Address Cycle)
ASTn
AWn
0
1
[Legend]
n = 1 to 3
Table 6.6
Bus Specifications for Multiplex Extended Bus Interface (Data Cycle)
ASTn
AWn
WMSn1 WMSn0 WCn1
0
1
0
0
1
[Legend]
n = 1 to 3
*: Don't care.
WMSn1
WMSn0
1
0
0
*
1
Area
Basic area
Area 1
Area 2
Area 3
Integrated with basic area when RAME = 0 (use
prohibited)
WCn1
WCn0
Number of
WCn0
Access States
2
3
0
3
1
3
0
3
1
3
Rev. 1.00, 09/03, page 99 of 704
Number of
Number of
Program
Access
Wait
States
States
2
0
2
1
Number of
Program Wait
States
0
0
0
1
2
3
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