H8SX1651 Datasheet, PDF (232/812 Pages) Renesas Technology Corp – Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

Section 6 Bus Controller (BSC)
Table 6.20 Number of Idle Cycle Insertion Selection in Each Area
Bit Settings
IDLSn IDLSELn
Insertion Condition
n Setting n = 0 to 7
Consecutive reads in different areas 1 0

1
0
1
Write after read
00

1
0
1
Read after write
20

1
External access after single address 3 0

transfer
1
[Legend]
A:
Number of idle cycle insertion A is selected.
B:
Number of idle cycle insertion B is selected.
Invalid: No idle cycle is inserted for the corresponding condition.
Area for Previous Access
01234567
Invalid
AAAAAAAA
BBBBBBBB
Invalid
AAAAAAAA
BBBBBBBB
Invalid
A
Invalid
A
Table 6.21 Number of Idle Cycle Insertions
IDLCA1

0
0
1
1
A
IDLCA0

0
1
0
1
Bit Settings
IDLCB1
0

0
1
1
B
IDLCB0
0

1
0
1
Number of Cycles
0
1
2
3
4
Rev.2.00 Jun. 28, 2007 Page 208 of 784
REJ09B248-0200