Hitachi SH7751 Hardware Manual page 375

Superh risc engine
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Bits 25 to 23—Area 5 Wait Control (A5W2–A5W0): These bits specify the number of wait
states to be inserted for area 5. For the case where an MPX interface setting is made, see table
13.7.
Bit 25: A5W2
Bit 24: A5W1
0
0
1
1
0
1
Bits 22 to 20—Area 5 Burst Pitch (A5B2–A5B0): These bits specify the number of wait states to
be inserted from the second data access onward at the time of setting the burst ROM in a burst
transfer.
Bit 22: A5B2
Bit 21: A5B1
0
0
1
1
0
1
Rev. 3.0, 04/02, page 336 of 1064
Bit 23: A5W0
Inserted Wait States
0
0
1
1
0
2
1
3
0
6
1
9
0
12
1
15 (Initial value)
Wait States Inserted from
Bit 20: A5B0
Second Data Access Onward
0
0
1
1
0
2
1
3
0
4
1
5
0
6
1
7 (Initial value)
Description
First Cycle
Description
Burst Cycle (Excluding First Cycle)


Pin
Ignored
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled


Pin
Ignored
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled

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