Hitachi SH7750 series Hardware Manual page 297

Superh risc engine
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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 in a burst transfer.
Bit 22: A5B2
Bit 21: A5B1
0
0
1
1
0
1
Bits 19 to 17—Area 4 Wait Control (A4W2–A4W0): These bits specify the number of wait
states to be inserted for area 4.
Bit 19: A4W2
Bit 18: A4W1
0
0
1
1
0
1
Bits 16 and 12—Reserved: These bits are always read as 0, and should only be written with 0.
Rev. 4.0, 04/00, page 286 of 850
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)
Bit 17: A4W0
Inserted Wait States
0
0
1
1
0
2
1
3
0
6
1
9
0
12
1
15 (Initial value)
Description
Burst Cycle (Excluding First Cycle)
Description
5'< Pin
5'<
5'<
5'<
Ignored
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
5'< Pin
5'<
5'<
5'<
Ignored
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled

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