QL7100-4PB516C データシートの表示（PDF） - QuickLogic Corporation
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QL7100-4PB516C Datasheet PDF : 65 Pages
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EclipsePlus Family Data Sheet Rev. A
The modes for the ECU block are dynamically re-programmable through the programmable logic as shown in
Table 3.
Instruction
S1 S2
S3
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Table 3: ECU Mode Select Criteria
Operation
ECU Performancea, -7 WCCb
tPD
tSU
tCO
Multiply
6.57 ns max
Multiply-Add
Accumulatec
8.84 ns max
3.91 ns min. 1.16 ns max.
Add
Multiply (registered)d
3.14 ns max
9.61 ns min. 1.16 ns max.
Multiply- Add (registered)
9.61 ns min. 1.16 ns max.
Multiply - Accumulate
9.61 ns min. 1.16 ns max.
Add (registered)
3.91 ns min. 1.16 ns max.
a. tPD, tSU and tCO do not include routing paths in/out of the ECU block.
b. Timing numbers represent -7 Worst Case Commercial conditions.
c. Internal feedback path in ECU restricts max clk frequency to 238 MHz.
d. B [15:0] set to zero.
4
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