ST20-C1 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST20-C1' PDF : 205 Pages View PDF
final accum ulator. This is shown in Figure 5.3.
5 Multiply accumulate
X data value
15
0
Y data value
15
0
<< 8
23
8
0
47
39
8
0
Add to internal accumulator
Figure 5.3 Coefficient scaling with mac_mode set to 2
Shifting the coefficient b y 1 extra place (i.e. 9 places) is used to normalize a 2.14
(Q14) coefficient to the correct position for the binary point. This is shown in Figure
5.4.
X data value
15
0
Y data value
15
0
<< 9
24
9
0
47
40
9
0
Add to internal accumulator
Figure 5.4 Coefficient scaling with mac_mode set to 3
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