Quickfilter QF4A512-PA Especificações descarregar pdf (Página 49)

DATA SHEET QF4A512

Rev D4, Dec 07 49 www.quickfiltertech.com

3Fh FIR_0_0_CMAX_F1 (Maximum coefficient storage address for f1)

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Address 3Fh X X addr5 addr4 addr3 addr2 addr1 addr0

Default value = 3F

Description: Minimum and maximum coefficient storage address values for f1.

40h FIR_0_0_NMIN_F2 (Minimum storage address for f2)

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Address 40h X addr6 addr5 addr4 addr3 addr2 addr1 addr0

Default value = 0

41h FIR_0_0_NMAX_F2 (Maximum storage address for f2)

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Address 41h X addr6 addr5 addr4 addr3 addr2 addr1 addr0

Default value = 7F

Description: Minimum and maximum data storage (tap) address values for f2.

42h FIR_0_0_CMIN_F2 (Minimum coefficient storage address for f2)

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Address 42h X X addr5 addr4 addr3 addr2 addr1 addr0

Default value = 0

43h FIR_0_0_CMAX_F2 (Maximum coefficient storage address for f2)

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Address 43h X X addr5 addr4 addr3 addr2 addr1 addr0

Default value = 3F

Description: Minimum and maximum coefficient storage address values for f2.

44h FIR_0_1_CTRL (FIR Control, filter 1)

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Address 44h fir_0_1_decimf2 fir_0_1_decimf2 fir_0_1_decimf1 fir_0_1_decimf1 X fir_0_1_oddf2 fir_0_1_oddf1 fir_0_1_f2_enable

fir_0_1_f2_enable

*0 = Disable

1 = Enable

Description: Enable the second filter block, f2.

fir_0_1_oddf1

*0 = Disable

1 = Enable

Description: Set an odd number of taps for f1.

fir_0_1_oddf2

*0 = Disable

1 = Enable

Description: Set an odd number of taps for f2.

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 66 67

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Quickfilter QF4A512-PA Especificações Página 49