Download Quickfilter QF4A512-PA Specifications

DATA SHEET
QF4A512
3Fh FIR_0_0_CMAX_F1 (Maximum coefficient storage address for f1)
Bit 7 Bit 6 Bit 5
Address 3Fh
X
X
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
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
Address 40h
X
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
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
Address 41h
X
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
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
Address 42h
X
X
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
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
Address 43h
X
X
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
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
Address 44h fir_0_1_decimf2 fir_0_1_decimf2 fir_0_1_decimf1 fir_0_1_decimf1
Bit 3
X
Bit 2
Bit 1
Bit 0
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.
Rev D4, Dec 07
49
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