qf4a512 ETC-unknow, qf4a512 Datasheet - Page 49

• Manufacturer Part Number: qf4a512
• Description: 4-channel Programmable Signal Converter Psc
• Manufacturer: ETC-unknow

Note: The following registers (3Bh – 50h) have values generated by the Quickfilter Pro Design Software. Manual alteration of
these registers is not recommended, the descriptions are for reference only.
3Bh FIR_0_0_CTRL (FIR Control, filter 0)
Address 3Bh fir_0_0_decimf2 fir_0_0_decimf2 fir_0_0_decimf1 fir_0_0_decimf1
fir_0_0_f2_enable
*0 = Disable
Description: Enable the second filter block, f2.
fir_0_0_oddf1
*0 = Disable
Description: Set an odd number of taps for f1.
fir_0_0_oddf2
*0 = Disable
Description: Set an odd number of taps for f2.
fir_0_0_decimf1
Description: Decimation value for f1. Default value = 0, values in range 0 – 3.
fir_0_0_decimf2
Description: Decimation value for f2. Default value = 0, values in range 0 – 3.
3Ch FIR_0_0_NMIN_F1 (Minimum storage address for f1)
Address 3Ch
Default value = 0
3Dh FIR_0_0_NMAX_F1 (Maximum storage address for f1)
Address 3Dh
Default value = 7F
Description: Minimum and maximum data storage (tap) address values for f1.
3Eh FIR_0_0_CMIN_F1 (Minimum coefficient storage address for f1)
Address 3Eh
Default value = 0
3Fh FIR_0_0_CMAX_F1 (Maximum coefficient storage address for f1)
Address 3Fh
Default value = 3F
Rev C5, Jan 07
1 = Enable
1 = Enable
1 = Enable
Bit 7 Bit 6 Bit 5
Bit 7 Bit 6 Bit 5
Bit 7 Bit 6
Bit 7 Bit 6
X
X
X
X
Bit 7
addr6 addr5 addr4 addr3 addr2 addr1 addr0
addr6 addr5 addr4 addr3 addr2 addr1 addr0
X
X
addr5 addr4 addr3 addr2 addr1 addr0
addr5 addr4 addr3 addr2 addr1 addr0
Bit 5
Bit 5
Bit 4
Bit 4
Bit 4
Bit 4
Bit 6
Bit 3
Bit 3
Bit 3
Bit 3
Bit 2
Bit 2
Bit 2
Bit 2
Bit 1
Bit 1
Bit 5
Bit 1
Bit 1
Bit 0
Bit 0
Bit 0
Bit 0
PRELIMINARY
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Bit 4
Bit 3
X
fir_0_0_oddf2 fir_0_0_oddf1 fir_0_0_f2_enable
Bit 2
Bit 1
Bit 0
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QF4A512