Specifications

DATA SHEET QF4A512
Rev D4, Dec 07 51 www.quickfiltertech.com
4Dh FIR_0_1_NMAX_F2 (Maximum storage address for f2)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Address 4Dh addr7 addr6 addr5 addr4 addr3 addr2 addr1 addr0
4Eh FIR_0_1_ NMAX_F2 (Maximum storage address for f2)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Address 4Eh X X X X X X X addr8
Default value =1FF
Description: Maximum data storage (tap) address value for f2.
4Fh FIR_0_1_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 4Fh addr7 addr6 addr5 addr4 addr3 addr2 addr1 addr0
Default value = 0
Description: Minimum coefficient storage address value for f2.
50h FIR_0_1_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 50h addr7 addr6 addr5 addr4 addr3 addr2 addr1 addr0
Default value = FF
Description: Maximum coefficient storage address value for f2.
Maintenance Registers
51h CH1_SRST (Channel soft reset) – For factory use. User should use FULL_SRST (02H) to reset the chip
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Address 51h X X X fir_0_1_srst fir_0_0_srst txrx_0_srst cic_0_srst chpc_0_srst
chpc_0_srst
*0 = No action
1 = Reset
Description: Soft reset the chopper clock generator.
cic_0_srst
*0 = No action
1 = Reset
Description: Soft reset the CIC module. Clears all internal CIC registers.
txrx_0_srst
*0 = No action
1 = Reset
Description: Soft reset the tx/rx.
fir_0_0_srst
*0 = No action
1 = Reset