Sundance SMT943 - Manual (Page 42)

User Manual SMT943 Page 42 of 54 Last Edited: 23/08/2011 17:24:00
Setting Bit 2 Description synchr_clkin
0 0 Synchronous mode off.
1 1 Synchronous mode on. Clk1 and Clk2 must synchronous in phase and frequency when
reaching the DAC
Setting Bit 7:6 Description insel mode
0 00 Normal input on Port A and Port B.
1 01 Interleaved input on Port A.
2 10 Interleaved input on Port B.
3 11 Half rate on Port A and B.
Setting Bit 8 Description mixer_ena
0 0 Mixer bypassed.
1 1 Mixer enabled.
Setting Bit 9 Description qmc_corr_ena
0 0 QMC phase and gain correction bypasses.
1 1 QNC phase and gain correction enabled.
Setting Bit 10 Description qmc_offset_ena
0 0 QMC offset correction bypasses.
1 1 QNC offset correction enabled.
Setting Bit 11 Description fir4_ena
0 0 Filter bypassed.
1 1 FIR4 Inverse Sinc filter enabled.
Setting Bit 13 Description clk1c_in_ena
0 0 Pin used as PLL_LOCK status output.
1 1 Pin used as a clock input.
Setting Bit 14 Description clk1_in_ena
0 0 Pin used as CLK0 clock output.
1 1 Pin used as a clock input.
DAC chcd Register 1 0x41.
DAC chcd Register 1 0x41
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 Ser_dac_d
ata_ena
Output delay b_equals
_a
A_equa
ls_b
reserved revb reva
Default ‘0’ ‘00’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’
0 Diffclk_dly Clk0_dly Reserved
Default ‘00’ ‘00’ ‘0000’
DAC chcd Register 1 0x41
Setting Bit 5:4 Description clk0_dly