line:
0 device
1 LDO_3P3_EN
2 VCO_LDO_EN
3 CP_EN
4 DIV_EN
5 VCO_EN
6 REF_BUF_EN
7 VCO_MUX_EN
8 LO_DRV_EN
9 LO_PATH_EN
10 MIX_EN0_EN
11 MIX_EN1_EN
12 IF_AMP_EN
13 RFSW_EN
14 BALUN_EN
15 RFDSA_EN
16 LO_LDO_EN
17 ref_in frequency (MHz)
18 pfd frequency (MHz)
19 channel step size (kHz)
20 channel step size multiplier (any integer is valid, within reason)
21 div mode (0=frac, 1=div, illegal values default to 0)
22 LO output frequency (MHz)
23 LO output divider (1,2,4,8,16,32, illegal values default to 2)
24 PFD polarity (0 = POS, 1 = NEG)
25 CSCALE (0,500, 1000, 1500, other values default to 0)
26 BLEED (many values, illegal values are rounded (FLOOR) or default to 0 uA if out of range)
27 ABDLY (anti backlash delay, 0ns, 0.5, 0.75, 0.9, other values default to 0ns)
28 CPCTRL (charge pump control, valid values are both on, pump-dn, pump-up, tristate, PFD. Other values default to PFD)
29 CLKEDGE (divider edge, reference edge, illegal values default to \\)
30 VCO band (vco-pwrdwn, ext vco/lo, 2.8-4.2, 4.2-5.2, 5-5.8, illegal values default to VCO-PWRDWN)
31 VCO band source, automatic or manual, illegal values default to automatic
32 VTUNE source, external or internal 
33 VCO band (0-127)
34 VCO bandcal (enable, disable)
35 RFSW_SEL (0,1,2,3)
36 BAL_CIN (0-15)
37 BAL_COUT (0-15)
38 Low Pass Filter (0-7)
39 Mixer VGS Bias (nom, +0.1, +0.2, +0.3, -0.4, -0.3, -0.2, -0.1)
40 IF Main Bias Enable (enable, disable)
41 IF Linearity Bias Enable (enable, disable)
42 IF Main Bias Level (0-15)
43 IF Linearity Bias Level (0-15)
44 IF_GAIN (0 to 12.0 in 0.5dB increments)
45 MIX_BIAS (30,33.75,37.5,41.25,45,48.75,52.5,56.25ma)
46 MIX_RDAC (0-13)
47 MIX_CDAC (0-13)
48 DITH_EN (enable, disable)
49 DITH_MAG (0-3)
50 DITH_VAL (0-5645)
51 SDM_DIVD_CLR (0,1)