Register Description R820T2 (Rafael Micro) - 6
| Manufacturer | Rafael Micro |
| Description | High Performance Low Power Advanced Digital TV Silicon Tuner in QFN-24 package |
| Pages / Page | 11 / 6 — 1.3 Register Index and Description. Reg. R/W Bitmap. Symbol. Description. … |
| File Format / Size | PDF / 229 Kb |
| Document Language | English |
1.3 Register Index and Description. Reg. R/W Bitmap. Symbol. Description. 0x05. 0x06. 0x07

Model Line for this Datasheet
Text Version of Document
1.3 Register Index and Description
Table 1-3 : R820T2 Register Index and Description
Reg R/W Bitmap Symbol Description
Loop through ON/OFF R/W [7] PWD_LT 0: on 1: off LNA 1 power control R/W [5] PWD_LNA1 0:on 1:off
R5
LNA gain mode switch
0x05
R/W [4] LNA_GAIN_MODE 0: auto 1: manual LNA manual gain control 15: max gain R/W [3:0] LNA_GAIN[3:0] : 0: min gain Power detector 1 on/off R/W [7] PWD_PDET1 0: on 1: off Power detector 3 on/off R/W [6] PWD_PDET3 0: off 1: on
R6
Filter gain 3db
0x06
R/W [5] FILT_3DB 0:0db 1:+3db LNA power control 000: max R/W [2:0] PW_LNA[2:0] : 111: min Mixer power R/W [6] PWD_MIX 0:off 1:on Mixer current control R/W [5] PW0_MIX 0:max current
R7
1:normal current
0x07
Mixer gain mode R/W [4] MIXGAIN_MODE 0:manual mode 1:auto mode Mixer manual gain control R/W [3:0] MIX_GAIN[3:0] 0000->min 1111->max CONFIDENTIAL © 2012 by Rafael Microelectronics, Inc. All rights reserved. 6