Register Description R820T2 (Rafael Micro) - 8
| 制造商 | Rafael Micro |
| 描述 | High Performance Low Power Advanced Digital TV Silicon Tuner in QFN-24 package |
| 页数 / 页 | 11 / 8 — Reg. R/W Bitmap. Symbol. Description. R11. 0x0B. R12. 0x0C. R13. 0x0D. … |
| 文件格式/大小 | PDF / 229 Kb |
| 文件语言 | 英语 |
Reg. R/W Bitmap. Symbol. Description. R11. 0x0B. R12. 0x0C. R13. 0x0D. R14. 0x0E

该数据表的模型线
文件文字版本
Reg R/W Bitmap Symbol Description
Filter bandwidth manual course tunnel 00: widest R/W [6:5] FILT_BW 10 or 01: middle
R11
11: narrowest
0x0B
High pass filter corner control R/W [3:0] HPF[3:0] 0000: highest 1111: lowest VGA power control R/W [6] PWD_VGA 0: vga power off 1: vga power on VGA GAIN manual / pin selector
R12
R/W [4] VGA_MODE 1: IF vga gain controlled by vagc pin
0x0C
0: IF vga gain controlled by vga_code[5:0] IF vga manual gain control R/W [3:0] VGA_CODE[3:0] 0000: -12.0 dB 1111: +40.5 dB; -3.5dB/step LNA agc power detector voltage threshold high setting R/W [7:4] LNA_VTHH[4:0] 1111: 1.94 V
R13
0000: 0.34 V, ~0.1 V/step
0x0D
LNA agc power detector voltage threshold low setting R/W [3:0] LNA_VTHL[3:0] 1111: 1.94 V 0000: 0.34 V, ~0.1 V/step MIXER agc power detector voltage threshold high setting R/W [7:4] MIX_VTH_H[4:0] 1111: 1.94 V
R14
0000: 0.34 V, ~0.1 V/step
0x0E
MIXER agc power detector voltage threshold low setting R/W [3:0] MIX_VTH_L[3:0] 1111: 1.94 V 0000: 0.34 V, ~0.1 V/step CONFIDENTIAL © 2012 by Rafael Microelectronics, Inc. All rights reserved. 8