4 vga1 register – 0x3, 5 vga2 register – 0x4, 6 vga3 register – 0x5 – Sundance SMT399-160 User Manual
Page 19: Vga1 register – 0x3, Vga2 register – 0x4, Vga3 register – 0x5

5.4.4 VGA1 Register – 0x3.
For more details, refer to AD8370 datasheet.
VGA1 Register – 0x3
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
1
Reserved
Default
‘0000000’
0
Gain Mode
Gain
Default
‘0’ ‘0000000’
VGA1 Register – 0x3
Setting
Gain
Mode
(Bit 7)
Description
0
0
LG Mode: Low Gain. The Gain can be from -11 to +17dBs.
1
1
HG Mode: Low Gain. The Gain can be from +6 to +34dBs.
VGA1 Register – 0x3
Setting
Bits 6-0
Description
0
Gain value (Binary). The scale is from -11 to +17dBs (LG Mode) or from +6 to +34dBs (HG Mode).
5.4.5 VGA2 Register – 0x4
For more details, refer to AD8370 datasheet.
VGA2 Register – 0x4
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
1
Reserved
Default
‘0000000’
0
Gain Mode
Gain
Default
‘0’ ‘0000000’
VGA2 Register – 0x4
Setting
Gain
Mode
(Bit 7)
Description
0
0
LG Mode: Low Gain. The Gain can be from -11 to +17dBs.
1
1
HG Mode: Low Gain. The Gain can be from +6 to +34dBs.
VGA2 Register – 0x4
Setting
Bits 6-0
Description
0
Gain value (Binary). The scale is from -11 to +17dBs (LG Mode) or from +6 to +34dBs (HG Mode).
5.4.6 VGA3 Register – 0x5.
For more details, refer to AD8370 datasheet.
VGA3 Register – 0x5
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
1
Reserved
Default
‘0000000’
User Manual SMT399-160
Page 19 of 39
Last Edited: 24/05/2007 17:12:00