SI2109-D-FM Silicon Laboratories Inc, SI2109-D-FM Datasheet - Page 68

• Manufacturer Part Number: SI2109-D-FM
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2109-D-FM

• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Compliant

Si2107/08/09/10
Register 75h. Digital AGC 1 Control
Register 76h. Digital AGC 1 Gain L
68
Name
Name
Bit
5:4
7:0
Bit
Bit
7
6
3
2
1
0
Bit
D7
0
D7
DAGC1W[1:0]
DAGC1HOLD
DAGC1HOST
DAGC1_EN
DAGC1_EN
DAGC1[7:0]
Reserved
Reserved
DAGC1T
Name
Name
D6
D6
DAGC1W[1:0]
D5
D5
Program as shown above. (Device may change the value of this bit
during operation.)
Enable digital AGC 1
0 = Disabled
1 = Enabled (default)
Digital AGC Measurement Window
00 = 256 samples
01 = 512 samples
10 = 1024 samples (default)
11 = 2048 samples
Select AGC threshold
0 = –15 dBFS (default)
1 = –9 dBFS
Hold previous computed gain value on DAGC1
0 = Update gain after each calculation (default)
1 = Do not update gain value
Host-controlled DAGC1
Enable host control of holding of gain.
0 = control internal to chip (default)
1 = host control via registers DAGC1HOLD and DAGC1T
Program as shown above.
Gain of digital AGC 1 (low-byte).
Default: 00h
D4
Rev. 1.0
D4
DAGC1[7:0]
DAGC1T
D3
D3
DAGC1HOLD
Function
Function
D2
D2
DAGC1HOST
D1
D1
D0
D0
0