si4330 Silicon Laboratories, si4330 Datasheet - Page 92

• Manufacturer Part Number: si4330
• Description: Si4330 Ism Receiver
• Manufacturer: Silicon Laboratories

Register 1Dh. AFC Loop Gearshift Override
Register 1Ch. IF Filter Bandwidth
Si4330
Reset value = 00000001
Reset value = 01000000
92
Name
Name
Type
Type
Bit
Bit
6:4
3:0
5:3
2:0
Bit
Bit
7
7
6
ndec_exp[2:0] IF Filter Decimation Rates.
dwn3_bypass
dwn3_bypass Bypass Decimator by 3 (if set).
afcgearh[2:0] AFC High Gear Setting.
afcgearl[2:0]
filset[3:0]
afcbd
R/W
Name
Name
D7
afcbd
enafc
R/W
D7
IF Filter Coefficient Sets.
Defaults are for Rb = 40 kbps and Fd = 20 kHz so Bw = 80 kHz.
If set, the tolerated AFC frequency error will be halved.
AFC Enable.
AFC Low Gear Setting.
enafc
R/W
D6
D6
ndec_exp[2:0]
D5
R/W
D5
Preliminary Rev 0.2
afcgearh[2:0]
R/W
D4
D4
Function
Function
D3
D3
D2
D2
filset[3:0]
R/W
afcgearl[2:0]
R/W
D1
D1
D0
D0