SI2414 SILABS [Silicon Laboratories], SI2414 Datasheet - Page 43

• Manufacturer Part Number: SI2414
• Manufacturer: SILABS [Silicon Laboratories]

Register
U1A
U1B
U1C
U1D
U1E
U2A
U2B
U2C
U2D
U17
U18
U19
U1F
U20
U21
U22
U23
U24
U25
U26
U27
U28
U29
Address
0x001A
0x001B
0x001C
0x001D
0x001E
0x002A
0x002B
0x002C
0x002D
0x0017
0x0018
0x0019
0x001F
0x0020
0x0021
0x0022
0x0023
0x0024
0x0025
0x0026
0x0027
0x0028
0x0029
(Hex)
BT1A0
BT1B1
BT1B2
BT1A2
BT1A1
BT2A0
BT2B1
BT2B2
BT2A2
BT2A1
BT3A0
BT3B1
BT3B2
BT3A2
BT3A1
BT4A0
BT4B1
BT4B2
BT4A2
BT4A1
BTON
Name
BTOF
BTK
Table 21. U-Register Description (Continued)
Description
BT1 registers set the coefficients for stage 1 of the Busy Tone
Detect filter. Default is for FCC countries. See "Appendix C—User-
Access Register Settings" on page 73 for other country settings.
Busy tone detect filter stage 2 biquad coefficients.
Busy tone detect filter stage 3 biquad coefficients.
Busy tone detect filter stage 4 biquad coefficients.
Busy tone detect filter output scaler.
Busy tone detect ON threshold.
Busy tone detect OFF threshold.
Rev. 0.9
Si2456/Si2433/Si2414
0x6EF1
0xC4F4
0xC000
0xC305
0xB50A
0x70D2
0xC830
Default
0x00A0
0x00A0
0x78B0
0x80E2
0x00A0
0x0800
0x0000
0x0000
0x0000
0x0000
0x0000
0x4000
0x0400
0x4000
0x0009
0x0070
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