SI3233-X-FM 查看數據表（PDF） - Silicon Laboratories

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SI3233-X-FM

PROSLIC® PROGRAMMABLE CMOS SLIC WITH RINGING/BATTERY VOLTAGE GENERATION

Silicon Laboratories 

Si3233

Register 9. Audio Gain Control

Bit

D7

D6

D5

D4

D3

D2

D1

D0

Name

ARX[1:0]

Type

R/W

Reset settings = 0000_0000

Bit

Name

Function

7:2 Reserved Read returns zero.

1:0

ARX[1:0] Analog Receive Path Gain.

00 = 0 dB

01 = –3.5 dB

10 = 3.5 dB

11 = Mute

Note: ARX affects internally generated audio signals only. Audio received on IGMN/IGMP pins is

not impacted.

Preliminary Rev. 0.5

43

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