Datasheet > RDA1846S

RDA1846S

更新时间： 2022-05-21 08:16:44

品牌	Logo	应用领域
RDC		射频对讲机
页数	文件大小	规格书
16页	592K
描述
对讲机射频芯片

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数据手册

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RDA1846S 数据手册

RDA Microelectronics, Inc.

RDA1846S Datasheet V0.1

Table 7-1

RDA1846S Pins Description

SYMBOL

DESCRIPTION

AVDD

SCLK

SDIO

Power supply

Clock input for serial control bus

Data input/output for serial control bus

Power supply

AVDD

XTAL1

XTAL2

Oscillator pin 1

Oscillator pin 2

Control Interface select

When MODE = V_L, I²C Interface is select

When MODE = V_H, SPI Interface is select

Latch enable (active low) input for serial control bus

Audio signal output to speaker

No connection

MODE

SENB

AFOUT

NC*

MIC_IN

MIC input

Compensation capacitor connection pin

Power supply

AVDD

NC*

No connection

RFIN

AVDD

NC*

RF signal input

Power supply

No connection

RFOUT

NC*

RF signal output

No connection

NC*

No connection

AVDD

PABIAS

AVDD

Power supply

PA bias supply for PA

Power supply

Chip enable, high active

Chip sleep , low active

Gpio7 / vox

PDN

GPIO7

GPIO6

GPIO5

GPIO4

(When Gpio7=V_H, vox is active; else V_L)

Gpio6 / sq

(When Gpio6=V_H, sq is active; else V_L)

Gpio5 / txon

(When Gpio5=V_H, txon is active; else V_L)

Gpio4 / rxon

(When Gpio4=V_H, rxon is active; else V_L)

Gpio3 / sdo

GPIO3

GPIO2

(Gpio3=V_Hor V_L, it is the output register data in 4 wire control

interface mode)

Gpio2 / int

The information contained herein is the exclusive property of RDA and shall not be distributed, reproduced, or disclosed in whole or in

part without prior written permission of RDA.

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