RDA1846 查看數據表（PDF） - Unspecified
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RDA1846 Datasheet PDF : 16 Pages
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RDA Microelectronics, Inc.
RDA1846 SPEC V1.2e
Table 7-1 RDA1846 Pins Description
SYMBOL
AVDD
SCLK
SDIO
AVDD
XTAL1
XTAL2
MODE
SENB
AFOUT
NC*
MIC_IN
Cc
AVDD
NC*
RFIN
AVDD
NC*
RFOUT
NC*
NC*
AVDD
PABIAS
AVDD
PDN
GPIO7
GPIO6
GPIO5
GPIO4
GPIO3
GPIO2
PIN
DESCRIPTION
1
Power supply
2
Clock input for serial control bus
3
Data input/output for serial control bus
4
Power supply
5
Oscillator pin 1
6
Oscillator pin 2
Control Interface select
7
When MODE = VL, I2C Interface is select
When MODE = VH, SPI Interface is select
8
Latch enable (active low) input for serial control bus
9
Audio signal output to speaker
10
No connection
11
MIC input
12
Compensation capacitor connection pin
13
Power supply
14
No connection
15
RF signal input
16
Power supply
17
No connection
18
RF signal output
19
No connection
20
No connection
21
Power supply
22
PA bias supply for PA
23
Power supply
24
Chip enable, low active
25
Gpio7 / vox
(When Gpio7=VH, vox is active; else VL)
Gpio6 / sq
26
(When Gpio6=VH, sq is active; else VL)
Gpio5 / txon
27
(When Gpio5=VH, txon is active; else VL)
Gpio4 / rxon
28
(When Gpio4=VH, rxon is active; else VL)
Gpio3 / sdo
29
(Gpio3=VH or VL, it is the output register data in 4 wire control
interface mode)
Gpio2 / int
30
(When Gpio2=VH, int is active; else VL)
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.
Page 9 of 16
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