Specifications

深圳市芯中芯科技有限公司
SHENZHENSHI XINZHONGXIN TECHNOLOGY CO., LTD.
F-6988 V3.1
10 of 12
地址：深圳市宝安区沙井东环工业区 A3 栋
ADDRESS:Block 3, Dong Huan Industrial Park, Sha Jing Town, Bao’an District, Shenzhen City, Guangdong, Province, China
公司网/WEB：WWW.C-CHIP.COM.CN
电话/TEL：[phone]/82
传真/FAX: [phone]
30
MICINP
MIC+
Microphone input positive
31
V2MICB1AS
VMIC
Microphone reference voltage
32
AUDIOLN
Audio output
Audio left channel negative
33
AUDIOLP
Audio output
Audio left channel positive
34
AUDIORP
Audio output
Audio right channel positive
35
AUDIORN
Audio output
Audio right channel negative
36
VUSB
Power
VUSB (4.7-5.2V)
37
VBAT
Power supply
Power supply(3.1V-4.2V)
38
VCC3YS
Power
3.3V OUTPUT
39
VCC3IO
VCCSD
SD POWER
40
GND
GND
GND
九、电路连接注意 Design notes：
F-6988 模块应用过程中，请注意避免功放、升压线路，DC/DC 电路等干扰源对模块的影响，
避免模块供电回路同大功率电路单元形成串联回路，以此来提高整机 SNR; AGND 必须连接后级
功放大地。
In order to better SNR, please pay attention to the hardware design of PA, DC
booster, DC/ DC circuit and the module power circuit to avoid influencing module.