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[参考译文] DIDn't 响应来自 MCU 的 I2C 地址请求(无 ACK)

Guru**** 2322270 points
Other Parts Discussed in Thread: BQ25121
请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/590691/didn-t-response-on-i2c-address-request-from-mcu-no-ack

主题中讨论的其他器件:BQ25121

你(们)好 我的代码与 BQ25121通信

#define BQ25121_ADDR0x6A


I2C_GenerateSTART (BQ_I2C、ENABLE);
while (!I2C_CheckEvent (BQ_I2C、I2C_EVENT_MASTER_MODE_SELECT)}}

I2C_SendData (BQ_I2C、0xD4);
while (!I2C_CheckEvent (BQ_I2C、I2C_EVENT_MASTER_BYTE_TRANSAD){}
// I2C_Send7bitAddress (BQ_I2C、BQ25121_ADDR、I2C_DIRECT_Transmitter);
// while (!I2C_CheckEvent (BQ_I2C、I2C_EVENT_MASTER_TRANSMIT_SELECTED){\f429

)}、GenerateI2C (BQ_ETOP_MODE_MODE_SELECTED);}while (生成 I2C_ENABLE 

发送地址后、程序未响应。  

CD 设置为高电平、以在从 BAT 工作时激活 i2c。 BQ25121的最小连接是什么?