A71CH Memory addresses

ahmedtolba — Sat, 18 May 2019 10:08:50 GMT

Hello,

I'm trying to interface with A71CH using STM32F Hal functions hal_mem_write.

Which writes to a specific address with size, a byte of data command PCB.

What are the adddresses and what it should be ?

The hal function definition is like that

HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout)

The device address is 0x48, but what should be the memAddress in A71CH ?

Re: A71CH Memory addresses

Kan_Li — Tue, 21 May 2019 07:20:22 GMT

Hello,

A71CH's I2C interface is using the following I2C spec:

https://www.nxp.com/docs/en/supporting-information/AN12207.pdf

Please check with the ST tech supporter on how to use the Hal API to implement the timing.

Thanks for your patience and understanding!

Have a great day,
Kan

-------------------------------------------------------------------------------
Note:
- If this post answers your question, please click the "Mark Correct" button. Thank you!

- We are following threads for 7 weeks after the last post, later replies are ignored
Please open a new thread and refer to the closed one, if you have a related question at a later point in time.
-------------------------------------------------------------------------------

topic Re: A71CH Memory addresses in Secure Authentication

A71CH Memory addresses

Re: A71CH Memory addresses