Can I use NFC7120/7150 with another MCU as host without OS?

[gunsumlut]

I want to use another Cortex-M0 CPU as the host and I am thinking I might not need an OS? 

My assumption:

1. PN7120/7150 will give me the data and I can use the data directly in my application logic without dealing with much lower level NFC functionalities. 

2. NFC Reader Library will be usable with or without an OS ? 

3. If I must use an OS, will FreeRTOS be suitable? I am assuming NFC Reader Library will be supported on FreeRTOS.

Is  PN7462 or PN7460 a better option ? 

Thanks,

Gun Naung

[IvanRuiz]

Dear Gun Sumlut,

Your assumption is correct. PN7120 is ok. In the host side, you have to be ready to receive over UART, I2C or SPI, clinging to its transmission characteristics and NCI format. It supports RTOS and non RTOS based architecture.

Regards,

Ivan.

[gunsumlut · Accepted solution]

Hi Ivan,

Thanks for the answer. 

If I go with PN7462, instead, and if I want to use TCP/IP stack for Cortex M0, I have to add extra storage space on board to store the RTOS and TCP/IP stack ? Is 160K enough for both RTOS and TCP/IP stack ? 

Thanks,

Gun Sumlut