Where can I find documentation on UART settings?

[sdi_kei]

Hello.
I am developing a central operation using nrf52832 (S132 v7.0.1, SDK v17.0.0).

I am investigating the data bit and stop bit settings.
At that time, I found a page where the data bit is fixed at 8 bits and the stop bit is fixed at 1 bit.
I'm looking for material that describes this, but I can't find it.
Could you tell me?

Best Regards.

[Amanda Hsieh]

Hi, 

I am developing a central operation using nrf52832 (S132 v7.0.1, SDK v17.0.0).

If you are using v17.0.0 for development, it is strongly recommended to switch to v17.0.2 as a bug fix release replacing nRF5 SDK v17.0.0. The latest version v17.1.0 is also released.  

The UART supports 8-bit data + 1 stop bit and can be configured to use either even parity or no parity. When the  CONFIG.is enabled, the parity bit is automatically calculated from the data. You can take a look at the app_uart_comm_params_t Struct Reference which is used in the UART Example. 

Regards,
Amanda

[sdi_kei]

Hello.

Proposed Thank you.
However, I am involved in a BLE project, and I cannot change it from sdk17.0.0 due to the balance with other people.

I checked the structure reference, but there was no mention of data bits and stop bits. Please tell me where it is listed.

Best Regards.

[Amanda Hsieh]

Hi, 

Not find the clear statement as you require, but in nRF52832 PS UART Functional description:

The UART implements support for the following features:

• Full-duplex operation
• Automatic flow control
• Parity checking and generation for the 9^th data bit

As illustrated in Figure, the UART uses the TXD and RXD registers directly to transmit and receive data. The UART uses one stop bit.

Hope this can help.

-Amanda