Overview

The ROM API project is a simple demonstration program of the SDK ROM API driver.

• The ROM API supports OTP-eFuse read and programming operations.

Hardware requirements

• Micro USB cable

• Target board

• Personal Computer

Board settings

No special settings are required.

Prepare the Demo

1. Connect a micro USB cable between the PC host and the MCU-Link USB port on the board

2. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

3. Download the program to the target board.

4. Launch the debugger in your IDE to begin running the demo.

Running the demo

This example demonstrate various OTP operations. When the example runs successfully, the following message is displayed in the terminal.

ROM API OTP Driver Version 0x45010100
INFO: Starting Example test_otp_init 
INFO: Finished Example test_otp_init
INFO: Starting Example test_otp_fuse_read 
Read fuseword[52] = [0xxx]
INFO: Finished Example test_otp_fuse_read 
INFO: Starting Example test_otp_deinit 
INFO: Finished Example test_otp_deinit 
ALL OTP Examples completed successfully!