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IAR Embedded Workbench for Arm 9.70.x

‑‑drv_swo_clock_setup

In this section:
Syntax
‑‑drv_swo_clock_setup=frequency,autodetect,wanted
Parameters
frequency

The exact clock frequency used by the internal processor clock, HCLK, in Hz. This value is used for configuring the SWO communication speed and for calculating timestamps.

autodetect

0, Manually specified frequency. Use if data packets are lost during transmission. Specify the desired frequency using the parameter wanted.

1, Automatic detection. Automatically uses the highest possible frequency that the J-Link debug probe can handle.

wanted

The frequency to be used if autodetect is 0, in Hz.

For use with

The C-SPY J-Link/J-Trace driver.

The C-SPY ST-LINK driver.

The C-SPY TI XDS driver.

Description

Use this option to set up the CPU clock. If this option is not used, the CPU clock frequency is by default set to 72 MHz.

Caution

Project>Options>Debugger>J-Link/J-Trace>Setup>Clock setup

Project>Options>Debugger>ST-LINK>Communication>Clock setup

Project>Options>Debugger>TI XDS>Communication>Clock setup