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Install Keil

Keil MDK-ARM IDE (Keil) is an Integrated Development Environment (IDE) provided by ARM® for Cortex® and ARM devices. You can download and install the Keil installation package from the Keil official website https://www.keil.com/demo/eval/arm.htm. For the GR551x SDK, Keil V5.20 or a later version shall be installed.


For more information about how to use Keil MDK-ARM IDE, see online manuals provided by ARM: https://www.keil.com/support/man_arm.htm.

The main interface of Keil is shown in Figure 13.

Figure 13 Keil interface

Frequently used function buttons of Keil are shown in Table 6.

Table 6 Frequently used function buttons of Keil
Keil Icon Description

Options for target

Start/Stop Debug Session



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