STC micro STC8A8K64D4 Series Reference Manual page 823

STC8A8K64D4 Series Manual
H.2 Install Keil software
The emulation of STC microcontroller is based on the Keil development environment, so before the emulation,
the Keil software must be installed.
The C51 and C251 development kits can be downloaded from the addresses shown in the figure below
Note: The latest Keil-UV5 software does not include 8051 and 80251 toolkits by default, and must be
downloaded and installed manually.
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