6.7.3 XTAL1 Pin Tri-stated
If the target AVR device runs on the internal oscillator, the XTAL1 pin can be disconnected from the clock sources on STK600.
To disconnect the XTAL1 pin, set the CLOCK switch to the INT position.
If the target AVR device runs on the internal oscillator, the XTAL1 pin can be disconnected from the clock sources on STK600.
To disconnect the XTAL1 pin, set the CLOCK switch to the INT position.
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