Читаем: • Bit 0 - JTAGD: JTAG Disable Setting this bit will disable the JTAG interface. This bit is protected by the Configuration Change Protection mechanism, for details refer to Section 3.12 ”Configuration Change Protection” on page 12.
Смотрим: 3.12 Configuration Change Protection (меньше страницы)
Делаем: CCP = 0xD8; MCU.MCUCR = (1 << JTAGD);
или проще: в программаторе в FUSES отключаем JTAGEN
|