Datasheet

consumption will increase. Note that the TDI pin for the next device in the scan chain contains a pull-up

that avoids this problem. Writing the JTD bit in the MCUCSR register to one or leaving the JTAG fuse

unprogrammed disables the JTAG interface.

14.9. Register Description

Atmel ATmega64A [DATASHEET]

Atmel-8160E-ATmega64A_Datasheet_Complete-09/2015