This the M16 to do with the JTAG with stk500 (correctly said that it should be ISP) combined with a pin PC6 is to determine whether low-level JTAG or stk500.

Jtag twice
..........\ASM
..........\...\asm.aps
..........\...\asm.asm
..........\...\asm.aws
..........\...\asm.hex
..........\...\asm.map
..........\...\asm.obj
..........\...\AvrBuild.bat
..........\...\labels.tmp
..........\asm.hex
..........\Boot.hex

..........\jatg Twice.txt

..........\Jtag Ice + Stk500.hex
..........\Jtag Ice.hex
..........\jtag twice(jtag ice + stk500 +asm).hex
..........\Stk500-final
..........\............\.map
..........\............\command.h
..........\............\Main.c
..........\............\Main.elf
..........\............\Main.hex
..........\............\Main.lss
..........\............\Main.lst
..........\............\Main.o
..........\............\Main.sym
..........\............\Makefile
jtag&isp&asm OK.hex

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