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.

Packet : 17869319avr_jtag_stk500.zip filelist
Jtag twice/
Jtag twice/ASM/
Jtag twice/asm.hex
Jtag twice/ASM/asm.aps
Jtag twice/ASM/asm.asm
Jtag twice/ASM/asm.aws
Jtag twice/ASM/asm.hex
Jtag twice/ASM/asm.map
Jtag twice/ASM/asm.obj
Jtag twice/ASM/AvrBuild.bat
Jtag twice/ASM/labels.tmp
Jtag twice/Boot.hex
Jtag twice/fuse byte.jpg
Jtag twice/jatg Twice.txt
Jtag twice/Jatg.jpg
Jtag twice/Jtag Ice + Stk500.hex
Jtag twice/Jtag Ice.hex
Jtag twice/jtag twice(jtag ice + stk500 +asm).hex
Jtag twice/Stk500-final/
Jtag twice/Stk500-final/.dep/
Jtag twice/Stk500-final/.dep/Main.o.d
Jtag twice/Stk500-final/.map
Jtag twice/Stk500-final/command.h
Jtag twice/Stk500-final/Main.c
Jtag twice/Stk500-final/Main.elf
Jtag twice/Stk500-final/Main.hex
Jtag twice/Stk500-final/Main.lss
Jtag twice/Stk500-final/Main.lst
Jtag twice/Stk500-final/Main.o
Jtag twice/Stk500-final/Main.sym
Jtag twice/Stk500-final/Makefile
jtag&isp&asm OK.hex

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