ATSTK503 Atmel, ATSTK503 Datasheet - Page 9

• Manufacturer Part Number: ATSTK503
• Description: STARTER KIT AVR EXP MODULE 100P
• Manufacturer: Atmel

Specifications of ATSTK503

• Accessory Type: STK500 Expansion Module
• Processor To Be Evaluated: Atmegaxxxx
• Data Bus Width: 8 bit
• Interface Type: JTAG
• For Use With/related Products: 100-pin megaAVR Devices
• For Use With: ATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 4-1: High-Voltage programming jumper settings
JTAG Programming
The JTAGICE mkII can, in adittion to help debug your code, be used as a
programmer.
can be set by ISP or HVPP programming.
Figure 4-3: JTAG programming the AVR
Follow these steps to JTAG program the AVR:
STK500
VTARGET
AREF
RESET
XTAL1
OSCSEL
BSEL2
PJUMP
STK503
XTAL switch
TOSC switch
In order to JTAG program an AVR, its OCD Enable fuse must be set. The fuse
1.
2.
3.
4.
5.
Turn off power on STK500.
Connect the JTAGICE mkII probe to the JTAG connector on STK503.
Remove the RESET jumper on STK500.
Connect a serial cable or a USB cable beetween the JTAGICE mkII and
your PC.
Turn on power on STK500.
Mounted
Optional
Mounted
Mounted
Mounted, pin 1 and 2
Mounted
Open
position near crystal socket
not important
9