9

Table 4-1: High-Voltage programming jumper settings

STK500

VTARGET

Mounted

AREF

Optional

RESET

Mounted

XTAL1

Mounted

OSCSEL

Mounted, pin 1 and 2

BSEL2

Mounted

PJUMP

Open

STK503

XTAL switch

position near crystal socket

TOSC switch

not important

JTAG Programming

The JTAGICE mkII can, in adittion to help debug your code, be used as a

programmer.

In order to JTAG program an AVR, its OCD Enable fuse must be set. The fuse

can be set by ISP or HVPP programming.

Figure 4-3: JTAG programming the AVR

Follow these steps to JTAG program the AVR:

1.

Turn off power on STK500.

2.

Connect the JTAGICE mkII probe to the JTAG connector on STK503.

3.

Remove the RESET jumper on STK500.

4.

Connect a serial cable or a USB cable beetween the JTAGICE mkII and

your PC.

5.

Turn on power on STK500.