STK521 User Guide

2-6

8194B–AVR–01/12

The Atmel STK500 and STK521 jumpers must be configured as follows :

Table 2-1. In-System programming jumper settings for the Atmel AT90PWM81.

Note:

See the Atmel STK500 User Guide for information on how to use the STK500 front-end software

for ISP Programming.

2.3.2

High-voltage programming

Figure 2-4.

High-voltage (parallel) programming.

STK500

VTARGET

Mounted

AREF

Open

RESET

Open

XTAL1

Mounted

OSCSEL

Mounted, pin 1 and 2

BSEL2

Open

PJUMP

Open