DOC1925 datasheet(51/61 Pages) ETC1

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AVR STK500 User Guide

6-1

Rev. 1925C–AVR–3/03

Section 6

In-System Programming of an

External Target System

The STK500 can be used as a programmer to program AVR devices in other applica-

tions. There are two different ISP connector pinouts available: a 6-pin and a 10-pin

version. Both are supported by STK500.

Figure 6-1. 6-pin ISP Connector Pinout

Figure 6-2. 10-pin ISP Connector Pinout

Select the device to be programmed in the same way as programming a device on the

STK500. The V

CC of the target application is detected by STK500 and signals are con-

verted into voltage levels suitable for the target system.

Note:

If the other application has its own power supply to VTG, the jumper VTARGET

must be removed before connecting STK500 to the other application. STK500

may be damaged if the VTARGET jumper is not removed.

VTG

MOSI

GND

MISO

SCK

RST

1 2

ISP6PIN

VTG

GND

MOSI

RST

SCK

MISO

1 2

ISP10PIN

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