Hardware Description
AVR STK500 User Guide
3-15
1925C–AVR–3/03
3.8
Jumper Settings
A master microcontroller and the eight jumpers control the hardware settings of the
starter kit. During normal operation these jumpers should be mounted in the default
position. To configure the starter kit for advanced use, the jumpers can be removed or
set to new positions. The jumper settings and usage are explained in the following sec-
tion. The default setting of the jumpers are shown in Figure 3-20.
Figure 3-20.
Default Jumper Setting
Table 3-4.
Description of Jumpers
Jumper
Description of Default Setting
VTARGET
On-board VTARGET supply connected
AREF
On-board Analog Voltage Reference connected
RESET
On-board Reset System connected
XTAL1
On-board Clock System connected
OSCSEL
On-board Oscillator selected
BSEL2
Unmounted. Used for High-voltage Programming of ATmega8,
ATmega16, ATmega161, ATmega163, ATmega128, and ATmega323
PJUMP
Unmounted. Used for High-voltage Programming of AT90S2333,
AT90S4433, and ATmega8
VTARGET
AREF
RESET
XTAL1
OSCSEL
BSEL2
PJUMP
Summary of Contents for AVR STK500
Page 1: ...STK500 User Guide ...
Page 2: ......
Page 38: ...Hardware Description 3 28 AVR STK500 User Guide 1925C AVR 3 03 ...
Page 40: ...Installing AVR Studio 4 2 AVR STK500 User Guide 1925C AVR 3 03 ...
Page 52: ...In System Programming of an External Target System 6 2 AVR STK500 User Guide 1925C AVR 3 03 ...
Page 56: ...Technical Support 8 2 AVR STK500 User Guide 1925C AVR 3 03 ...
Page 60: ...Appendix A 10 2 AVR STK500 User Guide 1925C AVR 3 03 ...
