STK500 Datasheet, PDF (13/61 Pages) ATMEL Corporation – AVR Studio® Compatible

Hardware Description
3.3
Connection of
Figure 3-4. Connection of LEDs and Switches to I/O Port Headers
LEDs and
Switches
Any I/O port of the AVR can be connected to the LEDs and switches using the 10-wire
cables. The headers are supplied with VTG (target V_CC) and GND lines in addition to the
signal lines.
3.4
Port Connectors The pinout for the I/O port headers is explained in Figure 3-5. The square marking indi-
cates pin 1.
Figure 3-5. General Pinout of I/O Port Headers
12
Px0
Px1
Px2
Px3
Px4
Px5
Px6
Px7
GND
VTG
PORTx
The PORTE/AUX header has some special signals and functions in addition to the
PORTE pins. The pinout of this header is shown in Figure 3-6.
AVR STK500 User Guide
3-3
1925C–AVR–3/03