Using the STK520 Top Module

2-5

STK520 User Guide

7510A–AVR–08/05

Figure 2-2. Pin1 on ZIF Socket

Caution: Do not mount an AT90PWM3 on the STK520 at the same time as an AVR is

mounted on the STK500 board or at the same time as an AT90PWM2 is mounted on the

STK520 board. None of the devices might work as intended.

2.1.2

Placing an

AT90PWM2 on the

STK520

The STK520 contains both a ZIF socket for a SO24 package. Care should be taken so

that the device is mounted with the correct orientation. Figure 2-2 shows the location of

pin1 for the ZIF socket.

Figure 2-3. Pin1 on ZIF Socket

PIN1

PIN1