Atmel AT90USB162, User Manual

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embeddedglow.com DBAT90USB162 Enhanced
Development Board User’s Manual
2.2.13. Extension header (P21)
Provides connection to other devices and circuitry allowing access to all MCU I/O
pins, power supply, and most other signals. Fits any 100mil/2.54mm linear
connector, thus providing connectivity with virtually any 100mil/2.54mm universal or
breadboard.
Example 1: Use male/female headers and connect universal board like UB100288
or any third-party universal or breadboard.
Example 2: Use a 100 mil / 2.54 mm terminal header to connect wires directly.
Example 3: Use a 100 mil SIP socket to connect single parts like sensors directly.
EXT header pinout:
1

VCC
2

LED1
3

BUT1
4

PB0
5

PB1
6

PB2
7

PB3
8

PB4
9

PB5
10

PB6
11

PB7
12

PD0
13

PD1
14

PD2
15

PD3
16

PD4
17

PD5
18

PD6
19

PD7
20

PC0
21

PC2
22

PC4
23

PC5
24

PC6
25

PC7
26

EXTCLK
27

RSTDW
28

GND