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AT89STK-06

AT89STK-06 Demo Board Hardware User Guide

Atmel Corporation 

Hardware Description

2.4.2 CAN

The microcontroller is a microcontroller with an on-chip full-CAN controller.

The AT89STK-06 board is supplied with an Atmel CAN transceiver (ATA6660). A

female DB9 connector assumes the CAN bus connections.

Figure 2-7 . CAN DB9 Connections

CAN DB9 front view

12345

6789

pin 2

pin 7

pin 3

pin 6

pin 5

CAN-L

CAN-H

Gnd

Gnd

CAN-SHLD

(Can be set to Gnd)

If a network termination is needed, JP3 switch inserts a 120Ω resistor between CAN-H

and CAN-L.

A red LED indicates a TxCAN traffic, a green one indicates a RxCAN traffic.

Figure 2-8 . CAN LEDs

2.4.3 SPI

Red Rx LED

Can Res Jumper

(Here Open)

Green Tx LED

The AT89C51CC03 in PLCC52 is a microcontroller with an on-chip full duplex SPI

interface, master or slave.

A 6-pin male connector assumes the SPI bus connections. The SPI 6-pin connector also

provides to the user Vcc and Gnd.

Figure 2-9 . SPI 6-pin Connections

SPI Connector front view

123456

pin 1

pin 2

pin 3

pin 4

pin 5

pin 6

Vcc

SS

MISO

SCK

MOSI

Gnd

2-6

4339C–CAN–07/05

AT89STK-06 Demo Board Software Demo Guide

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