Atmel Evaluation Kit AT91SAM9260-EK AT91SAM9260-EK データシート

製品コード

AT91SAM9260-EK

Configuration

AT91SAM9260-EK Evaluation Board User Guide

4-3

6234C–ATARM–22-Mar-07

4.5

Ethernet

RMII is the factory default mode.

To evaluate the MII mode, the user has to unsolder R49, R50, R127 and close S7 and
S8.

When the RMII mode is used, the user can use the specific MII signals as PIO, but the
following resistors must be unsoldered (R119 to R126).

4.6

Miscellaneous

Refer to the TOP level schematic for the PIO usage.

Table 4-5.

Designation

Default
Setting

Feature

R82

Soldered

USB DEVICE: Enables the use of the USBCNX signal

R72

R73

Soldered

DBGU COM Port: Enables the use of DTXD output
signalEnables the use of DRXD input

RS232 COM Port 0: Enable the use of outputs signal

R94

R95

R96

Soldered

RTS0

TXD0

DTR0

RS232 COM Port 0: Enable the use of inputs signal

R98

R101

R103

R104

R105

R106

Soldered

DCD0

DSR0

RXD0

CTS0

RI0

Enables all MAX3241E outputs buffer

RS232 COM Port 1: Enable the use of outputs signal

R83

R85

Soldered

TXD1

RTS1

RS232 COM Port 1: Enable the use of inputs signal

R86

R88

Soldered

RXD1

CTS1

TP1

N.A

GND Test point

TP2

N.A

GND Test point.

TP3

N.A

GND Test point.

TP4

N.A

GND Test point.

TP5

N.A

Reserved: do not use

TP6

N.A

Reserved: do not use