ZiLOG Z183 EMAC Manual de usuario

ZILOG WORLDWIDE HEADQUARTERS •910E.HAMILTON AVENUE •CAMPBELL, CA 95008 USA

PHONE: 1.408.558.8500 • FAX: 1.408.558.8300 • WWW.ZILOG.COM

User Manual, Revision 1

UM008301-0401

10 Base-T Ethernet Media

Access Controller Add-On

Board for the Z183

Evaluation Platform

UM008301-0401

Z183 EMAC Board

User Manual

This publication is subject to replacement by a later edition. To determine whether a later

edition exists, or to request copies of publications, contact:

ZiLOG Worldwide Headquarters

910 E. Hamilton Avenue

Campbell, CA 95008 USA

Telephone: 1.408.558.8500

Fax: 1.408.558.8300

www.ZiLOG.com

Document Disclaimer

applications, or technology described is intended to suggest possible uses and may be superseded. ZiLOG,

INC. DOES NOT ASSUME LIABILITY FOR OR PROVIDE A REPRESENTATION OF ACCURACY OF

THE INFORMATION, DEVICES, OR TECHNOLOGY DESCRIBED IN THIS DOCUMENT. ZiLOG

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rights.

Z183 EMAC Board

User Manual

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UM008301-0401

Table of Contents

Introduction ...................................................1

KitContents ...................................................1

ConfiguringtheZ183EvaluationBoard..............................1

InstallingtheEMACBoard........................................5

InterruptCabling.............................................6

InterruptSelection ...........................................7

AddressJumpers ............................................7

SoftwareDevelopment...........................................7

CS8900AAddressMap .......................................7

DeviceDriverandApplicationInterfaceRoutines ...................8

TransmitandReceiveBufferStructure ..........................12

Z183 EMAC Board

User Manual

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Z183 EMAC Board

User Manual

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Introduction

The Z183 Ethernet Media Access Controller (EMAC) board is a compact

9 x 8cm printed circuit board assembly that is designed to be used with the

Z183 evaluation board. It has an RJ-45 jack that allows you to connect to a

standard 10 Base-T hub for testing purposes.

Kit Contents

The Z183 EMAC kit contains the following items. If you did not receive one of

these items, contact your local sales office.

• One EMAC board labeled

10 Base-T interface

•Interrupt wiring cable assembly

•Z183 EMAC Board User Manual

Configuring the Z183 Evaluation Board

ToconfiguretheZ183boardtobeusedwiththeEMACboard,followthese

steps:

1. Power up the Z183 board by connecting the external 9V power supply.

2. Use the serial cable to connect the DB9 serial connector on the Z183 board

to the serial port of your PC.

3. Open the Hyperterminal application on your PC and the Connection

Description window appears.

Note: If you have a DB25 connector on your PC, you must purchase a DB25-DB9 adapter.

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User Manual

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4. Select a name for your connection and click OK.

5. When the Connect To window appears, click Cancel.

Z183 EMAC Board

User Manual

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6. In the Hyperterminal window, pull down the FILE menu and select

PROPERTIES.

7. In the ConnectUsing field, find the port that your serial cable is connected to

and select it.

Z183 EMAC Board

User Manual

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8. Click the Configure button and configure the screen as shown below. Then

click OK to return to the Hyperterminal window.

Z183 EMAC Board

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9. In the Hyperterminal application, pull down the CALL menu and select Call

(Windows 98) or Connect (Windows NT). The Hyperterminal window

displays the following information, which indicates that the Z183 board is

working properly.

10.Press the RESET button on the Z183 board to display the text message in

the window shown above. If the text does not appear, repeat the

configuration process.

Installing the EMAC Board

To install the EMAC board, follow these steps:

1. Unpack the EMAC board and the interrupt cable.

2. Hold the EMAC board so that the components are facing upward.

3. Make sure the Z183 board is turned off.

4. Place the EMAC board’s 50-pin J1 socket header directly over the J22 pin

header of the Z183 board. The EMAC board has support studs that allow it

to rest on the desk surface.

5. Press the EMAC board down firmly onto the Z183 board. You may need to

bend the connectors of the red power LED to get the connectors to mate

properly.

6. Use a jumper cable to connect JP3 on the EMAC board to INT1 on the Z183

board. The interrupt cable has a 6-pin socket header that should be plugged

into JP3 on the EMAC board. The other end of the cable is a 10-pin socket

header that must be plugged into J23 on the Z183 board near the RESET

ZiLOG Z80183 Monitor Version 2.8

Z80183

Z183 EMAC Board

User Manual

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switch. Use the white Pin 1 dot on the cable to correctly orient the headers

andthenplugitin.

7. Power up the Z183 board.

8. The red LED on the EMAC board glows if the connectors are working

properly. If the LED is not glowing, turn off the power, unplug the EMAC

board, and return to step 2.

9. The EMAC board’s LINK, LAN and BSTATUS LEDs should not be glowing.

If they are glowing, check the connectors that join the two boards.

10. Use a straight-through 10 Base-T UTP cable to connect the CON1 RJ-45

jack to a port on your 10 Base-T hub.

11. Using the Debug Monitor, send an I command to Input I/O byte at 2000h.

When the I/O port 2000h is read, the Ethernet MAC chip on the EMAC

board comes out of hardware reset condition.

12. When the LINK LED glows, the EMAC controller chip (a Cirrus Logic

CS8900A) is detecting link pulses from the hub and the interface is ready. If

the LED is not glowing, make sure your hub is powered up. If you power up

the hub and LINK LED is still not glowing, repeat the installation process.

13.Use the device driver routines in the Software Development section to

integrate your software applications.

Interrupt Cabling

The EMAC board can be used with interrupts if the interrupt cable has been

properly connected.

INT2

INT1

INT0

J23

JP3

Jumper Wire Supplied with

Every 10-Base-T Board

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