Cypress CY3652 Bedienungsanleitung

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4/29/98 Ver 2.1

Cypress Semiconductor Corp. ✦3901 North First Street, San Jose, CA 95134 ✦Tel: (408) 943-6848 ✦Internet: http://www.cypress.com

CY3652 USB Development Kit

PLEASE READ MEFIRST

Installation Reference

For installation and operating instructions for the USB

Development board hardware and software see the fol-

lowing documentation:

1. To install and operate the USB Monitor/Debug soft-

ware see the USB Development System Software

Guide.

2. To install and operate the CYASM assembler see

the CYASM Assembler User’s Guide.

3. To connect, conﬁgure and operate the Development

Board see the CY3652 USB Development System

User’s Guide.

Kit Contents

• USB development board (in an anti-static bag).

• Wall transformer power supply

• USB cable

• RS-232 serial cable

• RS-232 9-pin to 25-pin adapter

• USB Monitor/Debug Software (3 disks)

• CYASM Assembler software and example applica-

tion software (1 disk)

• CYASM Assembler User’s Guide

• USB Development System Software Guide

• USB Development System User’s Guide

• Quick Start User’s Guide (this document)

• Registration Card

System Requirements

In order to operate the USB Development Board you

must have a PC with the following components:

• 3.5 inch diskette drive

• Serial port

• USB ports

• Windows95™ OSR2.1 or later operating system

The Selftest (EPROM) program

The included EPROM program is meant to test the func-

tionality of the development board and USB host com-

puter. This program is referred to as “selftest” because it

should run without any intervention when the develop-

ment board USB cable is plugged into the host com-

puter. This program enumerates as a USB mouse and

moves the cursor to write out “USB” on the screen.

Procedure to run Selftest

1. The USB Host needs to be running Windows98™

Beta 3. It has been tested with build number

4.10.1650.

2. Install the Windows 98 Beta 3 CD on the CD drive

so that USB drivers can be loaded.

3. Turn the mouse pointer trails on and set the “pointer

speed” to the midpoint setting between “fast” and

“slow”, otherwise the “USB” will wander across

the screen. Set the pointer trail length to the longest

possible conﬁguration. These features are accessi-

ble through the “mouse” applet in the Windows

control panel.

4. The switches on the USB development board

should have the following settings:

Note: S1-3 open enables the USB Bus Reset.

5. Apply power to the USB development board, the

green LED indicates power on.

6. Plug the USB cable into the host and then plug the

other end into the development board.

7. When the cable is plugged into the development

board an hourglass hold appears momentarily, fol-

lowed by a window that displays “NEW HARD-

WARE FOUND”. The window will then disappear,

and the mouse cursor should move in a pattern to

spell out “USB” on the screen.

If the Selftest program fails to run…

1. Check the settings of switches shown above.

2. Check the cables.

8 7 6 5 4 3 2 1

open

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4/29/98 Ver 2.1

Cypress Semiconductor Corp. ✦3901 North First Street, San Jose, CA 95134 ✦Tel: (408) 943-6848 ✦Internet: http://www.cypress.com

Considerations

The following are known considerations and errata:

1. The HAPI interface does not always work under all

conditions.

2. Babble cut-off does not always work under all con-

ditions.

3. A new connection on a downstream port may fail to

be detected. This appears to be very rare occur-

rence.

4. Port 1 may fail to enumerate. We have only seen

this problem on a Toshiba PC running OSR2.1 usb-

hub.sys 4.03.1214. The problem does not appear in

later versions such as 4.10.1056 or in

Windows98™.

5. Setting a breakpoint at address 0 may not work, or

may operate erratically.

6. If the “Page Down” is used in the Debug Monitor

prior to using the right hand scroll bar the list ﬁle

will scroll but then remain stuck and neither the

scroll bar nor the Page Up/Down keys will work. To

avoid this problem do not use the PgDn key until

the scroll bar has be used at least once.

7. The WRITE ALL buttons in the Debug Monitor are

broken. The user speciﬁed data value is ignored.

The data written to the development board is the

current contents of the selected region of the data

displayed in the window.

8. The communications between the Development

Board and the Debug Monitor may hang. Click on

the “Initialize Comm Port” from the Communica-

tions Menu to restart communications.

9. Moving windows (e.g. status window) during

download of a ROM ﬁle can cause the download to

fail.

10. If the size of the ROM ﬁle is greater than physical

ROM no warning is issued.

11. User code that writes to the Status_Control register

at I/O location FFh should leave the state of bits 1

and zero in the state shown in the following table:

Bits positions 1 and 0 are used by the debug moni-

tor to control single stepping and running (respec-

tively). When debugging user code any writes to the

Status_Control register cause the Single Step bit to

be reset. The effect is that execution does not termi-

nate after one instruction but continues as if the

“Run” button had been depressed.

The work-around for this bug is to set a breakpoint

on the following instruction whenever one encoun-

ters an instruction that writes to the Status_Control

12. The Debug Monitor uses bits 0 and 1 of the

Status_Control register (as noted above). A side-

effect of Single Stepping, Running, Breaking and

Breakpoints is that bits 7–2 of the Status_Control

13. The development board only implements four of the

seven downstream USB ports.

Differences between the development board

and silicon

The development board is lacking some of the features

that are present on the integrated circuit. Three notable

differences are:

1. Only four of the downstream ports are implemented

2. The development board lacks the programmable

driver modes on GPIO pins

3. The DAC port operates like a GPIO port where the

output sink current is ﬁxed.

The USB Development System User’s Guide has more

on the differences between the board and silicon.

76543210

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