Cypress CY7C63001 User manual

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Cypress CY3640
USB Starter Kit
User’s Guide
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Cypress CY3640 USB Starter Kit
User’s Guide
Cypress Semiconductor Ver 0.993
Page 2
A. Contents of the CY3640 USB Starter Kit...........................................................................4
B. Getting started...................................................................................................................5
1. Insert the Cypress USB CD-ROM .................................................................................5
2. Run SETUP.EXE from the CD-ROM.............................................................................5
3. Plug the A-end (flat connector) of the USB cable into the USB port of your PC..............5
4. Plug the B-end (square connector) of the USB cable into the B-receptacle of the CY3640
USB Starter Kit ....................................................................................................................5
5. Insert the Cypress USB CD-ROM (if prompted to do so) ...............................................5
6. Run the Cypress USB Thermometer application............................................................5
C. Uninstalling the Cypress USB Thermometer application ................................................6
D. The Cypress USB Thermometer Application Options......................................................7
Changing the display style from conventional thermometer display to a history of temperature
............................................................................................................................................7
Changing the maximum and minimum temperature value displayed.....................................8
Changing the user’s name ...................................................................................................8
Changing the display mode from Centigrade to Fahrenheit...................................................8
Changing the time between temperature sample periods......................................................8
Simulating temperature measurements................................................................................8
Testing to see if a Cypress USB Thermometer device is present..........................................9
Changing the brightness of the Enumerated LED on the Cypress USB Thermometer device 9
Saving the current configuration of the Thermometer application..........................................9
E. About the Cypress CY3640 USB Starter Kit ...................................................................10
Overview ...........................................................................................................................10
Features............................................................................................................................10
Other items of interest........................................................................................................12
F. Changing the functionality of the Cypress CY3640 USB Starter Kit .............................13
Changing the program in your device.................................................................................13
You can write your own code for your Cypress USB Controller...........................................13
Assembling the code for your device..................................................................................13
Programming your device ..................................................................................................13
Adding your own logic........................................................................................................14
G. Cypress CY3640 USB Starter Kit Schematic ..................................................................15
Bill of Materials ..................................................................................................................15
H. Cypress USB Controller micro code (Assembly) ...........................................................18
USB.ASM..........................................................................................................................18
CY6300X.INC ....................................................................................................................37
DALLAS.ASM....................................................................................................................41
DALLAS.INC......................................................................................................................47
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Cypress CY3640 USB Starter Kit
User’s Guide
Cypress Semiconductor Ver 0.993
Page 3
I. Thermometer driver reference......................................................................................... 48
J. References and Links......................................................................................................49
Obtaining the latest version of the USB specification..........................................................49
Obtaining the latest assembly code for the Cypress USB Thermometer .............................49
Obtaining the latest Cypress USB Thermometer driver.......................................................49
Obtaining the latest Cypress USB Thermometer application...............................................49
K. Q&A, Errata and Gotchas................................................................................................ 50
•How can I tell if my system supports the USB..............................................................50
System Properties..............................................................................................................50
•Problem with system stability when a crystal is used with the Cypress CY7C63X0X
family of USB controllers....................................................................................................51
•Memphis (Windows98 Beta X) is still a beta program..................................................52
•Windows may ask for a USB device driver even if you have previously loaded it .........52
•Hot Unplug problem with Windows98 (Memphis) Beta 2..............................................52
•Device Manager Refresh unloads USB thermometer driver.........................................52
•A cold system boot will not automatically load the USB thermometer driver.................52
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Cypress CY3640 USB Starter Kit
User’s Guide
Cypress Semiconductor Ver 0.993
Page 4
A. Contents of the CY3640 USB Starter Kit
1. Three CY7C63001 Cypress USB Controller devices (One pre-programmed windowed
controller on the CY3640 USB Thermometer Demo board, and two spare devices (one
windowed and one OTP)
2. One Cypress USB Programmer from HI-LO Systems with a wall power adapter, a serial cable
and programming software on a floppy disk
3. One CY3640 USB Starter Kit printed circuit board
4. One low-speed unshielded USB "A to B" Cable
5. One Cypress USB Starter Kit CD-ROM:
Software:
CYASM: Cypress USB controller assembler
USB Thermometer device assembly source code
USB Thermometer Windows application program executable code
USB Thermometer device driver
Documentation:
Cypress USB controller family datasheets
USB Thermometer User's Guide and Application Note: Designing a USB
Thermometer with the CY7C63001 USB Controller
USB Thermometer PC board layout and schematics
USB Specification v1.0
Cypress CYASM assembler manual
Cypress USB-related application notes
Cypress databook
6. Printed documentation:
USB Starter Kit User's Guide
USB Starter Kit Application Note
Registration card – Please fill it out and drop it in the mail
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Cypress CY3640 USB Starter Kit
User’s Guide
Cypress Semiconductor Ver 0.993
Page 5
B. Getting started
Starting to use your Cypress USB thermometer is easy. Just follow these simple steps:
1. Insert the Cypress USB CD-ROM
The Cypress CD-ROM contains the Cypress USB Thermometer application and driver files
you will need. Place it in the CD-ROM drive you use to install your software.
2. Run SETUP.EXE from the CD-ROM
This will install the Cypress USB Thermometer Windows application.
The Cypress USB Thermometer application is the user interface program which displays the
temperature measurement received from the Cypress USB Thermometer device on the USB
Starter Kit PC board.
The SETUP.EXE is located in the root directory of the Starter Kit CD-ROM. After you have
run SETUP.EXE, the Cypress USB Thermometer Windows application will be properly
installed in the default directory C:\Program Files\Thermometer or a directory selected by
you.
The setup program also installs an entry in the Programs section of your Start menu.
The Cypress USB Thermometer application may be uninstalled by selecting it in the
“Add/Remove Programs” section of the “Control Panel.”
3. Plug the A-end (flat connector) of the USB cable into the USB port of your PC
4. Plug the B-end (square connector) of the USB cable into the B-receptacle of the
CY3640 USB Starter Kit
The computer will notify you that it has found new hardware and is looking for a driver. If it
does not find a driver, it will then ask you to supply a driver.
5. Insert the Cypress USB CD-ROM (if prompted to do so)
If your computer prompts you to supply a driver, make sure that your Cypress USB CD-ROM
is inserted into your computer’s CD-ROM drive.
Your computer will now automatically install the Cypress USB driver from the CD-ROM.
6. Run the Cypress USB Thermometer application
When you want to run the Cypress USB Thermometer application, use the “Programs” menu
and select the Cypress USB Thermometer entry. The computer will display a graph showing
the temperature reading over time. Use the options described in the following sections to
control various aspects of the USB thermometer.
NOTE: if you cannot get the thermometer to work, you may not be using the correct operating
system. See
section K
for more details.
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Cypress CY3640 USB Starter Kit
User’s Guide
Cypress Semiconductor Ver 0.993
Page 6
C. Uninstalling the Cypress USB Thermometer application
If you want to remove the Cypress USB Thermometer application from your system, it may be
uninstalled by selecting Cypress USB Thermometer in the “Add/Remove Programs” section of the
“Control Panel.”
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Cypress CY3640 USB Starter Kit
User’s Guide
Cypress Semiconductor Ver 0.993
Page 7
D. The Cypress USB Thermometer Application Options
Changing the display style from conventional thermometer display to a history of
temperature
The Thermometer application will display either the current temperature using a conventional
thermometer symbol or a history of the temperature recorded during the last 64 sample periods
(See
Figure C1
).
Figure C1
To change the display style, click on the “Options” box in either the conventional thermometer
display or the temperature history display. Checking the “Show Time Line” box will select the
temperature history display. “Unchecking” the “Show Time Line” box will select the conventional
thermometer display. Click on the “OK” box to complete your selection. (see
Figure C2
).
Conventional
Thermometer Display Temperature History Display
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Cypress CY3640 USB Starter Kit
User’s Guide
Cypress Semiconductor Ver 0.993
Page 8
Figure C2
Changing the maximum and minimum temperature value displayed
The Thermometer application can display temperatures between 0ºC and 70ºC. (32ºF and 158ºF)
The user may set the temperature range display on the Options screen by entering the desired
value in the appropriate “Temperature Limits” text box.
Changing the user’s name
The user may change the heading, which appears at the top of the temperature display.
This is done on the Options screen by changing the text in the “User’s Name” text box.
Changing the display mode from Centigrade to Fahrenheit
The Thermometer application can display temperature in either Centigrade or Fahrenheit.
The display mode is selected in the Options screen by selecting either the Fahrenheit or the
Centigrade radio buttons box.
Changing the time between temperature sample periods
The Thermometer application can sample the temperature at a variable rate determined by the
user.
The user sets the sample rate on the Options screen by selecting the appropriate options in the
“Sample Interval” area. Sample intervals may be chosen between one per second to one every
30 hours.
Simulating temperature measurements
The Temperature display program allows you to simulate temperature readings instead of
actually measuring them.
You can select this by clicking on the “USB Options” box. The “USB Options” screen will be
displayed. (See
Figure C3
)
Checking the “Simulate Temperature” box will cause the thermometer to enter a test mode in
which a series of random temperature readings will be displayed.
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Cypress CY3640 USB Starter Kit
User’s Guide
Cypress Semiconductor Ver 0.993
Page 9
Figure C3
Testing to see if a Cypress USB Thermometer device is present
If your Cypress USB Thermometer device is plugged in to the USB and you cannot get
temperature measurements, you may try to connect to it by clicking the “Check For Device”
button on the USB Options screen (See
Figure C3
). This screen is available by clicking the “USB
Options” button on the Options screen.
The text above the button will indicate whether the Thermometer application is connected to the
Cypress USB Thermometer device through the device driver. If it is, the “Check For Device”
button will be disabled.
Changing the brightness of the Enumerated LED on the Cypress USB Thermometer device
The brightness of the Enumeration LED on the Cypress USB Thermometer PC board may be set
to one of sixteen levels.
The user can set the brightness level desired on the “USB Options” screen by changing the value
of the “LED Brightness” box (See
Figure C3
). This screen is available by clicking the “USB
Options” button on the Options screen.
The values may be set from zero to fifteen, with zero being the lowest setting.
Saving the current configuration of the Thermometer application
The user can choose to automatically save the current configuration of the Thermometer
application when they exit the program by checking the “Remember Settings” box. The
parameters saved include:
•Location on the desktop where the application screen will reside
•User Name text
•Centigrade or Fahrenheit mode
•Temperature history or conventional thermometer display selection
•Maximum and Minimum displayed temperature
•Temperature sample rate
•Simulate temperature selection status
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