STMicroelectronics
ST7-EPB
Programming board
UM0028
User manual
Rev 4
June 2006
www.st.com
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June 2006 UM0028 Rev 4 3/15
UM0028
User manual
ST7-EPB
Programming board
Introduction
Thanks for choosing ST7! This manual will help you setup and start using your ST7-EPB programming
board.
ST7-EPB programming boards allow you to program ST7 microcontrollers that have EPROM, EEPROM
and FLASH memories. Your programming board links, via parallel port, to a host PC running ST7 Visual
Programmer (STVP7) software. This software interface allows you to customize and control the
programming of an application to your ST7.
The layout of your programming board varies depending on the type of EPB you have ordered, as each
programming board is designed to program a different sub-family of ST7 MCUs.
Some programming boards also support either In-Circuit Programming (ICP), or In Situ Programming
(ISP) of your ST7 while it is mounted on your application board.
Note: A complete listing of the ST7 family of programming tools, including the devices and
programming modes that they support is provided in ST7 Visual Programmer (STVP7°
Release Notes.
Figure 1. Programming board with ICC cable
Parallel port
(P1 connector)
ICC cable
Programmin
g
sockets
ICC connector
(10-pin, HE-10 connector)
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Introduction ST7-EPB
4/15 UM0028 Rev 4
About the user manuals...
This manual will help you setup your ST7-EPB programming board and connect it to your PC. Here, you
will find:
■Setup instructions
■Information about in-circuit programming connections
For information about the hardware and software intended for use with your programming board, refer to
the following documents that are included with it:
■
ST7 Visual Programmer online help
- program your MCU
■
ST7 Programming Board Descriptions
- a complete list of programming boards, including the
devices and programming modes they support
■
In-Circuit Programming Considerations
- information about setting up your application board for in-
circuit programming
■
ST7xxxx Datasheet
- programming information that is specific to your MCU
Host PC system requirements
Both the hardware and software that you will use to program your ST7 have been designed to operate
with:
■Microsoft® Windows® 2000 or XP®.
■Intel® Pentium (or compatible) processor with minimum speed of 133 MHz.
■Minimum RAM of 32 MB (64 MB recommended).
■60 MB of free hard disk space to install all of the ST7 tools.
Note: Windows
®
2000 and XP
®
users must have administrator privileges to install STVP7.
Getting assistance
For more information, application notes, FAQs and software updates relevant to all the ST microcontroller
families, check out the CD-ROM or our website:
www.st.com/mcu
For assistance on all ST microcontroller subjects, or for help using your programming board, refer to the
contact list provided in
Product Support
on page 14. We’ll be glad to help you.
ST7-EPB
UM0028 Rev 4 5/15
Contents
1 Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.1 Delivery Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.2 Setting up your ST7-EPB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.3 Using the programming sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.4 Using an in-circuit programming connection . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.5 Additional information about programming in ISP mode . . . . . . . . . . . . . . . . 10
2 Hardware Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.1 Parallel port connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
2.2 About jumpers on the ST7 EPB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Appendix A Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Appendix B Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Appendix C Product Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1 Getting Started ST7-EPB
6/15 UM0028 Rev 4
1 Getting Started
Your ST7-EPB programming board is equipped with the sockets you will need to program a
sub-family of ST7 MCUs. In addition, some programming boards also support connections
for In-Circuit Programming (ICP) or In Situ Programming (ISP).
To help you get started programming with your EPB, the following sections provide:
●
Section 1.1
– a checklist of components delivered with your ST7-EPB
●
Section 1.2
– instructions for setting up your programming board
●
Section 1.3
– instructions on the use of programming sockets
●
Section 1.4
– instructions on setting up a connection for in-circuit programming
●
Section 1.5
– additional notes about in situ programming
1.1 Delivery Checklist
The following items are delivered with your programming board (see
Figure 2
):
1. One ST7MDTxx-EPB programing board.
2. One power supply
3. One parallel cable
Optional
4. One 10-pin, HE-10 type ribbon cable with programming boards that support ICP or ISP
Figure 2. Parts delivered with ST7-EPBs (not to scale)
1
23
ST7-EPBs come in several types, which support the programming of different families of ST7 and
package types. The sockets and connectors on your programming board will vary depending on the
type of ST7-EPB you have ordered, and may not correspond exactly to the version shown here.
ST7-EPB 1 Getting Started
UM0028 Rev 4 7/15
1.2 Setting up your ST7-EPB
To setup your ST7-EPB programming board:
1. Shut down and power-off the host PC.
2. Connect one end of the supplied parallel cable to the EPB’s P1 connector and the
other end to one of the host PC’s parallel ports (LPT1 or LPT2).
Note: Be sure to use the parallel cable provided with your kit — using a longer parallel cable may
cause malfunctions.
Connect the cable directly between the host PC and the programming board — inserting
additional cables or switch boxes between the host PC and the programming board may
cause malfunctions.
If a dongle (a hardware key required by some software packages) is already connected to
the PC’s parallel port, it should not interfere with the programming board. However, if a
malfunction of the board occurs, please remove the dongle and reconnect your EPB.
1. Connect the power supply to the programming board. Ensure that the power supply is
adapted to the mains voltage and outlet type used in your country.
Note: The board can be supplied from the integrated power supply provided with the board, or
from an external +15 VDC / 0.5 A power supply.
2. Power on the host PC.
1.3 Using the programming sockets
All ST7-EPBs come with one or more sockets for programming. The sockets that are
available to you for programming will vary depending on the packages for the ST7 sub-
family that your programming board supports.
Regardless of the type of socket, when installing an ST7 for programming you must ensure
that pin 1 of the ST7 corresponds with pin 1 of the socket.
To install your ST7:
1. Set up the EPB as described in
Section 1.2
on page 7.
2. Identify the socket for your device package on the programming board.
3. Open the socket, or lift the lever (for ZIF sockets) and place the device into the socket
with pin 1 matching the pin 1 indicator on the programming board.
Caution: Take care when placing the device into a socket so as not to damage the device or the
board. Forcing the MCU into the socket may result in damage to the socket.
Optional
4
Figure 2. Parts delivered with ST7-EPBs (not to scale)
1 Getting Started ST7-EPB
8/15 UM0028 Rev 4
4. Lock the device in place by lowering the lever again.
Use
ST7 Visual Programmer
to program your device. For more detailed information about
its use, refer to the software’s online help.
1.4 Using an in-circuit programming connection
Some ST7-EPB programmers allow in-circuit programming (ICP) of supported ST7 Flash
microcontrollers, thanks to the In-Circuit Communication (ICC) protocol developed for ST7.
Figure 3. Installing MCU in a ZIF socket
Pin 1 indicator
Pin 1 indicator
Pin
This section provides information to help you setup your application
board for in-circuit programming of your ST7.
To take advantage of ICP you must have an ICC connector (10-pin
HE-10 type) installed on your application board allowing you to
connect it to your programming board with the provided ICC cable
(10-pin ribbon cable). This connection is illustrated in
Figure 4
.
HE
-
10
t
ype connec
t
or
Figure 4. In-Circuit Communication interface
ST7-EPB 1 Getting Started
UM0028 Rev 4 9/15
Note: When using the ST7MDTS1-EPB, the VDD_APPLI is not connected to the ST7. When
setting up your application for in-circuit programming, refer to the ICP Interface diagram in
the In-CIrcuit Programming section of the ST7SCR Datasheet, instead of the diagram
provided above.
Using the ICC protocol for in-circuit programming requires that a minimum of 4 and as many
as 6 pins of your ST7 be connected to your programming board (see
Tab le 1
). Additional
notes about these connections are provided in this section.
Note: For specific ICC connection requirements for microcontroller introduced after the publication
of this document, please refer to the microcontroller datasheet.
Isolation of ICCDATA and ICCCLK pins
From the moment that your ST7-EPB is plugged into the application board, the ICCDATA
and ICCCLK pins must not be used by other application devices, even when you are not
programming the ST7. If the application uses these pins as inputs, isolation such as a serial
resistor must be implemented to prevent other application devices from forcing a signal on
either of these pins. The application board must not drive current in excess of 1mA.
If the ICCDATA and ICCCLK pins are only used as outputs by the application, no signal
isolation is necessary.
For ST7 without an ICCSEL pin, during normal operation the ICCCLK pin must be pulled-up
internally or externally (10KΩ pull-up required in noisy environments). This is to avoid
entering ICC mode unintentionally during a reset.
Isolation of the RESET pin
During an ICC session, your ST7-EPB must control the ST7’s RESET pin. No external reset
can be generated by the application. This can lead to a conflict if the application reset
circuitry signal exceeds 5mA (push-pull output or pull-up resistor <1k). To avoid such
conflicts, a Shottky diode can be used to isolate the application reset circuit.
ICCSEL/VPP pin
The application pull-down resistor must not be lower than 10kΩ.
Table 1. ICC connection requirements
ST7 pin Connects to...
ICCDATA ICC input serial data pin ICCDATA
ICCCLK ICC output serial clock pin ICCCLK
RESET Device reset ICCRESET
ICCSEL/VPP Programming voltage ICCSEL/VPP
OSC1 or OSCIN #Main clock input for external ICCOSC
VDD Device power supply VDD_APPLI
VSS Device power supply (ground) GND
# Optional connection for ST7MDTxx-EPB, see text.
1 Getting Started ST7-EPB
10/15 UM0028 Rev 4
ICCOSC pin #
The ICCOSC pin of the ICC connector must be connected to the ST7’s OSC1 or OSCIN pin
if the clock is not provided by the application, or if the application clock source is not
programmed in the option byte. This connection allows you to start your ICP session using
the ICP OPT Disable programming mode. In this mode, your ST7-EPB provides a clock
source to initiate communication with the ST7 at a frequency of 16MHz.
For ST7 devices with multi-oscillator capability, when the ICCOSC pin is connected, the
OSC2 pin should be grounded.
Caution: For all versions of the following EPBs, the ICCOSC pin must not be connect to the device’s
OSCIN pin:
If your application provides a clock signal and you are certain that it is programmed in the
ST7’s option byte, you can start your ICP session using the ICP OPT Enable programming
mode. In this mode, your application clock source provides the clock signal for initiating
communication with your ST7 and ICCOSC is not connected to your ST7.
Your ST7-EPB programming board provides a clock signal when using both the ICP OPT
Disable and ICP OPT Enable programming modes. If you start your ICP session using ICP
OPT Enable, the clock signal provided by the programmer may conflict with the application
clock and can cause a communication failure with your ST7. To avoid this we recommend
installing a jumper on the connection between ICCOSC and the ST7. This jumper is
removed when starting in the ICP OPT Enable programming mode. If the user requires a
clock signal from the programming board in order to start in the ICP OPT Disable mode, the
jumper is left in place.
VDD_APPLI pin
This pin is used by the programming tool’s power supply follower, which adapts the voltage
of the tool’s signals to your application’s VDD.
The VDD_APPLI pin must be connected when using any ST7MDTxx-EPB programmer with
ICP capability,
except
the ST7MDTS1-EPB.
1.5 Additional information about programming in ISP mode
Before programming the OSCx option bits, make sure you have chosen the right options
configuration.The OSCx option bits are very important. If you program the wrong OSCx
option bits, depending on your hardware configuration, you may not be able to reprogram
the device in ISP mode.
• ST7MDTU2-EPB
• ST7MDTU3-EPB
• ST7MDTU5-EPB
ST7-EPB 2 Hardware Features
UM0028 Rev 4 11/15
2 Hardware Features
2.1 Parallel port connection
The ST7 EPB communicates with your host PC (running STVP7) via a parallel port
connection.
Most communication failures between the host PC running STVP7 and your programming
board stem from problems in the parallel port connection.
To prevent communication problems, when setting up your parallel port connection:
●Configure your PC’s parallel port suing either the Centronics, EPP, ECP, or bidirectional
parallel port configuration.
●Use the parallel cable provided with your kit—using a longer parallel cable may cause
malfunctions.
●Connect the cable directly between the host PC and the programming board—the
insertion of additional cables or switch boxes between the host PC and the
programming board may cause malfunctions.
●Remove any parallel port dongles.
2.2 About jumpers on the ST7 EPB
There are two jumpers, labelled JP2 and JP3, located on the following ST7 EPBs:
●ST7MDT1-EPB2
●ST7MDT2-EPB2
●ST7MDT6-EPB2
●ST7MDT7-EPB2
These jumpers are present for manufacturing testing only. Use of these jumpers could
permanently damage the programming board!
Appendix A Revision history ST7-EPB
12/15 UM0028 Rev 4
Appendix A Revision history
Date Revision Changes
November-2000 2 • Transferred to user manual format
• Added new programmers
18-June-2001 3 • Added information about programming in ICP mode
• Removed list of programmers
21-April-2004 3.1
• Transferred software installation and use information to STVP7
on-line help.
• Added Section 2.4 – considerations for setting up an ICP connection.
12-November-2004 3.1.1 • Added revision history.
27-June-2006 4
• Corrected introduction, list of EPBs and supported MCUs now found
in
STVP7 Release Notes
.
• Updated PC requirements
• Added note - for ICC connection information for new microcontrollers
refer to device datasheet.
ST7-EPB Appendix B Safety Requirements
UM0028 Rev 4 13/15
Appendix B Safety Requirements
●Any tester, equipment, or tool used at any production step, or for any manipulation of
semiconductor devices, must have its shield connected to ground.
●The product must be placed on a conductive table top, made of steel or clean
aluminum, or covered by an antistatic surface (superficial resistivity equal to or higher than 0.5
MΩ/cm2), grounded through a ground cable (conductive cable from protected equipment to
ground isolated with a 1 MΩ resistor placed in series). All manipulation of finished goods
goods must be done at such a grounded worktable.
●The worktable must be free of all non-antistatic plastic objects.
●An antistatic floor covering grounded through a conductive ground cable (with serial
resistor between 0.9 and 1.5 MΩ) should be used.
●It is recommended that you wear an antistatic wrist or ankle strap, connected to the
antistatic floor covering or to the grounded equipment.
●If no antistatic wrist or ankle strap is worn, before each manipulation of the powered-on
tool, touch the surface of the grounded worktable.
●It is recommended that antistatic gloves or finger coats be worn.
●It is recommended that nylon clothing be avoided while performing any manipulation of
parts.
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Appendix C Product Support ST7-EPB
14/15 UM0028 Rev 4
Appendix C Product Support
If you experience any problems with this product, or if you need spare parts or repairs,
contact the distributor or the STMicroelectronics sales office where you purchased the
product. Phone numbers for major sales regions are provided in the
Contact List
, below.
In addition, at our Internet site www.st.com/mcu, you will find a complete listing of ST sales
offices and distributors, as well as documentation, software downloads and user discussion
groups to help you answer questions and stay up to date with our latest product
developments.
Software updates
All our latest software and related documentation are available for download from the ST
Internet site, www.st.com/mcu. For information about firmware and hardware revisions,
call your distributor or ST using the
Contact List
provided below.
Contact List
North America
West Coast
STMicroelectronics, Inc.
1060 E. Brokaw Road
San Jose, CA 95131
Phone: (408) 452-8585
Mid West
STMicroelectronics
1300 East Woodfield Road,
Suite 410
Schaumburg, IL 60173
Phone: (847) 585-3000
Canada and East Coast
STMicroelectronics
Lexington Corporate Center
10 Maguire Road, Building 1,
3rd floor
Lexington, MA 02421
Phone: (781) 402-2650
Note: For American and Canadian customers seeking technical support the
US/Canada is split in 3 territories. According to your area, contact the
appropriate sales office from the list above and ask to be transferred to an 8-bit
microcontroller Field Applications Engineer.
Europe
France
Germany
U.K.
+33 (0)1 47 40 75 75
+49 89 46 00 60
+44 162 889 0800
Asia/Pacific Region
Japan
Hong-Kong
Sydney
Taipei
+81 3 3280 4120
+85 2 2861 5700
+61 2 9580 3811
+88 6 2 2378 8088
www.st.com
UM0028 Rev 4 15/15
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