Renesas Network Card PCA7401 User Guide

PCA7401  
PROM Programming Adapter for M37266EESP/SS, M37270EFSP/SS/ERSS, M37280EKSP/SS/ERSS  
User's Manual  
Rev. 1.00  
July 1, 2003  
REJ10J0185-0100Z  
 
Contents  
Chapter 1. Precautions for Safety ...................................................................................................... 4  
Chapter 2. Introduction...................................................................................................................... 6  
2.1 Things to Check When Unpacking .................................................................................. 6  
Chapter 3. Usage ............................................................................................................................... 7  
3.1 Programming Procedure................................................................................................... 7  
3.2 Attaching the Adapter to a PROM Programmer .............................................................. 8  
3.3 Mounting an MCU into the Adapter ................................................................................ 9  
3.4 Setting the Programming Areas ..................................................................................... 10  
3.5 Recommended PROM Programmers ............................................................................. 10  
Chapter 4. Specifications ................................................................................................................. 11  
4.1 Specifications ................................................................................................................. 11  
4.2 Memory Maps ................................................................................................................ 12  
Chapter 5. Troubleshooting ............................................................................................................. 15  
5.1 Errors That Occur When Writing to PROM .................................................................. 15  
(1) When Newly Purchased ............................................................................................ 15  
(2) Previously Written Normally .................................................................................... 15  
5.2 MCUs Do Not Function Normally................................................................................. 15  
5.3 Other Precautions ........................................................................................................... 16  
(1) About the Recommended PROM Programmers....................................................... 16  
(2) About Reading Out of Device Identification Code .................................................. 16  
5.4 How to Request for Support........................................................................................... 16  
( 3 / 18 )  
 
Chapter 1. Precautions for Safety  
In both the user's manual and on the product itself, several icons are used to insure proper handling  
of this product and also to prevent injuries to you or other persons, or damage to your properties.  
This chapter describes the precautions which should be taken in order to use this product safely and  
properly. Be sure to read this chapter before using this product.  
If the requirements shown in the "WARNING"  
sentences are ignored, the equipment may  
cause serious personal injury or death.  
WARNING  
If the requirements shown in the "CAUTION"  
sentences are ignored, the equipment may  
malfunction.  
CAUTION  
It means important information on using this  
IMPORTANT  
product.  
In addition to the three above, the following are also used as appropriate.  
means WARNING or CAUTION.  
Example:  
CAUTION AGAINST AN ELECTRIC SHOCK  
means PROHIBITION.  
Example:  
DISASSEMBLY PROHIBITED  
means A FORCIBLE ACTION.  
Example:  
UNPLUG THE POWER CABLE FROM THE RECEPTACLE.  
The following pages describe the symbols "WARNING", "CAUTION", and "IMPORTANT".  
( 4 / 18 )  
 
WARNING  
Warnings for Use Environment:  
• This equipment is to be used in an environment with a maximum ambient temperature of 35˚C. Care  
should be taken that this temperature is not exceeded.  
• Select the proper programming mode of the PROM programmer.  
CAUTION  
Caution to Be Taken for Modifying This Product:  
• Do not disassemble or modify this product. Disassembling or modifying this product can cause  
damage. Disassembling and modifying the product will void your warranty.  
Cautions to Be Taken for Handling This Product:  
• Use caution when handling this product. Be careful not to apply a mechanical shock such as falling.  
• Do not directly touch the connector pins of this product.  
• Be careful with the static electricity when handling this product and the MCU.  
Caution for Keeping This Product:  
• When not using this product for a long time:  
(1) Attach the connector pins of this product to the conductive sponge.  
(2) Put it into a conductive polyvinyl, and keep it in the package case shipped from the factory.  
(3) Store it in the place where humidity and temperature are low and direct sunshine does not  
strike.  
IMPORTANT  
Note on This Product:  
• We cannot accept any request for repair.  
When Using The Product:  
• Attach this product to the IC socket on the PROM programmer properly.  
• Mount the MCU to the IC socket of this product properly.  
• When opening and closing the IC socket of this product, be sure to keep it horizontal.  
• Be sure to specify the programming area of the PROM programmer properly.  
• Do not use the PROM programmer's device identification code readout function.  
( 5 / 18 )  
 
Chapter 2. Introduction  
The PCA7401 is a PROM programming adapter for Renesas 8-bit 7200 Series MCUs. The adapter  
is a tool that can be used to write programs into an internal PROM of MCUs using a commercially  
available PROM programmer.  
This manual describes the specifications and the operation of the PCA7401.  
Figure 2.1 shows the external view of the PCA7401 and its constituent parts.  
Figure 2.1 External view of the adapter and its constituent parts  
2.1 Things to Check When Unpacking  
This product consists of the following parts listed in Table 2.1. When unpacking, check to see that  
it contains all of the components shown in Table 2.1 below.  
Table 2.1 Package components  
Main unit  
PCA7401  
Connector  
User's manual  
PCA4738E (32-pin)  
This manual  
If any part is missing or there is any doubt about your product package, contact your local distributor.  
( 6 / 18 )  
 
Chapter 3. Usage  
This chapter describes procedures you need to follow when writing the program.  
For details on how to operate the PROM programmer, refer to the user's manual of the PROM  
programmer.  
3.1 Programming Procedure  
Follow these procedures (1) through (7) to write the program into the MCU.  
(1) Read the program into the PROM programmer.  
(2) Attach the adapter to the IC socket of the PROM programmer (see section 3.2).  
(3) Mount the MCU into the adapter (see section 3.3).  
(4) Set the programming area with the PROM programmer (see section 3.4).  
(5) Using the PROM programmer's erase check function, check whether data can be written into  
the MCU's programming area.*  
(6) Write the program into the programming area of the MCU using the PROM programmer.*  
(7) Verify the programming area of the MCU using the PROM programmer to check whether the  
program has been written into the MCU correctly.*  
Notes  
* Be sure to set the programming area. Otherwise the mode's shift to the programming mode may  
not be performed successfully. The erase check function and others may not also be performed  
completely.  
* Some PROM programmers perform the steps (5) to (7) automatically.  
( 7 / 18 )  
 
3.2 Attaching the Adapter to a PROM Programmer  
As shown in Figure 3.1, attach the pin No. 1 of the connector (standard-pitch 32-pin pin-header  
mounted) to the pin No. 1 of the IC socket of the PROM programmer.  
Be careful when attaching the adapter because incorrect insertion can cause fatal  
damage to the MCU.  
Figure 3.1 Attaching the adapter to a PROM programmer  
( 8 / 18 )  
 
3.3 Mounting an MCU into the Adapter  
As shown in Figure 3.2, insert the No. 1 pin of an MCU into the No. 1 pin of the IC socket.  
Be careful when inserting the MCU because incorrect insertion can cause fatal  
damage to the MCU.  
Top vie
Figure 3.2 Mounting an MCU  
CAUTION  
Caution to Be Taken for Handling an MCU:  
• Do not touch the connector in the IC socket and the pins on the PROM programmer  
connector. Otherwise it can cause an electrical insulation failure because of dirt.  
When not using, attach the connector pins of this product to the conductive sponge  
as it was shipped from the factory.  
( 9 / 18 )  
 
3.4 Setting the Programming Areas  
When writing the program into the MCU, be sure to set the programming area. And also, specify its  
device of the PROM programmer.  
Table 3.1 Programming areas  
PROM programmer  
ROM area  
of MCU  
ROM  
capacity  
ROM  
MCU type name  
M37266EE  
Device  
Programming area  
02000h--0FFFFh  
10000h--10FFFh  
12000h--123FFh  
01000h--0FFFFh  
10800h--1567Fh  
18000h--1E43Fh  
01000h--0FFFFh  
1B000h--1FFFFh  
10800h--157FFh  
18000h--1ACFFh  
02000h--0FFFFh  
10000h--10FFFh  
12000h--123FFh  
01000h--0FFFFh  
10800h--1567Fh  
18000h--1E43Fh  
01000h--0FFFFh  
1B000h--1FFFFh  
10800h--157FFh  
18000h--1ACFFh  
Internal ROM area  
OSD ROM area  
Internal ROM area  
OSD ROM area  
56 KB  
M37270EF  
M37280EK  
60 KB  
80 KB  
M5M27C101  
Internal ROM area  
OSD ROM area  
3.5 Recommended PROM Programmers  
The PROM programmers listed in Table 3.2 are recommended for the adapter PCA7401. Using the  
actual products, we have verified that these PROM programmers can be used to write programs  
without problem. Nonconformity occurring by using any other PROM programmers can not be  
supported. For the latest type of PROM programmers, contact the manufacturer to confirm whether  
it can be used for your product.  
Table 3.2 Recommended PROM programmers  
Manufacturer  
Type name  
R4944A  
Device  
Programming voltage (VPP)  
12.5 V  
Advantest  
Corporation  
R4945  
M5M27C101 mode  
R4945A  
( 10 / 18 )  
 
Chapter 4. Specifications  
4.1 Specifications  
Table 4.1 lists specifications of the PCA7401.  
Table 4.1 Specifications  
M37266EESP/SS  
Applicable MCUs  
M37270EFSP/SS/ERSS  
M37280EKSP/SS/ERSS  
8 MHz  
Operating clock frequency  
(Supplied by the ceramic oscillator mounted on the adapter)  
Supplied from Vcc of the PROM programmer  
264-1300-00 (made by Sumitomo 3M)  
Power supply  
IC socket  
Board to insert a programmable MCU  
(IC socket for MCU mounted on it)  
PCA7401  
(main unit)  
Board  
configuration  
PCA4738E  
Board to connect to the PROM programmer  
(Standard-pitch 32-pin pin-header mounted)  
(connector)  
( 11 / 18 )  
 
4.2 Memory Maps  
Figures 4.1 to 4.3 show memory maps of the MCU and the PROM programmer.  
0000016  
0100016  
0000016  
0100016  
Unused area  
Internal ROM area  
(60 KB)  
Programming area  
0FFFF16  
1000016  
0FFFF16  
1000016  
Unused area  
1080016  
1080016  
OSD ROM area  
OSD ROM area  
Programming area  
Unused area  
157FF16  
1800016  
157FF16  
1800016  
Programming area  
1ACFF16  
1B00016  
1ACFF16  
1B00016  
Unused area  
Expansion ROM area  
(20 KB)  
Programming area  
1FFFF16  
1FFFF16  
MCU  
PROM programmer  
Figure 4.1 Memory map (M37280EK)  
( 12 / 18 )  
 
0000016  
0100016  
0000016  
0100016  
Unused area  
Internal ROM area  
(60 KB)  
Programming area  
0FFFF16  
1000016  
0FFFF16  
1000016  
Unused area  
1080016  
1080016  
OSD ROM area  
Programming area  
Unused area  
1567F16  
1800016  
1567F16  
1800016  
OSD ROM area  
Programming area  
1E43F16  
1FFFF16  
1E43F16  
1FFFF16  
Unused area  
MCU  
PROM programmer  
Figure 4.2 Memory map (M37270EF)  
( 13 / 18 )  
 
0000016  
0200016  
0000016  
0200016  
Unused area  
Internal ROM area  
(56 KB)  
Programming area  
0FFFF16  
1000016  
0FFFF16  
1000016  
OSD ROM area  
Programming area  
Unused area  
10FFF16  
1200016  
10FFF16  
1200016  
Programming area  
OSD ROM area  
123FF16  
123FF16  
1FFFF16  
Unused area  
1FFFF16  
MCU  
PROM programmer  
Figure 4.3 Memory map (M37266EE)  
( 14 / 18 )  
 
Chapter 5. Troubleshooting  
The table below summarizes errors to be checked carefully before you determine them to be a fault.  
5.1 Errors That Occur When Writing to PROM  
(1) When Newly Purchased  
Remedy  
Cause  
See page  
8
Is the adapter attached to the correct position of the PROM  
programmer?  
Programming adapter  
Is the MCU attached to the correct position?  
Is the area specification set correctly?  
Is the correct device selected?  
9
10  
10  
PROM programmer  
Contact failure  
The IC socket of the PROM programmer may be stained. The  
socket needs replacing.  
-
(2) Previously Written Normally  
Remedy  
Cause  
See page  
8
Is the adapter attached to the correct position of the PROM  
programmer?  
Programming adapter  
PROM programmer  
Is the MCU attached to the correct position?  
Is the area specification set correctly?  
Is the correct device selected?  
9
10  
10  
The IC socket of the PROM programmer may be stained. The  
socket needs replacing.  
-
-
Contact failure  
The PROM programmer connector at which the PROM  
programmer is contacted may be stained. Clean it with  
alcohol, etc.  
5.2 MCUs Do Not Function Normally  
The program operates normally on the emulator, but when the MCU that has normally been written  
is attached the same program does not function normally.  
(1) In the emulator, NOPs are often inserted in the area where the program has not been read, therefore  
the program happens to appear functioning normally even though it may have gone wild. Check  
your program again.  
(2) The emulator and the actual MCU may differ in characteristics. Consult the user's manual of the  
emulation pod to check for differences in characteristics again.  
( 15 / 18 )  
 
5.3 Other Precautions  
(1) About the Recommended PROM Programmers  
Not all PROM programmers available on the market can be checked to see if they function properly.  
There are several PROM programmers that we have verified to function properly. These products are  
listed as recommended PROM programmers in this user's manual. Other PROM programmers may  
also be used providing that you verified them to function properly.  
Note: No matter which type of PROM programmer you use, it is necessary to verify completion of  
programming by executing screening, etc. that are stipulated for each MCU used.  
(1) About Reading Out of Device Identification Code *1  
Please do not use the PROM programmer's device identification code readout function.  
Using this function may break down the MCU. The device identification code is included in EPROM  
to indicate the manufacturer code and device code; it is not included in the MCU.  
*1 Depending on PROM programmer manufacturers, this may be referred to by another name (e.g.  
ID code).  
5.4 How to Request for Support  
After checking this manual, fill in the following information and email to your local distributor.  
For prompt response, please specify the following information:  
(1) Contact address  
• Company name  
• Department  
• Responsible person  
• Phone number  
• Fax number  
• E-mail address  
(2) Product information  
• Name of the programming adapter  
• Serial number  
• Date of purchase  
• Target MCU  
• Symptoms (Fails blank check/Cannot write a program/Fails verification etc.)  
• Detailed symptoms  
• How often does the problem occur? (2 out of 10 etc.)  
• When did the problem start to occur? (Since purchase/Used to work correctly)  
• Type name of the PROM programmer (Advantest R4945A etc.)  
• Specified device when writing to PROM (M27C101 etc.)  
• Specified programming area when writing to PROM  
• Switch settings of the adapter when writing to PROM  
( 16 / 18 )  
 
PCA7401 User's Manual  
Rev. 1.00  
July 1, 2003  
REJ10J0185-0100Z  
COPYRIGHT ©2003 RENESAS TECHNOLOGY CORPORATION  
AND RENESAS SOLUTIONS CORPORATION ALL RIGHTS RESERVED  
 
 

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