71M651X
Energy Meter IC
APPLICATION NOTE
Teridian Application Note 1/8
A Maxim Integrated Products Brand
AN_651X_033 NOVEMBER 2010
Development Tools
This Application Note describes the various development and programming tools available for the 71M651X,
71M652X, and 71M653X families of Energy Meter ICs.
Compiler
Teridian recommends using the CA51 “Compiler Kit” by Keil (www.keil.com), which contains the µVision 3
Integrated Development Environment (IDE), complete with 8051 assembler, editor, C compiler, linker, and locator.
The Demo Code shipped with the Demo Kits for Teridian Energy Meter ICs is written using this tool. Keil offers
the best support for the memory model of the 80515 core used in the 71M651X ICs. It is possible to use alterna-
tive compilers, but the code for these is not supported by Teridian.
Figure 1: Keil µVision3 User Interface
While all Demo Code is written using the standard CA51 tool by Keil, significant improvements in memory usage
can be made by using the PK51 “Professional Developer’s Kit” by Keil. The PK51 contains the LX51 advanced
linker that can reduce code size by up to 8%, using special optimization techniques.
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In-Circuit Emulator (ICE)
The Signum Systems ADM51 (www.signum.com) is compatible with the Keil symbolic output format and supports
the 71M65XX ICs, including the 71M653X bank switching mechanism. It is useful to perform the following tasks:
• Code emulation with breakpoints, watch windows, etc., with support of source code symbols
• Memory monitoring and manipulation (SFRs, XRAM, I/O RAM)
• Flash erase and code loading into flash memory of the 71M651X
Teridian supplies the ADM51 to customers at a preferred price (P/N DB6510-ADM51).
Note: Since meters are sometimes tested with live voltages, isolation of the emulator is strongly recommended.
USB isolators are available from various vendors. For example, the UISOHUB4 or UEF10M are available at B&B
Electronics (www.bb-elec.com, or http://www.bb-europe.com/).
Figure 2: Signum ADM51 Emulator Pod
Emulators are available from Signum Systems that support trace memory. Trace memory can only be used with
the 71M6513 and 71M6513H ICs. Signum offers the following emulators with enhanced features:
• ADM51-Trace: Records PC, SFR, IRAM and XDATA transactions in real-time on devices with trace port
(6513, 6534)
• ADM51-Trace-CE: Same as above, but with added complex events triggering
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Figure 3: Sign u m WEMU51 User Interface
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Flash Pr ogrammer
The Signum ADM51 can serve as a programmer for prototyping and small quantities. For programming pro-
duction quantities, Teridian offers the TFP2 Flash Programming Module (P/N 80515-FPBM-TFP2), which is a
stand-alone programmer that can be operated manually or in an ATE environment (see Figure 4).
Figure 4: Teridian TFP-2 Flash Programmer
The TFP2 offers the following features:
• Stand-alone or PC-controlled programming
• Variable flash memory size selectable
• LEDs and signal outputs for PASS and FAIL
• Pushbutton and digital control inputs compatible with ATE
• Can erase and re-program ICs that have the SECURE bit set
• Controls ICE_E for 71M652X and 71M653X ICs
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Gang Pr ogrammers and Product ion Programmers
Single and gang programmers for lab quantities as well as high-volume programmers providing device handlers
and feeders are available from BPM Microsystems (www.bpmmicro.com).
Discontinued Devices
The gang progr am mer that was available from Teridian has been discontinued.
All production programming should be based on the devices available at BPM Microsystems (Houston, TX, USA).
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Software/Firmware
The complete set of sources for the MPU Demo Code is available to the customer as well as images of CE code
and CE data. The source modules can be combined to quickly implement a working meter. Software development
is supported by documentation in form of a Software User's Guide (SUG). The SUG contains:
• HW and SW requirements
• Description of SW utilities
• Command line interface description
• Tool installation guide
• Demo Code description
• 80515 Core Reference
Demo Boar ds a nd Demo Ki ts
Demo Kits are the quickest way to get familiar with the Teridian 71M65XX family of energy metering ICs. They are
very useful to evaluate the performance of the ICs without having to write any software, and they can serve as a
prototyping platform for software development.
Each Demo Kit contains the following:
1) One Teridian energy metering IC on a Demo Board implementing a pre-programmed demonstration
meter, complete with resistor dividers, connectors for voltage and current sensor inputs, EEPROM, pulse
LEDs, AC power supply, DC power supply and LCD display . In addition, various test points, configuration
headers and access to the emulator interface of the IC are provided.
2) Debug Board. This board provides isolation and translation to RS-232 vo lta ge le v els. It enabl es the user
to control various parameters of the Demo Board via a simple serial command line interface.
3) Two power supplies (for Demo Board and Debug Board).
4) Serial cable for connection of the Debug Board to a terminal or PC (COM port).
5) CD-ROM with documentation (Data Sheet, User’s Manual, Software User’s Guide), Demo Code
(executable files and source files), and various utilities.
Figure 5: 71M6513 Demo Board with Debug Board
After the evaluation phase, the Demo Board can serve as a platform for code development, which can be done
simultaneously with schematic design and layout.
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Applic a t ion Notes
Application Notes are provided by Teridian to hel p with gener al or spec ial app lications and tools, w ith interfacing
to sensors and peripherals, design for EMI/EMC, or to explain procedures, algorithms and mechanisms used in
conjunction with the 71M651X Family of metering ICs.
Below is a partial list of the available Application Notes:
1) Connecting the V3 pin
2) Rogowski Coil
3) Optical Port
4) Temperature Compensation
5) EMC/EMI Design Guidelines
6) LCD
7) Chop Enable
8) RX Pin
9) Infrequent Temperature Measurements
10) RTM Tool
11) Boot Loader
12) Crystal Frequency Variations
13) Current Shu nt
14) Weigh Scale – Load Cell
15) Migration from 6511 to 6521
16) Calibration for Shunt and CT
17) Neutral Current
18) Harmonics Performance
19) Broadban d VAR H armonics Performance
Teridian constantly adds documents to this list of Application Notes. Check the Teridian Web Site for the latest
Application Notes.
AN_651X_033 Development Tools
Maxim cannot assume responsi bility for use of any circuitry ot her than circuit ry entirely embodied in a Max i m product. No circuit patent
licenses are implied. Maxim reserves the right t o change the circ uitry and specif ications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
2010 Maxim Integrated Products Maxim is a registered tradem ark of Maxim Integrat ed Products.
Revisi on Histor y
Revision Date Description
Rev. 1.0 6/22/2006 First publication.
Rev. 1.1 4/6/2007 Added description of gang programmer
Rev. 1.2 9/26/2007 Updated flash programmer description (TFP2)
Rev. 1.3 4/9/2008 Added description of non-standard types of in-circuit emulators available from
Signum Systems. Added part numbers for TGP1 and socket adapters.
Rev. 1.4 3/20/2009 Added link to BPM Microsystems for production programmer products. Removed
ordering numbers for TGP1 programmer and added note that the TGP1 has been
discontinued.
