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| 型号： | 71M6543F-DB-CT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 33/91页 |
| 文件大小： | 0K |
| 描述： | DEMO BOARD 71M6543F-DB-CT |
| 标准包装： | 1 |
| 系列： | * |
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71M6543 Demo Board User’s Manual
Table 1-11: Identification of 71M6x0x Remote Sensor Types
Bit 5/Bit 4
00
01
10
11
71M6x0x Remote Interface
71M6601 or 71M6603
71M6103 (Polyphase) or
71M6113 (Polyphase)
71M6201 or 71M6203
Invalid
Current
[A]
60
100
200
--
For Accuracy Class (%)
1
1
0.5
0.2
--
1.10.7 COMMUNICATING WITH THE 71M6X0X
Some commands are useful to communicate with the 71M6x0x Remote Sensor Interface for the purpose of test
and diagnosis. Some useful commands are:
1)
2)
6C1.42 – this command causes the 71M6x0x Remote Sensor Interface to output its reference voltage
on the TMUX pin (pin 5).
6R1.20 – this command returns the reading from the temperature sensor (STEMP) of the 71M6x0x
Remote Sensor Interface in a two-byte hexadecimal format (e.g. FFDF). Negative readings are sig-
naled by the MSB being 1.
T = 22°C + (STEMP*0.33 - (STEMP 2 )*0.00003)°C
Example: For STEMP = 0xFFDF the decimal equivalent is -32. The temperature calculates to 22°C –
10.59°C = 11.4°C.
Note that the IC temperature is averaged and displayed more accurately with the M1 command.
1.10.8 BOOTLOADER FEATURE
Demo Codes 5.4F and later are equipped with a bootloader feature. This feature allows the loading of code via
the serial interface (USB connector CN1) when a Signum ADM51 emulator or Maxim TFP2 Flash Loader is not
available.
The bootloader functions as follows:
1)
2)
3)
4)
Meter code must be modified in order to be loaded by the bootloader. The meter code must start at ad-
dress 0x0400, and its interrupt vector table must also start at 0x400. The bootloader itself is located at ad-
dress 0x0000 and must be loaded into the IC by some method if the flash memory of the 71M6543 is empty
or if code of a previous revision is loaded. The bootloader is part of Demo Code 5.4F.
The bootloader loads Intel hex-86 files at 38,400 baud 8 bits, no parity. It will only accept record types 0, 4
and 1, which are the types produced by Maxim’s Teridian bank_merge program or checksum program, and
the Keil compiler (PK51). No records may overlap. (Keil, bank_merge and checksum produce this style of
hex file by default.)
The records from 0x00000 to 0x00400 are ignored, so that the bootloader can't overwrite itself.
If the bootloader load process is not invoked, the bootloader jumps to address 0x0400 and executes the
code found there.
A detailed description of the bootloader can be found in the _readme.txt file contained in the source code
ZIP package (folder 6543_5p4f_14dec11\Config\Series6540\BtLd).
For a 71M6543 Demo Board containing code with the bootloader, instructions for loading new code are as fol-
lows:
1)
2)
3)
4)
5)
Connect a PC running HyperTerminal or a similar terminal program to the 71M6543 Demo Board. Set the
program to 38,400 baud 8 bits, no parity, XON/XOFF flow control.
Turn off the power to the 71M6543 Demo Board.
Install a jumper from board ground to the VARh pulse output (JP7, right pin), which is also SEGDIO2. A low
voltage on this pin signals to the bootloader that new code should be loaded via the UART.
Apply power to the meter.
After a brief delay, the Wh pulse LED (D5) will light up (SEGDIO1). The bootloader should send a ":" on the
UART to the PC. If this occurs, the flash is erased, and the 71M6543 Demo Board is ready to load code.
- If this does not occur, check the jumper, and reset or repower the unit
- If the Wh LED still does not light up, then the boot code is not installed.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6543F-IGT/F | 功能描述:计量片上系统 - SoC Precision Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6543F-IGTR/F | 功能描述:计量片上系统 - SoC Precision Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6543FT-IGT/F | 制造商:Maxim Integrated Products 功能描述:ENERGY METER ICS - Rail/Tube |
| 71M6543FT-IGTR/F | 制造商:Maxim Integrated Products 功能描述:3-PHASE SOC, 64KB FLASH, PRES TEMP SENSOR - Tape and Reel |
| 71M6543G | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Selectable Gain of 1 or 8 for One Current Energy Meter ICs Metrology Compensation |
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