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| 型号： | 71M6543F-DB-CT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 22/91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
Similarly, calibration data can be restored to default values using the CLD command.
After reset, calibration data is copied from the EEPROM, if present. Otherwise, calibration
data is copied from the flash memory. Writing 0xFF into the first few bytes of the EEPROM
deactivates any calibration data previously stored to the EEPROM.
1.9.5 LOADING THE CODE FOR THE 71M6543F INTO THE DEMO BOARD
Hardware Interface for Programming: The 71M6543F IC provides an interface for loading code into the inter-
nal flash memory. This interface consists of the following signals:
E_RXTX (data), E_TCLK (clock), E_RST (reset), ICE_E (ICE enable)
These signals, along with V3P3D and GND are available on the emulator headers J14.
Programming of the flash memory requires a specific in-circuit emulator, the ADM51 by Signum Systems or the
Flash Programmer (TFP-2) provided by Maxim.
Chips may also be programmed before they are soldered to the board. Gang programmers suitable for high-
volume production are available from BPM Microsystems.
In-Circuit Emulator: If firmware exists in the 71M6543F flash memory; it has to be erased before loading a new
file into memory. Figure 1-5 and Figure 1-6 show the emulator software active. In order to erase the flash
memory, the RESET button of the emulator software has to be clicked followed by the ERASE button.
To successfully erase the flash memory, the following steps have to be taken:
1)
2)
3)
4)
5)
Disable the CE by writing 0x00 to address 0x2000
Write 0x20 to address 0x2702 ( FLSH_UNLOCK[ ] register in I/O RAM)
Reset the demo board (RESET button or power cycle)
Activate the ERASE button in the WEMU51 user interface
Now, new code can be loaded into the flash memory
Once the flash memory is erased, the new file can be loaded using the commands File followed by Load. The
dialog box shown in Figure 1-6 will then appear making it possible to select the file to be loaded by clicking the
Browse button. Once the file is selected, pressing the OK button will load the file into the flash memory of the
71M6543F IC. At this point, the emulator probe (cable) can be removed. Once the 71M6543F IC is reset using
the reset button on the Demo Board, the new code starts executing.
Figure 1-5: Emulator Window Showing Reset and Erase Buttons (see Arrows)
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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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