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| 型号： | DV164120 |
| 厂商： | Microchip Technology |
| 文件页数： | 33/86页 |
| 文件大小： | 0K |
| 描述： | KIT STARTER PICKIT 2 |
| 产品培训模块： | Asynchronous Stimulus |
| 标准包装： | 1 |
| 系列： | PICkit™ 2 |
| 类型： | 微控制器 |
| 适用于相关产品： | PIC Micro? MCU |
| 所含物品： | 板，PICkit? 2 编程器，线缆，CD |
| 产品目录页面： | 658 (CN2011-ZH PDF) |
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Using In-Circuit Serial Programming? (ICSP?)
3.4
V DD
During ICSP programming, the device needs to be powered in accordance with the
device specification. Typically, the device supply voltage is connected to the application
circuit supply voltage. The application circuit can be powered by the PICkit 2 or exter-
nally. There are a few precautions that need to be observed in the situations covered
in the following three sections.
3.4.1
The application circuit is powered by the PICkit 2
The PICkit 2 supply voltage may set between the maximum and minimum voltages
allowed by the device programming specification, unless the minimum is below +2.5V.
Be sure to set the voltage box to the appropriate voltage before programming the
device or turning on V DD .
CAUTION
The USB port current limit is set to 100 mA. If the target plus the programmer
exceeds this current limit, the USB port may turn off. The target may be powered
externally if more power is required.
Note:
3.4.2
Current draw should be limited to 25 mA when using the programmer to
power the application circuit. Ensure that the application circuit does not
slow the V DD rise time to longer than 500 μ s.
The application circuit is powered externally
The PICkit 2 may be used with application circuits powered externally between +5.0V
and +2.5V.
3.4.3
Bulk Erase is used
Some devices use a Bulk Erase function to erase program memory, data EEPROM
memory, ID locations, and Configuration bits. Typically, the Bulk Erase function
requires a supply voltage (V DD ) of 4.5 to 5.5 Volts (refer to the device programming
specification for device specific requirements).
This voltage range can be a problem if the application circuit is designed to operate at
a different supply voltage range. In order to Bulk Erase the device, the application
circuit needs to take into consideration the Bulk Erase voltage requirement while
protecting any voltage sensitive circuitry.
If the application circuit V DD is below the minimum required for the Bulk Erase, a dialog
will warn the user before attempting to erase the device.
? 2008 Microchip Technology Inc.
DS51553E-page 29
相关PDF资料 |
PDF描述 |
|---|---|
| DV164121 | KIT PICKIT 2 DEBUG EXPRESS |
| DV164122 | ANALYZER SRL PICKIT W/DEMO BOARD |
| DV164131 | KIT STARTER PICKIT 3 |
| DV164132 | KIT EVAL F1 FOR PIC12F1/PIC16F1 |
| DV243003 | KIT STARTER FOR SRL MEM PRODUCTS |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DV164121 | 功能描述:电路内置调试器 PICkit 2 Debug Express RoHS:否 制造商:Microchip Technology 产品:In-Circuit Debugger Kits 工具用于评估:PIC MCUs, dsPIC DSCs 用于:07-00024, AC164113 核心:dsPIC, PIC 接口类型:USB 工作电源电压:3 V to 5 V |
| DV164121 | 制造商:Microchip Technology Inc 功能描述:ICPICKIT2 PROGRAMMER/DEBUGGER ((NW)) |
| DV164121+TEFLCST3 | 制造商:Microchip Technology Inc 功能描述:KIT PICKIT2+FLOWCODE-HOME BUNDLE 制造商:Microchip Technology Inc 功能描述:ICD, PICKIT 2, FLOW CODE, PIC, DSPIC 制造商:Microchip Technology Inc 功能描述:ICD, PICKIT 2, DEBUG EXP, FLOW CODE, PIC, DSPIC; Silicon Family Name:PIC12F6xx, PIC16F5xx; Core Architecture:PIC; Core Sub-Architecture:PIC12, PIC18, PIC24; IC Product Type:Debugger / Programmer; Series:PICkit 2 ;RoHS Compliant: Yes |
| DV164122 | 功能描述:界面开发工具 PICkit Ser Analyzer RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| DV164126 | 功能描述:开发板和工具包 - PIC / DSPIC USB Kit w/ PICkit LowPinCount RoHS:否 制造商:Microchip Technology 产品:Starter Kits 工具用于评估:chipKIT 核心:Uno32 接口类型: 工作电源电压: |
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