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参数资料
| 型号： | PG164130 |
| 厂商： | Microchip Technology |
| 文件页数： | 23/98页 |
| 文件大小： | 0K |
| 描述： | PROGRAMMER MCU PICKIT 3 |
| 特色产品： | MPLAB? X IDE |
| 标准包装： | 1 |
| 系列： | PICkit™ 3 |
| 类型： | 微控制器 |
| 适用于相关产品： | PIC Micro? MCU |
| 所含物品： | 仅开发编程器 |
| 产品目录页面： | 658 (CN2011-ZH PDF) |
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Theory of Operation
2.4.5
Circuits That Will Prevent the Debugger From Functioning
Figure 2-5 shows the active debugger lines with some components that will prevent the
PICkit 3 debugger system from functioning.
FIGURE 2-5:
V PP /MCLR
PGC
PGD
IMPROPER CIRCUIT COMPONENTS
1
No!
No!
No!
5
4
Interface
No!
Connector
Specifically, these guidelines must be followed:
? Do not use pull-ups on PGC/PGD – they will disrupt the voltage levels, since
these lines have 4.7 k Ω pull-down resistors in the debugger.
? Do not use capacitors on PGC/PGD – they will prevent fast transitions on data
and clock lines during programming and debug communications.
? Do not use capacitors on MCLR – they will prevent fast transitions of V PP . A
simple pull-up resistor is generally sufficient.
? Do not use diodes on PGC/PGD – they will prevent bidirectional communication
between the debugger and the target device.
2.5
DEBUGGING
There are two steps to using the PICkit 3 programmer/debugger system as a debugger.
The first requires that an application be programmed into the target device (usually with
the PICkit 3 itself). The second uses the internal in-circuit debug hardware of the target
Flash device to run and test the application program. These two steps are directly
related to the MPLAB IDE operations:
1. Program the code into the target and activate special debug functions (see the
next section for details).
2. Use the debugger to set breakpoints and run.
If the target device cannot be programmed correctly, the PICkit 3
programmer/debugger will not be able to debug.
Figure 2-6 shows the basic interconnections required for programming. Note that this
is the same as Figure 2-4, but for the sake of clarity, the V DD and V SS lines from the
debugger are not shown.
? 2009 Microchip Technology Inc.
DS51795A-page 19
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PG164130 | 制造商:Microchip Technology Inc 功能描述:PICkit 3 In-Circuit Debugger Only |
| PG16-50 | 制造商:Thomas & Betts 功能描述:Fittings Adapter 0.5inch Female |
| PG16-BP | 制造商:Mencom 功能描述: |
| PG16DG | 制造商:Farnell / Pro-Power 功能描述:GLAND PG16 10-14MM PK10 制造商:pro-power 功能描述:GLAND, PG16, 10-14MM, PK10 制造商:pro-power 功能描述:GLAND, PG16, 10-14MM, PK10; Cable Diameter Min - Metric:10mm; Cable Diameter Max - Metric:14mm; Cable Diameter Min - Imperial:0.394"; Cable Diameter Max - Imperial:0.551"; Thread Size - Metric:PG16; Cable Gland Material:Nylon ;RoHS Compliant: Yes |
| PG16-GY | 制造商:BACO Controls Inc 功能描述: |
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