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This document information is the intellectual property of Megawin Technology Co., Ltd.

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Megawin Technology Co., Ltd. 2014 All right reserved.

MEGAWIN

MAKE YOU WIN

8051 OCD ICE

User Manual, v3.00

5.2.4 View/Edit the Contents of Peripherals

’ SFRs

There are many peripheral SFRs that don

’t belong to the registers shown in the Register Window. To view or edit

these registers, select the

Peripherals

item on the main menu. A pulled-down sub-menu will be displayed, and

the user can select a peripheral to view or edit its corresponding SFRs, as shown below.

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Содержание 8051 OCD ICE

Страница 1: ...ent information is the intellectual property of Megawin Technology Co Ltd 1 Megawin Technology Co Ltd 2014 All right reserved MEGAWIN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 Megawin 8051 OCD ICE U...

Страница 2: ...Activate the dScope Debugger Function 12 5 2 Introduction to the Debugger Environment 13 5 2 1 Reset Run Halt Step Run to Cursor 14 5 2 2 Source Level Debugging 14 5 2 3 Breakpoint Setting 15 5 2 4 V...

Страница 3: ...ility Description The all new Megawin 8051 OCD ICE is a powerful development tool for 8051 embedded system By adopting the Megawin proprietary OCD On Chip Debug technology this ICE provides on chip an...

Страница 4: ...ore there is no need of a power adapter for it Hardware Connection Diagram Note Refer to Section 6 5 for more information OCD ICE Interface Pin Number Part No Package OCD_SCL OCD_SDA RST CLK MPC82G516...

Страница 5: ...operty of Megawin Technology Co Ltd 5 Megawin Technology Co Ltd 2014 All right reserved MEGAWIN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 64 pin LQFP 34 35 33 N A MG82FG5Dxx 16 pin SOP 15 16 14 N A...

Страница 6: ...se in the Keil 8051 IDE Software Activate the Setup exe in the folder Database Installer to open the Database Installer Application Program to install the Megawin Database into the Keil 8051 IDE softw...

Страница 7: ...IN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 4 Keil IDE Setup Before using the dScope Debugger function of the Keil IDE the user should do some proper settings in the Keil IDE First open the Vision...

Страница 8: ...nology Co Ltd 8 Megawin Technology Co Ltd 2014 All right reserved MEGAWIN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 4 1 Options Device Select the Megawin Device Database and the target part number 4...

Страница 9: ...MAKE YOU WIN 8051 OCD ICE User Manual v3 00 4 3 Options Output Enable the Debug Information It is necessary for creating an absolute OMF file for source level debugging 4 4 Options C51 Disable the cod...

Страница 10: ...Megawin Technology Co Ltd 10 Megawin Technology Co Ltd 2014 All right reserved MEGAWIN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 4 5 Options Debug Select the Megawin On Chip Debug Driver And enable...

Страница 11: ...reserved MEGAWIN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 4 6 Options Utilities Always disable the Update Target before Debugging It is because we have enabled the Load Application at Startup shown...

Страница 12: ...rt Debugging After the tasks described in Sections 2 3 and 4 have been done you can start debugging your Vision project 5 1 Activate the dScope Debugger Function After building the project suppose no...

Страница 13: ...truction just executed Disassembly Window This window is the default window opened just when the debugger mode is entered It shows the source level code followed by its corresponding assembly code Wat...

Страница 14: ...ursor Reset Run Halt Stop Step and Run to Cursor are the basic debug actions The user can easily invoke any of these actions by clicking the short cut buttons in the debugger GUI as shown below 5 2 2...

Страница 15: ...to four breakpoints can be inserted simultaneously Insert Remove a Breakpoint Move the cursor to the front of the line and click the right key then click Insert Remove Breakpoint for toggling between...

Страница 16: ...User Manual v3 00 5 2 4 View Edit the Contents of Peripherals SFRs There are many peripheral SFRs that don t belong to the registers shown in the Register Window To view or edit these registers select...

Страница 17: ...IN 8051 OCD ICE User Manual v3 00 5 2 5 View Disassembly Window Disassembly Window displays source level code followed by its corresponding assembly To open this window select the View item on the mai...

Страница 18: ...ogy Co Ltd 2014 All right reserved MEGAWIN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 5 2 6 View Watch Window The Watch Window helps the user to check either local variables or global variables as sh...

Страница 19: ...window select the View item on the main menu A pulled down sub menu will be displayed and then select Memory Window as shown below The available commands are 1 d 0x00 d 0xFF for data type 2 i 0x00 i 0...

Страница 20: ...from the actual end product In addition because the programming data to be programmed to the target can be saved in the ICE adapter s non volatile storage this stand alone programmer is able to work w...

Страница 21: ...Megawin Technology Co Ltd 2014 All right reserved MEGAWIN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 6 2 1 Update Programmer Step 1 Choose a MCU Part No If users open ICP application by clicking Menu...

Страница 22: ...User Manual v3 00 Step 2 Click Load File and choose loading AP Code or IAP Data Load File can be clicked repeatedly to load different files While loading IAP Data users have to key in Address HEX and...

Страница 23: ...ology Co Ltd 23 Megawin Technology Co Ltd 2014 All right reserved MEGAWIN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 Step 3 Click Insert ISP Code may choose to insert Megawin provided ISP code or Use...

Страница 24: ...cument information is the intellectual property of Megawin Technology Co Ltd 24 Megawin Technology Co Ltd 2014 All right reserved MEGAWIN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 Step 4 H W Option...

Страница 25: ...win Technology Co Ltd 2014 All right reserved MEGAWIN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 Step 5 Click Update Programmer to download programming data to the ICE adapter Update Programmer funct...

Страница 26: ...t reserved MEGAWIN MAKE YOU WIN 8051 OCD ICE User Manual v3 00 6 2 2 Update Target How to update the target Users may 1 click Update Target to program on line update referring to steps 1 through 4 of...

Страница 27: ...6 is 1024 bytes with addresses 0x0000 to 0x03FF That is the address space of on chip XRAM overlaps that of the external data memory So there must be a control bit used to distinguish these two physica...

Страница 28: ...cal memory controlled by bit 1 of AUXR 7 3 Code Optimization and Source Level Debugging As shown in the following source code the C51 compiler won t generate any machine code for L_var1 0x38 because t...

Страница 29: ...e Debugger mode Requirement 1 The debugged chip must be in un locked state It is because if the debugged chip is locked the downloading of the user s application code in the dScope Debugger mode will...

Страница 30: ...6 Error Message There will be an error message Error Target DLL has been cancelled Debugger aborted shown in following figure if 1 ICE adapter hardware fails or 2 Target MCU doesn t work for example n...

Страница 31: ...he ICE adapter will be slowed down severely if it is connected to a host via a USB2 0 hub So to speed up the downloading when clicking dScope button to enter the debugger mode the user had better dire...

Страница 32: ...ler 2010 05 21 V2 32 Support uVision4 2010 06 02 V2 33 Update IcpProgrammer exe in Database Installer 2010 08 25 V2 40 Supported MG84FG516 2011 05 02 V2 41 Update IcpProgrammer exe in Database Install...

Страница 33: ...IcpProgrammer exe in Database Installer 2015 05 21 V2 92 Update IcpProgrammer exe in Database Installer 2015 05 22 V2 93 Update MegawinOCD dll in Database Installer 2015 08 24 V2 94 Update MegawinOCD...

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