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參數(shù)資料
| 型號： | WGDB7 |
| 廠商： | 意法半導體 |
| 英文描述： | Windows Debugger for the ST7 Emulator, Simulator and Development Kit(ST7仿真器的Windows調(diào)試程序) |
| 中文描述： | Windows調(diào)試器用于ST7仿真器，仿真器和開發(fā)工具包（ST7的仿真器的視窗調(diào)試程序） |
| 文件頁數(shù)： | 53/76頁 |
| 文件大?。?/td> | 568K |
| 代理商： | WGDB7 |
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WGDB7
To begin trace recording use the
Run
,
Continue
or any other program execution commands.
Recording continues until the program is stopped by a breakpoint, the logic analyser, or be-
cause the
Stop
button has been clicked. When the execution stops, the data in the Trace win-
dow is updated if it is ‘hot’, otherwise you must press the
Refresh
button to update it.
If you execute the program in step by step mode, no trace records are recorded.
4.14 Pin Input/Output Simulation
WGDB7 with Simulator Only
4.14.1 The Input-Process-Output Scheme
Simulating the execution of a program on an ST7 microcontroller would be quite frustrating if
you were not able to input signals and see the resulting output. The behaviour of a program
cannot be completely understood unless the occurrence of external events is considered. In-
put signals enter a black box (the simulated microcontroller) which in turn produces output sig-
nals after the program has been executed.
External information (pin stimulus) is conveyed through the simulated microcontroller pins,
configured as I/O ports (or parts of I/O ports). Some pins can be configured as input or output
and some are dedicated to only input or only output (see the ST7xxxx datasheets). The follow-
ing is an example of the ST72251 microcontroller pin configuration:
Table 2. Example of Pin Configuration (ST72251 MCU)
Pin No.
(SDIP32)
Pin Name
Type
Description
...
...
...
...
4
PB7/SS
I/O
Port B7 or SPI Slave Select
5
PB6/SCK
I/O
Port B6 or SPI Serial Clock
...
...
...
...
10
PB1/OCMP1_A
I/O
Port B1 or Timer A Output Compare 1
11
PB0/ICAP1_A
I/O
Port B1 or Timer A Input Capture 1
203
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