Zilog Z8F0130 Uživatelský manuál stáhnout pdf (Strana 52)

Using the Integrated Development Environment UM013037-1212

Zilog Developer Studio II – Z8 Encore!

User Manual

Connect to Target Button

The Connect to Target button starts a debug session using the following process:

1. Initializes the communication to the target hardware.

2. Resets the device.

3. Configures the device using the settings in the

Configure Target dialog box.

4. Configures and executes the debugger options selected in the

Debugger tab of the

Options dialog box. The following options are ignored if selected:

–

Reset to Symbol 'main' (Where Applicable) checkbox

–

Verify File Downloads – Read After Write checkbox

–

Verify File Downloads – Upon Completion checkbox

This button does not download the software. Use this button to access target registers,

memory, and so on without loading new code or to avoid overwriting the target’s code

with the same code. This button is not enabled when the target is the simulator. This button

is available only when not in

Debug mode.

For the Serial Smart Cable, ZDS II performs an on-chip debugger reset and resets the CPU

at the vector reset location.

Download Code Button

The Download Code button downloads the executable file for the currently open project

to the target for debugging. The button also initializes the communication to the target

hardware if it has not been done yet. Starting in version 4.10.0, the

Download Code but-

ton can also program Flash memory. A page erase is done instead of a mass erase for both

internal and external Flash memory. Use this button anytime during a debug session. This

button is not enabled when the target is the simulator.

The current code on the target is overwritten.

If ZDS II is not in

Debug mode when the Download Code button is clicked, the following

process is executed:

1. Initializes the communication to the target hardware.

2. Resets the device with a hardware reset by driving pin #2 of the debug header low.

3. Configures the device using the settings in the

Configure Target dialog box.

4. Downloads the program.

5. Issues a software reset through the debug header serial interface.

Note:

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