Motorola USB08 Instruções de Operação descarregar pdf (Página 94)

• Move to the ‘Security Bytes’ tab. Enter the sequence of bytes needed to unlock FLASH

memory on the MCU. If you are using a brand new chip these will all be FF.

• Close the Settings dialog by clicking 'OK'.

Connecting to the Monitor Firmware (MON08)

• Click the 'Connect' speedbutton at the left hand end of the row of buttons.

• Reboot the MCU. Either using the reset button on the target board, or, if the appropriate

hardware is in place, by clicking the 'Reboot Talker' speedbutton.

• Send the eight security bytes, using the ‘Unlock’ command

• Xplor8 should now receive a ‘break’ signal from the MCU. If it does so, the status line should

read 'Monitor Mode' and, if the security bytes were correct, 'FLASH Unlocked'. If a 'Comms

Error' dialog appears, then there is a communication problem. If this persists, consider sending

an Error Report, see page 79.

Using Commands

The monitoring and de-bugging functions of Xplor8 are invoked by typing in Commands into the

Command Edit Box, see page 20. Some important commands, such as those to load a file to the MCU,

are also duplicated in the Actions menu. See the Quick Tour below for some initial commands to try.

Beginner’s Advice

If you are quite new to programming for the HC908 series, I cannot do better than repeat the advice

given in the Starter Package manual for the Technological Arts micro controller boards: '..start with

something that works, and then add new features incrementally'. The very simple 'Looptest' program

in the \Samples\ folder is a possible starting point.

Happy Debugging!

See the next page for a quick tour of Xplor8.

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Motorola USB08 Instruções de Operação Página 94