Equinox Systems GEMINI Podręcznik Użytkownika Pobierz pdf (Strona 25)

User Guide V1.10

10 Reading/Writing the Status Byte

It is possible to Read/Clear the

‘Status Byte’ using the

dialog as shown in figure 13.

To read the current value of

the ‘Status Byte’:

• Click the <Read> button

-> The programmer enters ISP

mode, reads the ‘Status Byte’

value and displays it.

To clear the ‘Status Byte’:

• Check the ‘Clear Status Byte’ option

• Click the <Write> button

-> The programmer enters ISP mode, writes 00h to the ‘Status Byte’ and then exits ISP

mode

11 Security

It is possible to Read/Write the security lock bits using the <Device><Security> dialogue.

Note

You can only increase the security level. In order to return to security level 0 you will

have to use <Device><Erase>

Philips Device Programming Guide continued

Figure 13

Level Function

0 No program lock

1 Further programming disabled

2 Programming & verify disabled

3 External execution disabled

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 57 58

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Equinox Systems GEMINI Podręcznik Użytkownika Strona 25