27.12.2012 Views

Atmel AT89C51ID2 Data Sheet - Keil

Atmel AT89C51ID2 Data Sheet - Keil

Atmel AT89C51ID2 Data Sheet - Keil

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Display <strong>Data</strong><br />

Description<br />

Figure 55. Display Flow<br />

Host<br />

Note: The maximum size of block is 400h. To read more than 400h bytes, the Host must send a new command.<br />

4289A–8051–09/03<br />

Send Display Command<br />

OR<br />

Wait Display <strong>Data</strong><br />

All data read<br />

OR<br />

COMMAND FINISHED<br />

Wait Checksum Error<br />

COMMAND ABORTED<br />

Wait Security Error<br />

COMMAND ABORTED<br />

Display Command<br />

’X’ & CR & LF<br />

’L’ & CR & LF<br />

"Address = "<br />

"Reading value"<br />

CR & LF<br />

Send Checksum Error<br />

Send Security Error<br />

Bootloader<br />

Complet Frame<br />

<strong>AT89C51ID2</strong><br />

Wait Display Command<br />

Checksum error<br />

RD_WR_SECURITY<br />

Read <strong>Data</strong><br />

All data read<br />

Send Display <strong>Data</strong><br />

All data read<br />

COMMAND FINISHED<br />

133

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!