Figure 16-1. Sequential Read Operation
Stop Command
MCMD
MDAT
Command Response
Command Response
Data Stream
Data Transfer Operation
Data Stop Operation
Figure 16-2. (Multiple) Block Read Operation
Stop Command
MCMD
MDAT
Command Response
Command Response
Data Block CRC Data Block CRC Data Block CRC
Block Read Operation
Data Stop Operation
Multiple Block Read Operation
As shown in Figure 16-3 and Figure 16-4 the data write operation uses a simple busy signalling
of the write operation duration on the data line (MDAT).
Figure 16-3. Sequential Write Operation
Stop Command
MCMD
MDAT
Command Response
Command Response
Data Stream
Busy
Data Transfer Operation
Data Stop Operation
Figure 16-4. (Multiple) Block Write Operation
Stop Command
MCMD
MDAT
Command Response
Command Response
Data Block CRC Status Busy
Data Block CRC Status Busy
Data Stop Operation
Block Write Operation
Multiple Block Write Operation
Figure 16-5. No Response and No Data Operation
MCMD
MDAT
Command
Command Response
No Response Operation
No Data Operation
84
AT89C5132
4173E–USB–09/07
ATMEL [ ATMEL ]
