Download 82C900 User`s Manual

82C900
Standalone TwinCAN Controller
Communication via the SSC
Table 2-3
Single Write Access
Action Host action
1
Device action
Activation of the SLS output signal to
indicate the start of a new
communication sequence.
As soon as the falling edge of the SLS
input signal has been detected, output
RDY becomes active (1), indicating
that the Standalone TwinCAN device
is ready for data exchange.
2
The desired address (A) and the write- indication bit (1) have to be prepared
and the transmission of the first byte is
started as soon as RDY=1 has been
detected.
3
-
4
Reception of a byte with an undefined After complete reception of the
value.
transferred byte, the write-indication
and the seven address bits (A) are
stored.
Output RDY is set to indicate that the
next byte can be transferred.
5
The transmission of the data byte to be written is started as soon as RDY=1
has been detected.
User’s Manual
The detection of the first clock edge for
the current byte transfer resets output
RDY.
2-14
V1.0D2, 2000-12