MC912DG128A Motorola, MC912DG128A Datasheet - Page 271

• Manufacturer Part Number: MC912DG128A
• Description: Microcontrollers
• Manufacturer: Motorola

Message Storage
Background
3-mscan12
MOTOROLA
msCAN12 facilitates a sophisticated message storage system which
addresses the requirements of a broad range of network applications.
Modern application layer software is built upon two fundamental
assumptions:
Above behavior can not be achieved with a single transmit buffer. That
buffer must be reloaded right after the previous message has been sent.
1. Any CAN node is able to send out a stream of scheduled
2. The internal message queue within any CAN node is organized
messages without releasing the bus between two messages.
Such nodes will arbitrate for the bus right after sending the
previous message and will only release the bus in case of lost
arbitration.
such that if more than one message is ready to be sent, the
highest priority message will be sent out first.
CAN station 1
CAN system
MSCAN Controller
TxCAN
Transceiver
msCAN12
Controller
Figure 41 The CAN System
RxCAN
CAN station 2
CAN
MC68HC912DT128A Rev 2.0
.....
CAN station n
MSCAN Controller
Message Storage
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