MC68HC12 MOTOROLA [Motorola, Inc], MC68HC12 Datasheet - Page 327
MC68HC12
Manufacturer Part Number
MC68HC12
Description
The MC68HC912DT128A microcontroller unit (MCU) is a 16-bit device composed of standard on-chip peripherals including a 16-bit central processing unit
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC12.pdf
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18.4 Message Storage
18.4.1 Background
MC68HC912DT128A — Rev 4.0
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:
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 18-1. The CAN System
RxCAN
CAN station 2
CAN
.....
CAN station n
MSCAN Controller
Message Storage
Technical Data
327
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