NXP Semiconductors MC9S12G User Manual

Scalable Controller Area Network (S12MSCANV3)
MC9S12G Family Reference Manual Rev.1.27
604 NXP Semiconductors
18.4.2 Message Storage
Figure 18-39. User Model for Message Buffer Organization
The MSCAN facilitates a sophisticated message storage system which addresses the requirements of a
broad range of network applications.
18.4.2.1 Message Transmit Background
Modern application layer software is built upon two fundamental assumptions:
MSCAN
Rx0
Rx1
CAN Receive / Transmit Engine Memory Mapped I/O
CPU bus
MSCAN
Tx2
TXE2
PRIO
Receiver
Transmitter
RxBG
TxBG
Tx0
TXE0
PRIO
TxBG
Tx1
PRIO
TXE1
TxFG
CPU bus
Rx2
Rx3
Rx4
RXF
RxFG

NXP Semiconductors MC9S12G Specifications

General

Brand	NXP Semiconductors
Model	MC9S12G
Category	Microcontrollers
Language	English