S9S12XS256J0CAL Datasheet, PDF (331/738 Pages) Freescale Semiconductor, Inc – Microcontrollers

11.4 Functional Description
Freescale’s Scalable Controller Area Network (S12MSCANV3)
11.4.1 General
This section provides a complete functional description of the MSCAN.
11.4.2 Message Storage
CAN Receive / Transmit Engine
MSCAN
Rx0
Rx1
Rx2
Rx3
Rx4
Receiver
Memory Mapped I/O
RXF
CPU bus
Tx0
TXE0
MSCAN
PRIO
Tx1
TXE1
PRIO
Tx2
TXE2
CPU bus
Transmitter
PRIO
Figure 11-39. User Model for Message Buffer Organization
S12XS Family Reference Manual Rev. 1.13
Freescale Semiconductor
331