MC68HC12 MOTOROLA [Motorola, Inc], MC68HC12 Datasheet - Page 346
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
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MSCAN Controller
18.12 Programmer’s Model of Message Storage
Technical Data
346
The following section details the organization of the receive and transmit
message buffers and the associated control registers. For reasons of
programmer interface simplification the receive and transmit message
buffers have the same outline. Each message buffer allocates 16 bytes
in the memory map containing a 13 byte data structure. An additional
transmit buffer priority register (TBPR) is defined for the transmit buffers.
Figure 18-11. Message Buffer Organization
Address
MSCAN Controller
1. x is 4, 5, 6, or 7 depending on which buffer RxFG,
2. Not applicable for receive buffers
01xC
01xD
01x1
01x2
01x3
01x4
01x5
01x6
01x7
01x8
01x9
01xA
01xB
01xE
01xF
01x0
Tx0, Tx1, or Tx2 respectively.
(1)
Transmit buffer priority register
Data segment register 0
Data segment register 1
Data segment register 2
Data segment register 3
Data segment register 4
Data segment register 5
Data segment register 6
Data segment register 7
Data length register
Identifier register 1
Identifier register 2
Identifier register 3
Identifier register 0
Register name
Unused
Unused
MC68HC912DT128A — Rev 4.0
(2)
MOTOROLA
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