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Chapter 34 CAN Controller
1.Overview
Chapter 34 CAN Controller
1. Overview
The CAN performs communication according to the CAN protocol version 2.0 part A and B. The bit rate can be
programmed to values up to 1MBit/s. For the connection to the physical layer additional transceiver hardware
is required.
■ The CAN implements the following features:
• Supports CAN protocol version 2.0 part A and B
• Bit rates up to 1 MBit/s
• 32 (up to 128) Message Objects
• Each Message Object has its own identifier mask
• Programmable FIFO mode (concatenation of Message Objects)
• Maskable interrupt
• Disabled Automatic Retransmission mode for Time Triggered CAN applications
• Programmable loop-back mode for self-test operation
■ This chapter uses the following terms and abbreviations.
Term Meaning
CAN Controller Area Network
BSP Bit Stream Processor
BTL Bit Timing Logic
CRC Cyclic Redundancy Check
DLC Data Length Code
EML Error Management Logic
FSM Finite State Machine
TTCAN Time Triggered CAN