4 classifying can controller registers, Classifying can controller registers – FUJITSU F2MCTM-16LX User Manual
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CHAPTER 21 CAN CONTROLLER
21.4
Classifying CAN Controller Registers
There are 3 types of CAN controller registers;
• Overall control registers
• Message buffer control registers
• Message buffers
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Overall Control Registers
The overall control registers are the following 4 registers;
•
Control status register (CSR)
•
Last event indicator register (LEIR)
•
Receive and transmit error counter (RTEC)
•
Bit timing register (BTR)
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Message Buffer Control Registers
The message buffer control registers are the following 14 registers;
•
Message buffer valid register (BVALR)
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IDE register (IDER)
•
Transmission request register (TREQR)
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Transmission RTR register (TRTRR)
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Remote frame receiving wait register (RFWTR)
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Transmission cancel register (TCANR)
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Transmission complete register (TCR)
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Transmission interrupt enable register (TIER)
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Reception complete register (RCR)
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Remote request receiving register (RRTRR)
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Receive overrun register (ROVRR)
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Reception interrupt enable register (RIER)
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Acceptance mask select register (AMSR)
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Acceptance mask registers 0 and 1 (AMR0 and AMR1)
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Message Buffers
The message buffers are the following 3 registers;
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ID register x (x = 0 to 15) (IDRx)
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DLC register x (x = 0 to 15) (DLCRx)
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Data register x (x = 0 to 15) (DTRx)