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NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
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Revision V1.30
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5.24.3 Block Diagram
The C_CAN interfaces with the AMBA APB bus. The following figure shows the block diagram of the
C_CAN.
CAN Core
CAN Protocol Controller and Rx/Tx Shift Register for serial/parallel conversion of messages.
Message RAM
Stores Message Objects and Identifier Masks
Registers
All registers used to control and to configure the C_CAN.
Message Handler
State Machine that controls the data transfer between the Rx/Tx Shift Register of the CAN Core and
the Message RAM as well as the generation of interrupts as programmed in the Control and
Configuration Registers.
Module Interface
C_CAN interfaces to the AMBA APB 16-bit bus from ARM.
Figure 5.24-1 CAN Peripheral Block Diagram