ARTERY AT32 MCU CAN Manuals

Manuals and User Guides for ARTERY AT32 MCU CAN. We have 1 ARTERY AT32 MCU CAN manual available for free PDF download: Quick Start Manual

ARTERY AT32 MCU CAN Quick Start Manual

ARTERY AT32 MCU CAN Quick Start Manual (42 pages)

Brand: ARTERY | Category: Computer Hardware | Size: 1 MB

Table of Contents

Table of Contents
2
Introduction to CAN
6
CAN Protocol
7
CAN Bus Topology
7
CAN Bus Physical Layer Features
7
Figure 1 CAN Bus Topology
7
Frame Type
8
Table 1 CAN Frame Types
8
Figure 2 CAN Bus Level Characteristics
8
Figure 3 CAN Frame Structure
9
Frame Structure
10
Bit Stuffing
10
Figure 4 CAN Standard Data Frame
10
Bit Format
11
Table 2 Description of Bit Segments
11
Synchronization Mechanism
12
Figure 5 Normal Bit Timing
12
Arbitration Mechanism
13
Figure 6 Resynchronization Jump
13
CAN Error Handling Mechanism
14
Error Type
14
Figure 7 Arbitration Mechanism
14
Error State
15
Figure 8 CAN Node Error States
15
At32 Can
16
Function Overview
16
Message Transmission
16
Figure 9 AT32 CAN Function Overview
16
Message Reception
17
Figure 10 Message Transmission Process
17
Filter
19
Figure 11 Message Reception Process
19
Figure 12 32-Bit Identifier Mask Mode
20
Figure 13 32-Bit Identifier List Mode
20
Figure 14 16-Bit Identifier Mask Mode
20
Figure 15 16-Bit Identifier List Mode
20
CAN Baud Rate and Sample Point
21
Baud Rate Formula
21
Sample Point Formula
21
Table 3 Sample Point Settings
21
Baud Rate Configuration Tool
22
Figure 16 CAN Bitrate Configuration Tool
22
Application Case 1: CAN Communication in Normal Mode
23
Function
23
Resources
23
Software Design
23
Figure 17 CAN Level Converter Schematics Diagram
23
Test Result
27
Application Case 2: CAN Receive Filter
28
Function
28
Resources
28
Software Design
28
Figure 18 CAN Level Converter Schematics Diagram
28
Test Result
35
Application Case 3: CAN Debugging in Loopback Mode
36
Function
36
Resources
36
Software Design
36
Figure 19 CAN Loopback Mode
36
Test Result
40
Revision History
41
Table 4 Document Revision History
41

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