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DM504 Datasheet(PDF) 163 Page - Texas Instruments |
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DM504 Datasheet(HTML) 163 Page - Texas Instruments |
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163 / 211 page  163 DM504 www.ti.com SPRS977A – NOVEMBER 2016 – REVISED JANUARY 2017 Submit Documentation Feedback Detailed Description Copyright © 2016–2017, Texas Instruments Incorporated For more information, see section Multichannel Audio Serial Port in chapter Serial Communication Interfaces of the device TRM. 6.10.11 DCAN The Controller Area Network (CAN) is a serial communications protocol which efficiently supports distributed real-time applications. CAN has high immunity to electrical interference and the ability to self- diagnose and repair data errors. In a CAN network, many short messages are broadcast to the entire network, which provides for data consistency in every node of the system. The device supports: • One DCAN module, referred to as DCAN1 The DCAN interface implements the following features: • Supports CAN protocol version 2.0 part A, B • Bit rates up to 1 MBit/s • 64 message objects in a dedicated message RAM • Individual identifier mask for each message object • Programmable FIFO mode for message objects • Programmable loop-back modes for self-test operation • Suspend mode for debug support • Automatic bus on after Bus-Off state by a programmable 32-bit timer • Message RAM single error correction and double error detection (SECDED) mechanism • Direct access to message RAM during test mode • Support for two interrupt lines: Level 0 and Level 1, plus separate ECC interrupt line • Local power down and wakeup support • Automatic message RAM initialization • Support for DMA access For more information, see section DCAN in chapter Serial Communication Interfaces of the device TRM. 6.10.12 MCAN The Controller Area Network (CAN) is a serial communications protocol which efficiently supports distributed real-time control with a high level of security. CAN has high immunity to electrical interference and the ability to self-diagnose and repair data errors. In a CAN network, many short messages are broadcast to the entire network, which provides for data consistency in every node of the system. The MCAN module supports both classic CAN and CAN FD (CAN with Flexible Data-Rate) specifications. CAN FD feature allows high throughput and increased payload per data frame. The classic CAN and CAN FD devices can coexist on the same network without any conflict. The MCAN module implements the following features: • Conforms with ISO 11898-1:2015 • Full CAN FD support (up to 64 data bytes) • AUTOSAR and SAE J1939 support • Up to 32 dedicated Transmit Buffers • Configurable Transmit FIFO, up to 32 elements • Configurable Transmit Queue, up to 32 elements • Configurable Transmit Event FIFO, up to 32 elements • Up to 64 dedicated Receive Buffers • Two configurable Receive FIFOs, up to 64 elements each • Up to 128 filter elements |
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