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| 供应商 | CAST |
|---|---|
| 型号 | CAN 2.0, CAN FD, & CAN XL Bus Controller Core |
| 类型 | Soft IP |
| 到期日 | In Production |
| 源网址 | View more |
| 特征 | CAN Specifications: CAN 2.0A & 2.0B (ISO 11898:2003), CAN-FD (ISO 11898-1:2015), and CAN-XL (CiA 610-1). CAN-FD and CAN-XL support is optional. Enhanced Functionality Error Analysis features enabling diagnostics, system maintenance and system optimization Last error type capture Arbitration lost position capture Programmable Error Warning Limit Listen-Only Mode enables CAN bus traffic analysis and automatic bit-rate detection Loop back mode for self-testing Time-stamping support, compliant to CiA's 603 specification Optional ECC memories support Flexible Message Buffering and Filtering Configurable number of receive buffers, 2 to 31 One high-priority transmit buffer Configurable number of lower-priority transmit buffers, 0 to 16 Configurable number of independently programmable 29-bit acceptance filters, 1 to 16 Easy to Use and Integrate Programmable data rate up to 1 Mbit/s with CAN 2.0 and several Mbit/s with CAN-FD option Programmable baud rate prescaler. 1/2 up to 1/256 Single Shot Transmission Mode for lower software overhead and fast reloading of transmit buffer Programmable interrupt sources Generic 8-bit host-controller interface and optional 32-bit AMBA-APB or 32-bit AHB-Lite Safety-Enhanced, ISO-26262 Versions: ASIL-B Ready (off-the-shelf), and ASIL-C (on request) Zero Risk Verified with the Bosch reference model Link to commercial bus drivers (e.g. PCA82C250T by Philips) Multiple times production proven Efficient and Portable Design Available in RTL, and portable to ASIC and FPGA technologies |
| 详情页 | View more |
| 附件链接 | View more |
Implements a CAN protocol bus controller that performs serial communication according to CAN 2.0, CAN FD, and CAN CL specifications. It supports the original Bosch protocol and ISO specifications as defined in ISO 1989￠￠?￠?? including time-triggered operation (TTCAN) as specified in ISO 19898-4￠￠?￠?? and is also optimized to support the popular AUTOSAR and SAE J1939 specifications.
The CAN protocol uses a multi-master bus configuration for the transfer of frames between nodes of the network and manages error handling with no burden on the host processor. The core enables the user to set up economic and reliable links between various components. It appears as a memory-mapped I/O device to the host processor, which accesses the CAN core to control the transmission or reception of frames.
The CAN core is easy to use and integrate, featuring programmable interrupts, data and baud rates; a configurable number of independently programmable acceptance filters; and a generic processor interface or optionally an AMBA APB, or AHB-Lite interface. It implements a flexible buffering scheme, allowing fine-tuning of the core size to satisfy the requirements of each specific application.
The number of receive buffers is synthesis-time configurable. Two types of transmit buffers are implemented: a high-priority primary transmit buffer (PTB) and a lower-priority secondary transmit buffer (STB). The PTB can store one message, while the number of included buffer slots for the STB is synthesis-time configurable 0 to 16 slots.
The core implements functionality similar to the Philips SJA1000 working with its PeliCAN mode extensions, providing error analysis, diagnosis, system maintenance, and optimization features.
The CAN-CTRL is available in two versions: Normal, and Safety-Enhanced. The Safety-Enhanced version implements ECC for SRAMs protection and uses spatial redundancy for protecting the inner logic of the core. The deliverables for this version include a Safety Manual (SAM), a Failure Modes, Effects and Diagnostics Analysis (FMEDA), and the ISO-26262 ASIL-B Ready certificate, issued by SGS-TU?’< V Saar GmbH. An ASIL-C compatible version can be made available and get certified upon request.
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