CAN Bus & 825CAN

Each module of the M4KCAN (Controller Area Network) contains up to six channels, each containing 256 bytes of dual-port RAM for Data Blocks and control registers. All Data Blocks and control registers are memory mapped, and may be accessed in real time.
The M4KCAN modules support the standard and extended message frames in CAN Specification 2.0 part B. They have the capability to transmit, receive, and perform message filtering on extended message frames with a 29-bit message identifier. Due to the backwardly compatible nature of CAN Specification 2.0B, the M4KCAN also fully supports the standard message frames in CAN Specification 2.0 part A.

The M4K825CAN is an intelligent multichannel ARINC 825 (CAN bus) interface module for the multiprotocol Excalibur 4000 family of carrier boards. The module supports up to ten ARINC-825 channels. In receive mode, the module stores all or selected messages with status and Time Tag information appended to each message. In transmit mode, the module operates via a transmit Bandwidth Frame which allows scheduling of data transmissions and reduces the need for host computer intervention.

 Introduction to ARINC-825:

PCI Express

The EXC-4000PCIe/xx card for the PCI Express bus support up to twenty four CAN Bus channels using the M4KCAN module and up to forty ARINC-825 channels using the M4K825CAN module.

PCI

The EXC-4000PCI/xx card for the PCI bus support up to twenty four CAN Bus channels using the M4KCAN module and up to forty ARINC-825 channels using the M4K825CAN module .

cPCI

The EXC-4000cPCI/xx card for Compact PCI systems support up to twenty four CAN Bus channels using the M4KCAN module and up to forty ARINC-825 channels using the M4K825CAN module .

PC/104 Plus

The EXC-4000P104Plus/xx card for PC/104 Plus systems support up to twelve CAN Bus channels using the M4KCAN module.

VME / VXI

The EXC-4000VME/xx and EXC-4000VXI/xx cards for VME & VXI systems support up to forty eight CAN Bus channels using the M4KCAN module.
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