The NXP SJA1000T is a high-performance stand-alone Controller Area Network (CAN) controller that facilitates efficient communication among microcontrollers and devices without a host computer. It is designed to implement the CAN protocol version 2.0B which allows for extensive data communication with minimal loading of the host microcontroller.
Key Features
- Protocol Version: Compliant with CAN specifications version 2.0B, the SJA1000T is capable of handling extended frames with a flexible data-rate for transmission and reception.
- Bit Rates: It supports programmable bit rates up to 1 Mbit/s, allowing for high-speed data transfer that is essential for real-time applications.
- Operating Modes: The device offers several modes of operation including normal, sleep, and listen-only modes, providing versatility in managing power consumption and network monitoring.
- Error Handling: Enhanced error confinement capabilities ensure robust communication by detecting and handling errors effectively.
- Message Filtering: Dual acceptance filters give the user flexibility in managing incoming messages and reducing the load on the microcontroller.
- Interface: An SPI interface is available for easy connection to most microcontrollers, and an 8-bit parallel interface for direct microcontroller connectivity.
Applications
The SJA1000T is widely used in automotive and industrial applications due to its reliability in environments that require high-speed and secure data communication. It is suitable for:
- Automotive networks such as in-vehicle networks for engine control units, body control modules, and sensor data communication.
- Industrial automation systems where distributed control or real-time data collection is needed.
- Medical equipment requiring reliable and secure communication between devices.
Technical Specifications
| Parameter |
Value |
| Supply Voltage |
4.5V to 5.5V |
| Temperature Range |
-40°C to +85°C |
| Package |
P-LCC-28 |
For more detailed information, refer to the SJA1000T datasheet.