Overview
The SJA1000T/N1,112 is a stand-alone Controller Area Network (CAN) controller produced by NXP USA Inc. It is designed for use in automotive and general industrial environments, serving as a successor to the PCA82C200 CAN controller from Philips Semiconductors. This component supports both the BasicCAN mode and the enhanced PeliCAN mode, which complies with the CAN 2.0B protocol specification.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | SJA1000T/N1,112 |
| Description | IC STAND-ALONE CAN CTRLR 28-SOIC |
| Package / Case | 28-SOIC |
| Voltage - Supply | 4.5 V ~ 5.5 V |
| Current - Supply | 15 mA |
| Operating Temperature | -40°C ~ 125°C |
| Interface | Parallel |
| Protocol | CAN 2.0 |
| Bit Rate | Up to 1 Mbits/s |
Key Features
- Pin and electrical compatibility with the PCA82C200 stand-alone CAN controller
- Supports CAN 2.0B protocol with 11-bit and 29-bit identifiers
- Extended receive buffer (64-byte FIFO)
- PeliCAN mode extensions including error counters, programmable error warning limit, last error code register, and error interrupt
- Single-shot transmission and listen-only mode
- Hot plugging support with software-driven bit rate detection
- Acceptance filter extension (4-byte code, 4-byte mask)
- Reception of ‘own’ messages (self-reception request)
- 24 MHz clock frequency
- Programmable CAN output driver configuration
Applications
The SJA1000T/N1,112 is widely used in various automotive and industrial applications, including:
- Automotive systems for vehicle networking
- Industrial control systems requiring reliable communication
- Embedded systems that need CAN bus interface
- Automotive diagnostics and monitoring systems
Q & A
- What is the primary function of the SJA1000T/N1,112?
The SJA1000T/N1,112 is a stand-alone Controller Area Network (CAN) controller used for communication in automotive and industrial environments.
- What protocols does the SJA1000T/N1,112 support?
The component supports the CAN 2.0B protocol with both 11-bit and 29-bit identifiers.
- What are the key features of the PeliCAN mode?
PeliCAN mode includes features such as error counters, programmable error warning limit, last error code register, error interrupt, single-shot transmission, and listen-only mode.
- What is the operating temperature range of the SJA1000T/N1,112?
The operating temperature range is -40°C to 125°C.
- What is the maximum bit rate supported by the SJA1000T/N1,112?
The maximum bit rate supported is up to 1 Mbits/s.
- How does the acceptance filter work in the SJA1000T/N1,112?
The acceptance filter uses a 4-byte code and 4-byte mask to filter incoming messages.
- Can the SJA1000T/N1,112 support hot plugging?
Yes, it supports hot plugging with software-driven bit rate detection.
- What is the purpose of the receive buffer in the SJA1000T/N1,112?
The receive buffer stores received and accepted messages from the CAN-bus line, with a capacity of 64 bytes.
- How does the component interface with microprocessors?
The SJA1000T/N1,112 interfaces to a variety of microprocessors through a parallel interface.
- What is the significance of the 24 MHz clock frequency?
The 24 MHz clock frequency is used for the internal operations of the CAN controller.
- Can the CAN output driver configuration be programmed?
Yes, the CAN output driver configuration can be programmed according to the application requirements.
