P82C150 Technical Summary

Overview

The P82C150 is a highly integrated CAN (Controller Area Network) controller designed for use in automotive and industrial applications. It provides a robust and flexible solution for serial communication in harsh environments. The device supports the CAN 2.0B protocol, offering both standard (11-bit) and extended (29-bit) identifier frames. Its advanced features make it suitable for complex network architectures requiring reliable data transmission.

Features

• Compliant with CAN 2.0B specification, supporting both standard and extended frames.
• Integrated CAN controller with full CAN functionality.
• High-speed operation with a maximum baud rate of 1 Mbps.
• Flexible I/O functions with configurable registers.
• Built-in initialization and reset functionality for reliable startup.
• Low-power consumption modes for energy-efficient applications.
• Robust ESD protection for enhanced reliability in harsh environments.
• Wide operating voltage range, compatible with 3.3V and 5V systems.

Applications

The P82C150 is widely used in applications requiring reliable serial communication, including:

• Automotive Systems: Engine control units, transmission systems, and body electronics.
• Industrial Automation: PLCs, sensors, and actuator networks.
• Medical Devices: Patient monitoring systems and diagnostic equipment.
• Consumer Electronics: Home automation and smart appliances.
• Telecommunications: Network infrastructure and data logging systems.

Electrical Characteristics

Absolute Maximum Ratings

• Supply Voltage (V_CC): -0.5V to +7.0V
• Input Voltage (V_IN): -0.5V to V_CC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -65°C to +150°C

Recommended Operating Conditions

• Supply Voltage (V_CC): 4.5V to 5.5V
• Operating Temperature: -40°C to +85°C
• Input High Voltage (V_IH): 2.0V (min) at V_CC = 4.5V
• Input Low Voltage (V_IL): 0.8V (max) at V_CC = 4.5V

DC Characteristics

• Supply Current (I_CC): 10mA (typical) at 5V, 1Mbps
• Input Leakage Current (I_IN): ±1µA (max)
• Output Low Voltage (V_OL): 0.4V (max) at I_OL = 4mA
• Output High Voltage (V_OH): 2.4V (min) at I_OH = -2mA

Package Information

Pinning Configuration

The P82C150 is available in a 28-pin DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package. Below is the pin description:

• Pin 1 (V_SS): Ground reference.
• Pin 2 (XTAL1): Crystal oscillator input or external clock input.
• Pin 3 (XTAL2): Crystal oscillator output.
• Pin 4 (RESET): Active-low reset input.
• Pin 5 (CS): Chip select input.
• Pin 6 (RD): Read strobe input.
• Pin 7 (WR): Write strobe input.
• Pin 8 (AD0-AD7): Multiplexed address/data bus.
• Pin 9 (ALE): Address latch enable.
• Pin 10 (INT): Interrupt output.
• Pin 11 (CLKOUT): Clock output.
• Pin 12 (TX0): CAN transmit output 0.
• Pin 13 (TX1): CAN transmit output 1.
• Pin 14 (RX0): CAN receive input 0.
• Pin 15 (RX1): CAN receive input 1.
• Pin 16 (V_CC): Supply voltage.

Mechanical Dimensions

• DIP-28: 36.32mm x 10.16mm (length x width).
• SOIC-28: 17.9mm x 7.5mm (length x width).

Functional Description

I/O Functions

The P82C150 features configurable I/O functions, allowing flexible interfacing with microcontrollers and peripherals. The device includes dedicated registers for I/O control, enabling customization of input/output behavior.

CAN Functions

The integrated CAN controller supports both standard (11-bit) and extended (29-bit) identifier frames, providing compatibility with a wide range of CAN networks. The controller includes error detection, fault confinement, and automatic retransmission for reliable communication.

Initialization and Reset

The P82C150 requires proper initialization before operation. This includes setting the baud rate, configuring the acceptance filters, and enabling interrupts. The device supports hardware reset via the RESET pin and software reset through register configuration.

Conclusion

The P82C150 is a versatile and reliable CAN controller suitable for demanding applications in automotive, industrial, and consumer electronics. Its robust feature set, flexible I/O configuration, and compliance with CAN 2.0B make it an excellent choice for designers seeking a high-performance communication solution.