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Overview

SmartDV’s SAE J2716 SENT Sensor IP is a silicon-proven, fully featured Single Edge Nibble Transmission solution purpose-built for automotive smart sensor SoC designs requiring reliable, high-resolution sensor data transmission to ECU controllers. Fully compliant with SAE J2716 APR2016, it delivers complete SENT transmitter functionality with support for all fast channel data frame formats, Short and Enhanced Serial Message formats, and a comprehensive error detection suite — making it a production-ready sensor-side SENT implementation for pressure, temperature, position, and other smart sensor designs in demanding automotive applications.

Designed as the natural sensor-side complement to a SENT ECU controller, the IP supports both 4-bit and 6-bit CRC with alternative CRC calculation, configurable fast channel data widths from 12 to 16 bits, programmable nibble pulse and pause pulse periods, and extended pause pulse support. Its interrupt-driven error detection and serial message reception completion notification give automotive smart sensor teams a production-tested, spec-complete SENT transmitter that supports the widest range of SENT sensor configurations with minimal software overhead.

Built for design flexibility and silicon efficiency, the IP core is highly configurable for both ASIC and FPGA implementations, with a strong focus on area optimization, power management, and peak performance. Its parameterized architecture, programmable clock frequency, and clean host interface enable fast integration and confident design bring-up across a wide range of automotive sensor process nodes and target applications.

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SAE J2716 Sensor
Key Features
  • Full SAE J2716 SENT Sensor Functionality – Complete SENT transmitter implementation per SAE J2716 APR2016 with programmable clock frequency and configurable nibble pulse period from 12 to 27 clock ticks
  • All Fast Channel Data Frame Formats – Two 12-bit channels, one 12-bit channel, high-speed, secure sensor, single sensor, 14-bit/10-bit split, and 16-bit/8-bit split configurations for complete fast channel coverage
  • Short and Enhanced Serial Message Support – Both Short Serial Message Format and Enhanced Serial Message Format with 12-bit data/8-bit ID and 16-bit data/4-bit ID configurations
  • Flexible CRC Support – Both 4-bit and 6-bit CRC with alternative CRC calculation for broad SENT sensor ecosystem compatibility
  • Configurable Pause Pulse – Pause pulse length from 12 to 768 clock ticks with extended pause pulse support up to 3333 clock ticks for flexible inter-frame timing
  • Comprehensive Error Detection – Calibration, nibble length, frame CRC, status nibble CRC, pause length, short serial start bit, and unique pattern error detection for robust sensor-side fault management
  • Interrupt-Driven Operation – Interrupts for all error types and serial message reception completion for efficient, event-driven sensor integration
Compliance and Compatibility
  • Fully compliant with SAE J2716 APR2016 SENT specification
  • Configurable SoC interface supporting AMBA AXI, AHB, APB, and custom wrappers for seamless integration
  • Compatible with ASIC and FPGA design flows across leading foundry process nodes
  • Compatible with all major EDA synthesis, simulation, and linting flows

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