CSENT: SENT/SAE J2716 Controller Core

Block Diagram

Solution Type: IP Core

End Market: Automotive, Industrial

Evaluation Method: OpenCore Plus

Technology: Interface Protocols: Serial

Arria Series: Intel® Arria® 10, Arria® V, Intel® Arria® 10 SoC, Arria® V SoC

Cyclone Series: Cyclone® IV, Cyclone® V, Cyclone® V SoC

MAX Series: Intel® MAX® 10

Stratix Series: Stratix® IV, Stratix® V


The CSENT core implements a controller for the Single Edge Nibble Transmission (SENT) protocol. It complies with the SAE J2716 standard and also the industry de-facto standard Short PWM Code (SPC) protocol, and can be used for conveying data from one or multiple sensors to a centralized controller using a single SENT line. The CSENT core can be configured as a Transmitter and/or as a Receiver, and therefore it is suitable for adding a SENT interface to devices transmitting sensor data or to controllers receiving sensor data. It provides access to its control, status, and data registers via a 32-bit APB bus interface, and a comprehensive set of interrupt signals facilitates interrupt-based operation. The core allows for Transmitter operation without requiring any external programming or control. The reset values for all its control registers are defined at synthesis time, and at run time the system only needs to write sensor data to the core.


  • SENT/SAE J2716 Receiver & Transmitter, supports fast and slow channel transmit or receive, and all types of SENT frames
  • Supports Short PWM Code (SPC) protocol. Allows up to four sensors (transmitters) to use the same physical SENT connection
  • Highly programmable via 32-bit APB slave interface. Reports status on registers and on maskable interrupts.
  • Synthesis-time defined reset values for all registers, enables data transmit without control from host processor

Device Utilization and Performance

The CSENT core can be mapped to any Intel FPGA device (provided sufficient silicon resources are available) and optimized to suit the particular project’s requirements. The core occupies approximately 700 ALMs, under its full configuration, and about 280 ALMs when configured as transmitter-only. Please contact CAST to discuss resource utilization and performance for your application and target device.

Getting Started

Contact CAST at info@cast-inc.com to arrange for a core evaluation

IP Quality Metrics

Year IP was first released2016
Latest version of Quartus supported16.1
Altera Customer Use
IP has been successfully implemented in production with at least one customerN

Customer deliverables include the following:

  • Design file (encrypted source code or post-synthesis netlist)
  • Simulation model for ModelSim Altera edition
  • Timing and/or layout constraints
  • Testbench or design example
  • Documentation with revision control
  • Readme file
Parameterization GUI allowing end user to configure IPN
IP core is enabled for OpenCore Plus SupportY
Source language
Testbench languageVerilog
Software drivers providedN
Driver OS supportN/A
User InterfaceOther: 32-bit APB
IP-XACT Metadata includedN
Simulators supportedModelsim, Questa, NCSIM
Hardware validated Y. Altera Board Name DE0 nano
Industry standard compliance testing performed
If No, is it planned?N
IP has undergone interoperability testing
Interoperability reports available  N

Design Solutions Network Members provide products and/or services that are sold or licensed by the Member and not Altera or its affiliates. Altera and its affiliates hereby disclaim any express or implied warranty of any kind including warranties of merchantability, noninfringement of intellectual property, or fitness for any particular purpose with respect to any such products and/or services.