RV32 SoC DS UG
High-Perf RV32 SoC DS UG
RV64 SoC DS UG API and Examples
Embedded IDE UG
  • Sapphire RISC-V SoC Hardware Software UG
  • Introduction
    • VexRiscv RISC-V Core
    • Efinity RISC-V Embedded Software IDE
    • Required Software
    • Required Hardware
  • Install Software and SoC
    • Install the Efinity Software
    • Install the Efinity RISC-V Embedded Software IDE
  • IP Manager
    • Customizing the Sapphire RV32 SoC
    • SoC Configuration Guideline
    • Modify the Bootloader
      • Updating Bootloader with Efinity BRAM Initial Content Updater
  • Program the Board with the Sapphire RV32 RTL Design
    • About the Example Design
    • Enable the On-Board 10 MHz Oscillator (T120 BGA324 Board)
    • Enable the LPDDR4x Memory (Ti180 J484 Board)
    • Installing USB Drivers
    • Program the Development Board
  • Simulate
  • Boot Sequence
    • Boot Sequence: Case A
    • Boot Sequence: Case B
    • Boot Sequence: Case C
    • Booting Multiple Cores
  • Create Your Own RTL Design
    • Target another FPGA
    • Target another Efinix Board
    • Target Your Own Board
    • Create a Custom AXI4 Master Peripheral
    • Create a Custom APB3 Peripheral
    • Use another DDR DRAM Module (Trion Only)
    • Use the I2C Interface for DDR Calibration (Trion only)
    • Remove Unused Peripherals from the RTL Design
  • Create Your Own Software
    • Deploying an Application Binary
      • Boot from a Flash Device
      • Boot from the OpenOCD Debugger
      • Copy a User Binary to Flash (Efinity Programmer)
      • Converting a User Binary to Raw Hex Format (Efinity Programmer)
    • About the Board Specific Package
    • List of Restructured BSP Files
    • Address Map
    • Example Software
      • apb3Demo
      • Axi4Demo Design
      • clintTimerInterruptDemo
      • coremark
      • customInstructionDemo
      • dCacheFlushDemo
      • dhrystone Example
      • FreeRTOS Examples
      • fpuDemo
      • gpioDemo
      • iCacheFlushDemo
      • inlineAsmDemo
      • i2cDemo Example
      • i2cEepromDemo
      • i2cMasterDemo Design
      • i2cMasterInterruptDemo Design
      • i2cSlaveDemo Design
      • memTest Example
      • nestedInterruptDemo
      • semihostingDemo
      • smpDemo
      • spiDemo Example
      • uartEchoDemo
      • UartInterruptDemo Example
      • userInterruptDemo Example
      • userTimerDemo
  • Watchdog Timer
    • Introduction
    • Functional Description
    • Setting Limits for Both Counters
  • Using a UART Module
    • Using the On-board UART (Titanium)
    • Set Up a USB-to-UART Module (Trion)
  • Unified Printf
    • Bsp_print
    • Bsp_printf
    • Bsp_printf_full
    • Semihosting Printing
    • Preprocessor Directives
  • Using a Soft JTAG Core for Example Designs
    • Connect the FTDI Mini-Module
  • Migrating to the Sapphire SoC
    • Migrating to the Sapphire RV32 SoC v2.0 from a Previous Version
    • Migrating Ruby, Jade, and Opal to the Sapphire RV32 SoC
  • Troubleshooting
    • Eclipse Fails to Launch with Exit Code 13
    • Error 0x80010135: Path too long (Windows)
    • Exception in thread "main"
    • Installation Error (2350): Path too long (Windows)
    • Memory Test
    • OpenOCD error code (-1073741515)
    • OpenOCD Error: no device found
    • OpenOCD Error: failed to reset FTDI device: LIBUSB_ERROR_IO
    • OpenOCD Error: target 'fpga_spinal.cpu0' init failed
    • Unexpected CPUTAPID/JTAG Device ID
  • API Reference
    • Control and Status Registers
    • GPIO API Calls
    • I2C API Calls
    • I/O API Calls
    • Core Local Interrupt Timer API Calls
    • User Timer API Calls
    • PLIC API Calls
    • SPI API Calls
    • SPI Flash Memory API Calls
    • UART API Calls
    • RISC-V API Calls
    • Handling Interrupts
  • Inline Assembly
    • Introduction
    • Inline Assembly Syntax
      • Operands
    • RISC-V Registers

Watchdog Timer

  • Introduction
  • Functional Description
  • Setting Limits for Both Counters