GR716A

Status:

Flight Models Available

The GR716A features a fault-tolerant LEON3FT SPARC V8 processor ideally suited for space and other high-rel applications.

Overview

The GR716A is a rad hard microcontroller, featuring a fault-tolerant LEON3 SPARC V8 processor. It includes communication interfaces and on-chip ADC, DAC, Power-on-Reset, Oscillator, Brown-out detection, LVDS transceivers, regulators to support for single 3.3V supply. The GR716A is ideally suited for space and other high-rel applications.

Architecture

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Key Tech Spec

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Target technology support

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Evaluation boards

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Ordering information

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Development Kit

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Licensing

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Software

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Tools

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Block diagram

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Supported Hardware

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Configuration

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Reference Design

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Other resources

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Detailed features

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  • Fault-tolerant SPARC V8 processor with 31 register windows
    • LEON-REX for improved code density
    • Double precision IEEE-754 floating point unit
    • Memory protection units with 8 zones and individual access control of peripherals
    • Deterministic software execution and non-intrusive debugging
    • Fast context switching (PWRPSR, AWP, register partitioning, interrupt mapping, SVT, MVT)
    • Interrupt zero jitter delay
    • Non-intrusive advanced on-chip debug support unit with trace buffers and statistics
  • External EDAC Memoy: 8-bit PROM/SRAM, SPI, I2C
  • SpaceWire interface with time distribution support, 100 Mbps
  • MIL-STD-1553B interface
  • 2x CAN 2.0B controller interface
  • PacketWire with CRC acceleration support
  • Programmable PWM interface
  • SPI with SPI-for-Space protocols
  • UARTs, I2C, GPIO, Timers with Watchdog
  • Interrupt controller, Status registers, etc.
  • Dual ADC 11bits @ 200Ksps, 4 differential or 8 single ended
  • DAC 12bits @ 3Msps, 4 channels
  • Mixed General purpose inputs and outputs
  • Power-on-Reset and Brown-out-detection
    Temperature sensor, Integrated PLL
  • On-chip regulator for 3.3V single supply

Integrated Analog functions:

  • Dual 11 bits 200KS/s SAR ADC with Pre-amplifier
  • 12 bit 3.75MS/s Rad Hardened DAC
  • Rad Hardened PLL
  • Crystal Oscillator
  • Power On System Reset
  • 1.8V and 3.3V voltage monitors
  • GPIO with local Power on Control
  • LVDS transceivers with build-in reference Rad Hardened voltage and current reference
  • Rad Hardened Low-drop regulators for single supply support
  • Rad Hardened external voltage references
  • Rad Hardened high density RAM with EDAC protection

Memory support:

  • 192KiB EDAC protected tightly coupled memory with single cycle access from processor and ATOMIC bit operations
  • Embedded ROM with bootloader for initializing and remote access
  • Dedicated SPI Memory interface with boot ROM capability
  • I2C memory interface with boot ROM capability
  • 8-bit SRAM/ROM I/F with support up to 16MiB ROM and 32MiB SRAM
  • Scrubber with programmable scrub rate for all embedded memories and external PROM/SRAM and SPI memories
  • Redundant boot memory (PROM/SRAM/SPI/I2C/NVRAM)
  • Application software container for checking software integrity using CRC
  • Boot from internal SRAM, external PROM/FLASH/SRAM/SPI/I2C memory

Downloads

File

Category

Revision

Date

Access

GR716A product brief

Product brief

1

2023-06-01

Free download

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GR716A Data Sheet and User's Manual

Data sheet and user's manual

3.2

2022-11-30

Free download

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Draft Standard of SPI protocol(s) for space

Technical specification

1

2017-11-24

Free download

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GR716B-COMP-1: Comparison Between GR716A and GR716B CQFP-132 package

Application note

1.2

2024-08-26

Free download

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GRLIB-TN-0001: LEON-REX Instruction Set Extension

Technical note

1.1

2016-05-27

Free download

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Frequently asked questions

What is SPI for Space?
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