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Yup. Title. I’m gonna have to learn how to use confluence.

Communication with Jetson vs SPI/CAN/ETC/WHATEVER WE WANT

  • needs much more research.

  • need to confirm what data is being transferred. Is the camera module being handled by the jetson entirely? are we just getting position from cv? what’s the plan……

Some quick links

RTOS (zp) on Jetson?

CV on RTOS?

  • might have issues ← come back to this.

RPi vs Jetson

Below we find our comparisons between our different device considerations. These are the specs for the device module, not the developer kit.

Benchmark

RPI

Jetson Nano

Jetson Xavier

JEtson TX2

Physical specifications

RPI (RPI4 Model B )

Jetson Nano

Jetson AGX Xavier

Jetson TX2

Power consumption

Can range between 2.56W to 7.30W

Between 5W to 10W

Between 10W to 30W

Between 7.5W to 15W

CPU

  • Broadcom BCM2711B0 quad-core A72 (ARMv8-A) 64-bit @ 1.5GHz

  • Quad-core ARM Cortex-A57 MPCore processor @ 1.43 GHz

  • 8-core Carmel ARM v8.2 64-bit CPU, 8MB L2 + 4MB L3

  • 4-core ARM Cortex-A57 @ 2 GHz and 2-core Denver2 @ 2 GHz

RAM (volatile memory) and Memory storage

  • 2GB, 4GB or 8GB LPDDR4-3200 SDRAM

  • Uses a 4 GB LPDDR4 (Low-Power Double Data Rate) RAM that offers 25.6 GB/s

  • Apparently microSD for the developer kit. 16 GB eMMC 5.1 for the actual module

  • 32GB 256-Bit LPDDR4x | 136.5GB/s

  • 32GB eMMC 5.1

  • Uses a 8 GB 128-bit LPDDR4 RAM that offers 58.3 - 59.7 GB/s

  • 32 GB eMMC 5.1 Flash Storage

GPU

  • Broadcom VideoCore VI

  • NVIDIA Maxwell architecture with 128 NVIDIA CUDA® cores

  • 0.5 TFLOPS (FP16) in terms of AI performance

  • 512-core Volta @ 1.37 GHz

  • 11 TFLOPS (FP16)
    22 TOPS (INT8)

Has tensor cores (64)

  • NVIDIA Pascal™ architecture with 256 NVIDIA CUDA cores

  • 1.3 TFLOPS (FP16) in terms of AI performance

Networking and Display (USB, ethernet, etc.)

  • 2.4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE

  • Gigabit Ethernet

  • 2 USB 3.0 ports; 2 USB 2.0 ports.

  • 2 × micro-HDMI ports (up to 4kp60 supported)

  • Gigabit Ethernet and M.2 Key E

  • HDMI 2.0 and eDP 1.4 (1 HDMI, 1 display port)

  • 4 USB 3.0, 1 USB 2.0 Micro-B

  • Gigabit Ethernet

  • 3 multi-mode DP 1.2/eDP

  • USB 2.0 (4?), 3 USB 3.1

  • 1.4/HDMI 2.0 a/b

  • no wireless - can use usb wifi adapter though

  • USB 3.0 Type A and USB 2.0 Micro AB

  • Has wifi (Connectivity to 802.11ac Wi-Fi and Bluetooth-Enabled Devices)

  • Gigabit Ethernet and M.2 Key E

  • 2 multi-mode DP 1.2/eDP

  • 1.4/HDMI 2.0

  • 2 x4 DSI (1.5Gbps/lane)

Supported communication interfaces

GPIOs

Supports GPIO, I2C, I2S, SPI, UART

Supports UART, SPI, CAN, I2C, I2S, DMIC & DSPK, GPIOs

Supports GPIOs, I2C, I2S, SPI, CAN, and TTL UART with flow control

Cost

Starting from $35 (increases depending on RAM)

$149

$999

Starting at $299

Jetson TX2 NX is $199 but is smaller and has less RAM.

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