코딩과 사진과 음악과 그리고 여행을 좋아하는 공간

KT AI-MAKER_KET 구성품은 다음과 같다.

가장 중요한 Raspberry Pi 3B(3B+를 권장하지만, 본인은 3B를 보유).

그 Spec은 다음과 같다.

https://www.raspberrypi.org/products/raspberry-pi-3-model-b/

Specification

The Raspberry Pi 3 Model B is the earliest model of the third-generation Raspberry Pi. It replaced the Raspberry Pi 2 Model B in February 2016. See also the Raspberry Pi 3 Model B+, the latest product in the Raspberry Pi 3 range.

• Quad Core 1.2GHz Broadcom BCM2837 64bit CPU
• 1GB RAM
• BCM43438 wireless LAN and Bluetooth Low Energy (BLE) on board
• 100 Base Ethernet
• 40-pin extended GPIO
• 4 USB 2 ports
• 4 Pole stereo output and composite video port
• Full size HDMI
• CSI camera port for connecting a Raspberry Pi camera
• DSI display port for connecting a Raspberry Pi touchscreen display
• Micro SD port for loading your operating system and storing data
• Upgraded switched Micro USB power source up to 2.5A

BCM2837을 Main Core로 사용하고 있다. BCM2837의 Spec은 다음과 같다.

http://jake.dothome.co.kr/raspberry-hw/

• SoC: BCM2837
  • Silicon die: BCM2710
  • ARM Core
    • CPU Family: ARM Coretex-A53 (64bit ARMv8-A 아키텍처)
    • Quad-core (1.2Ghz)
    • Spupport 40bit physical address
  • GPU Core
    • BCM VideoCore IV @ 300 MHz
  • L1 Cache
    • Instruction Cache
      • 32KB(VIPT, 2 way, 64 bytes per cache line)
    • Data Cache
      • 32KB(PIPT, 4 way, 64 bytes per cache line) with STB(merging STore Buffer)
      • MOESI cache coherent between cores
  • L2 Cache:
    • Unification(I+D) Cache
      • 512KB for ARM(16 way, 64 bytes per cache line)
  •  TLB
    •  micro-TLB
      • micro I-TLB
        • fully-associative 10 entry
      • micro-D-TLB
        • fully-associative 10 entry
    • Unified Main TLB
      • 4-way 512 entry
      • 4-way 64 entry walk cache
      • 4-way 64 entry IPA(Intermediate Physical Address) cache
•  RAM
  • 1GB LPDDR2 (GPU랑 공유)