---
# System prepended metadata

title: Regular Meeting (2022.6.20)
tags: [Regular Meeting, DeWei]

---

# Regular Meeting (2022.6.20)

* ~~Compared resource consumption between *zedboard* and *nexys*~~
* Investigated resource consumption of *SiTCP*
* About CDCFE Test Board

## Investigated resource consumption of *SiTCP*

* [Project repository](https://github.com/BeeBeansTechnologies/SiTCP_Sample_Code_for_AC701_RGMII)
* Nexys
  * ![](https://i.imgur.com/hDRPjN8.png)
* ZedBoard
  * ![](https://i.imgur.com/Qpw7f3H.png)

RAM Resource?????????

![](https://i.imgur.com/DisFgPE.png)

* Red: Last week we compared
* Green: Correct RAM resource of Nexys

## 2 About CDCFE Test Board

### 2.1 Understang ehternet PHY and MAC

* Eth: Realtek RTL8211E
  * ![](https://i.imgur.com/OgMfeeh.png)
  * ![](https://i.imgur.com/dOgRaNK.png)
* So *SiTCP* select *RGMII* to download
* RGMII vs SGMII
  * SGMII (Serial gigabit media-independent interface )
    * ![](https://i.imgur.com/jUTz02z.png)
  * RGMII (Reduced gigabit media-independent interface )
    * ![](https://i.imgur.com/jcgrMzc.png)
  * Refer to [here](https://en.wikipedia.org/wiki/Media-independent_interface)

### 2.2 Problem when I build

![](https://i.imgur.com/Q2q7mDx.png)
Maybe version of SiTCP
Original code [1.0] -> now repository [1.1]

###### tags: `Regular Meeting` `DeWei`