RT1176 MAC availablity

[BVJ2Vs]

Hi,

I am going through the @RT1176 I need confirmation on following points

1. Is MAC is connected to Core M7 and M4 ?
2. What is the difference in PTP explained in ENET/ENET_1G and ENET_QoS ?
3. can able to access 3 ethernet interface ( ENET, ENET_1G, ENET_QoS ) simultaneously ?
4. In RMII mode PTP will work or not in the manual it is specifically mentioned MII and RGMII ?

Thanks in advance

[gangcai]

你好，我们现在遇到一个问题，参照官方的开发板设计，ENET使用的也是KSZ8081，唯一变化的是复位采用的是另外的管脚进行的复位，现在问题是KSZ8081可以LINK UP，但是不能进行数据通信，我们设置RT1176和电脑端同时发送数据，测试KSZ8081的TX和RX，发现TX端没有信号，RX端有信号，请问，我改了复位管脚后，在SDK里面还需要做什么样的改变呢？

[danielchen]

Hi 

For Q1, please refer to the RT1170 Bus Diagram .  1G Ethernet and 10/100M Ethernet connect to M7 and M4 through XB_PER and XB_LPSR.

Regards

Daniel

[BVJ2Vs]

Hi,

ENET_QoS is also connected to both Cortex M7 and M4 right ?

RT 1176 is having 3 MAC right ?

[danielchen]

Hi @BVJ2Vs 

Yes, ENET_QoS connected to both CM7 and CM4.

RT1176 has 3 MACs, 2 Gigabit Ethernet controller and 1 10M/100M Ethernet Controller. Please refer to the reference manual.

Regards

Daniel