MPC5748G MII-LITE Dual Ethernet Communication (ENET0 ENET1 working simultaneously)

[liuweiliang]

Problem description ： PHY0 chip corresponding to the ENET0 resource is transmitting normally and the receiver can enter the interrupt but the received data is incorrect.The transmission and reception of the PHY1 chip corresponding to the ENET1 resource is abnormal. Code Reference AN4830 Qorivva Recipes for MPC574xG Code Sample Code for Ethernet Folder。

Hardware：

The MII-Lite interface is defined as follows；

	MPC5748G		PHY0	MPC5748G		PHY1
No.	MODULE	pin	pin	MODULE	pin	pin
1	ENET0	PG13	TXD3	ENET1	PI13	TXD3
2		PG12	TXD2		PH3	TXD2
3		PH0	TXD1		PA10	TXD1
4		PH1	TXD0		PA11	TXD0
5		PH2	TXEN		PI12	TXEN
6		PG1	TXCLK		PE12	TXCLK
7		PE13	RXD3		PB6	RXD3
8		PA7	RXD2		PB7	RXD2
9		PA8	RXD1		PD9	RXD1
10		PA9	RXD0		PD10	RXD0
11		PF15	RXDV		PB5	RXDV
12		PA3	RXCLK		PB11	RXCLK
13		PG0	MDC		PG0	MDC
14		PF14	MDIO		PF14	MDIO

CODE:

[d_bi]

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