Ethereum MCO

1. It is suggested that you handle foreign exchange business through banking channels. At present, our bank has carried out foreign exchange firm offer business“ "Indivial firm offer foreign exchange trading" refers to the customer's spot foreign exchange trading operation according to the foreign exchange rate issued by China Merchants Bank. Generally speaking, it refers to the operation that indivial customers entrust China Merchants Bank to convert one foreign currency into another within the scope of convertible currency
our bank's "indivial foreign exchange firm offer trading" can be opened through online banking, mobile banking, counter and other channels, and the opening takes effect in real time without charge. For details, please call the customer service hotline or log in to "online customer service".

2. Specific configuration process:
1. Open stm32cubemx and select the corresponding chip. The chip in this paper is stm32f207vct6. After selection, it is shown in the following figure:

2. Configure RCC clock, ETH, PA8 and enable LwIP
as the hardware of our development board is RMII mode, eth-rmii is selected. If you have a development board in MII mode, please refer to the configuration method of MII. This is only for RMII
RCC selects an external clock source and checks mco1. The software will automatically configure PA8 to mco1 mode. This pin is very important for RMII mode and is used to provide 50MHz clock for PHY chip.