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STM32F415RG 데이터시트(PDF) 176 Page - STMicroelectronics |
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STM32F415RG 데이터시트(HTML) 176 Page - STMicroelectronics |
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176 / 186 page ![]() Application block diagrams STM32F415xx, STM32F417xx 176/186 DocID022063 Rev 4 Figure 92. RMII with a 25 MHz crystal and PHY with PLL 1. fHCLK must be greater than 25 MHz. 2. The 25 MHz (PHY_CLK) must be derived directly from the HSE oscillator, before the PLL block. MCU Ethernet MAC 10/100 Ethernet PHY 10/100 PLL HCLK XT1 PHY_CLK 25 MHz RMII_RXD[1:0] RMII_CRX_DV RMII_REF_CLK RMII_TX_EN RMII_TXD[1:0] MDIO MDC HCLK(1) STM32F TIM2 Timestamp comparator Timer input trigger IEEE1588 PTP RMII = 7 pins RMII + MDC = 9 pins MS19970V1 /2 or /20 synchronous 2.5 or 25 MHz 50 MHz XTAL 25 MHz OSC PLL REF_CLK MCO1/MCO2 |
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