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AN4068 bảng dữ liệu(PDF) 30 Page - STMicroelectronics |
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AN4068 bảng dữ liệu(HTML) 30 Page - STMicroelectronics |
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30 / 63 page ![]() ST7580 reference design description AN4068 30/63 Doc ID 022923 Rev 2 Figure 17. Connections between the STM32F103CBT6 and the ST7580 devices on the EVALST80-1 board These connections involve several pins and features of the ST7580 modem, as listed in Table 6. Table 6. Connections between STM32F103CBT6 and ST7580 devices on EVALST80-1 board Connection Connection type ST7580 pins STM32F103 pins Notes Host interface Digital T_REQ PA1 See [2] RXD PA2 TXD PA3 Reset Digital RESETN PC15 This direct connection allows the STM32 microcontroller to drive the RESETN pin of the ST7580. Clock Digital XIN PA8 The connection must provide an 8-MHz clock signal to the ST7580 modem in accordance with the specifications in [1]. Power line communication activity Digital PL_RX_ON PC13 As the two lines give information about power line communication activity of the ST7580, the connections can be used as input data for the STM32. PL_TX_ON PC14 |
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