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STM32469VG Scheda tecnica(PDF) 41 Page - STMicroelectronics |
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STM32469VG Scheda tecnica(HTML) 41 Page - STMicroelectronics |
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41 / 220 page  DS11189 Rev 7 41/220 STM32F469xx Functional overview 47 2.27 Serial peripheral interface (SPI) The devices feature up to six SPIs in slave and master modes in full-duplex and simplex communication modes. SPI1, SPI4, SPI5, and SPI6 can communicate at up to 45 Mbits/s, SPI2 and SPI3 can communicate at up to 22.5 Mbit/s. The 3-bit prescaler gives 8 master mode frequencies and the frame is configurable to 8 bits or 16 bits. The hardware CRC generation/verification supports basic SD Card/MMC modes. All SPIs can be served by the DMA controller. The SPI interface can be configured to operate in TI mode for communications in master mode and slave mode. 2.28 Inter-integrated sound (I2S) Two standard I2S interfaces (multiplexed with SPI2 and SPI3) are available. They can be operated in master or slave mode, in full duplex and simplex communication modes, and can be configured to operate with a 16-/32-bit resolution as an input or output channel. Table 8. USART feature comparison(1) Name Standard features Modem (RTS/CTS) LIN SPI master irDA Smartcard (ISO 7816) Max. baud rate in Mbit/s APB mapping Oversampling by 16 Oversampling by 8 USART1 X X X X X X 5.62 11.25 APB2 (max. 90 MHz) USART2 X X X X X X 2.81 5.62 APB1 (max. 45 MHz) USART3 X X X X X X 2.81 5.62 APB1 (max. 45 MHz) UART4 X - X - X - 2.81 5.62 APB1 (max. 45 MHz) UART5 X - X - X - 2.81 5.62 APB1 (max. 45 MHz) USART6 X X X X X X 5.62 11.25 APB2 (max. 90 MHz) UART7 X - X - X - 2.81 5.62 APB1 (max. 45 MHz) UART8 X - X - X - 2.81 5.62 APB1 (max. 45 MHz) 1. X = feature supported. |
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