复用I/O | 协议1(括号内对应该协议的功能引脚) | 协议2 | 协议3 |
PA8 | 串口2(SMRXD2) | RS485(SMRXD2) | ISDN(L1TXDA) |
PA9 | 串口2(SMTXD2) | RS485(SMTXD2) | ISDN(L1RXDA) |
PA7 | 以太网2(RCLK1) | ISDN(L1RCLKA) | |
PA5 | 以太网2(TCLK3) | HDLC(CLK3) | ISDN(L1TCLKA) |
PB30 | 以太网2(TXD3) | SPI(CLK) | HDLC(TXD3) |
PB29 | 以太网2(RXD3) | SPI(OSI) | HDLC(RXD3) |
PB27 | I2C(SDA) | ATM(PHYCS) | |
PB26 | I2C(SCL) | ATM(RST) | |
PC13 | 以太网2(RTS3) | TDMA(L1ST7) | ATM(PHYRD) |
PC11 | USB(RXP) | ATM(PHYAD7) | |
PC10 | USB(RXN) | ATM(PHYAD3) | |
PC7 | USB(TXP) | ATM(PHYAD2) | |
PC6 | USB(TXN) | ATM(PHYAD6) | |
PC5 | 以太网2(COL3) | ISDN(L1TSNCA) | HDLC(CTS3) |
PC4 | 以太网2(CD3) | ISDN(L1RSNCA) | HDLC(CD3) |
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