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发表于 2018-10-18 11:34:42
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当此引脚配置为i2c的时候是 MX6UL_PAD_ENET2_RX_DATA0__I2C3_SCL 0x4001b8b0
但是根据IMX6ULRM.pdf中i2c应该为0x11,为何会是4?不太明白
MUX Mode Select Field.
Select 1 of 9 iomux modes to be used for pad: ENET2_RX_DATA0.
0000 ALT0 — Select mux mode: ALT0 mux port: ENET2_RDATA00 of instance: enet2
0001 ALT1 — Select mux mode: ALT1 mux port: UART6_TX of instance: uart6
0010 ALT2 — Select mux mode: ALT2 mux port: SIM1_PORT0_TRXD of instance: sim1
0011 ALT3 — Select mux mode: ALT3 mux port: I2C3_SCL of instance: i2c3
0100 ALT4 — Select mux mode: ALT4 mux port: ENET1_MDIO of instance: enet1
0101 ALT5 — Select mux mode: ALT5 mux port: GPIO2_IO08 of instance: gpio2
0110 ALT6 — Select mux mode: ALT6 mux port: KPP_ROW04 of instance: kpp
1000 ALT8 — Select mux mode: ALT8 mux port: USB_OTG1_PWR of instance: usb |
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