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AM33XX_IOPAD(0X810，PIN_OUTPUT_PULLOWN | MUX_MODE7) /*gpmc_ad4.gpio1_4 */
0X810 是如何得出的？
谢谢！
这些是pinmux寄存器的offset地址，这些offset地址+Control Module base address可以得到实际的寄存器地址，请看TRM 。
9.3.1 CONTROL_MODULE Registershttp://www.ti.com/lit/ug/spruh73p/spruh73p.pdf
