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lpc2148 GPIO控制led灯

于 2022-02-06 发布 文件大小:132.96 kB
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通用并行 IO 口( GPIO) 输入输出端口是嵌入式系统硬件平台的重要组成部分,通过输入输出端口可以连接各种类型的外部输入输出设备。LPC2148 有 2 个 32 位的通用 IO 口。 P0 和 P1 口由两组寄存器(每组 4 个)控制。

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