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1349111_zh-CN
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1349111_zh-CN
1349111_zh-CN
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PCA9957 是一款菊花链 SPI 兼容的 4 线串行总线控制的 24 通道恒流LED 驱动器，针对 32 mA 红/绿/蓝/琥珀色 (RGBA) LED 的调光和闪烁进行了优化。
*
这个简单的示例代码是为 FRDM-KL25Z 自由板和 FRDM-A9957HN 评估板创建的。该代码设置PCA9957用于所有LED通道的灰度控制。
*
* 连接：FRDM-KL25Z OM13513
* VDD J9-4 J9-2 * VDDIO J9-8 J9-4
* 接地 J2-14 J2-7
* MOSI J2-8 J2-4
*味噌 J2-10 J2-5
* SCLK J2-12 J2-6
* CS J2-6 J2-3
* 重置 J9-6 J9-3
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