{"id":2134,"date":"2026-04-02T20:49:25","date_gmt":"2026-04-02T12:49:25","guid":{"rendered":"https:\/\/xujiwei.com\/blog\/?p=2134"},"modified":"2026-04-02T20:49:25","modified_gmt":"2026-04-02T12:49:25","slug":"esp32s3-two-pitfalls","status":"publish","type":"post","link":"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/","title":{"rendered":"\u4f7f\u7528 ESP32-S3 \u6a21\u5757\u65f6\u4e24\u4e2a\u5c0f\u5751\u522b\u8e29\u5230"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<p class=\"ez-toc-title\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69e91b330a933\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" 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href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#%E5%89%8D%E8%A8%80\" title=\"\u524d\u8a00\">\u524d\u8a00<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#%E5%9D%91%E4%B8%80%EF%BC%9AN16R8_%E7%9A%84_GPIO_353637_%E4%B8%8D%E8%83%BD%E7%A2%B0\" title=\"\u5751\u4e00\uff1aN16R8 \u7684 GPIO 35\/36\/37 \u4e0d\u80fd\u78b0\">\u5751\u4e00\uff1aN16R8 \u7684 GPIO 35\/36\/37 \u4e0d\u80fd\u78b0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#N16R8_%E6%98%AF%E4%BB%80%E4%B9%88\" title=\"N16R8 \u662f\u4ec0\u4e48\">N16R8 \u662f\u4ec0\u4e48<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#EDA_%E4%B8%AD%E8%A6%81%E6%B3%A8%E6%84%8F\" title=\"EDA \u4e2d\u8981\u6ce8\u610f\">EDA \u4e2d\u8981\u6ce8\u610f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88\" title=\"\u89e3\u51b3\u65b9\u6848\">\u89e3\u51b3\u65b9\u6848<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#%E5%9D%91%E4%BA%8C%EF%BC%9AGPIO_Matrix_%E6%8A%8A%E9%80%9F%E5%BA%A6%E7%A0%8D%E4%BA%86%E4%B8%80%E5%8D%8A\" title=\"\u5751\u4e8c\uff1aGPIO Matrix \u628a\u901f\u5ea6\u780d\u4e86\u4e00\u534a\">\u5751\u4e8c\uff1aGPIO Matrix \u628a\u901f\u5ea6\u780d\u4e86\u4e00\u534a<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#%E4%B8%A4%E7%A7%8D_SPI_%E4%BF%A1%E5%8F%B7%E8%B7%AF%E7%94%B1%E6%96%B9%E5%BC%8F\" title=\"\u4e24\u79cd SPI \u4fe1\u53f7\u8def\u7531\u65b9\u5f0f\">\u4e24\u79cd SPI \u4fe1\u53f7\u8def\u7531\u65b9\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#%E8%B8%A9%E5%9D%91%E7%8E%B0%E8%B1%A1\" title=\"\u8e29\u5751\u73b0\u8c61\">\u8e29\u5751\u73b0\u8c61<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#%E6%80%8E%E4%B9%88%E7%A1%AE%E8%AE%A4%E8%B5%B0%E7%9A%84%E6%98%AF%E5%93%AA%E7%A7%8D%E8%B7%AF%E7%94%B1\" title=\"\u600e\u4e48\u786e\u8ba4\u8d70\u7684\u662f\u54ea\u79cd\u8def\u7531\">\u600e\u4e48\u786e\u8ba4\u8d70\u7684\u662f\u54ea\u79cd\u8def\u7531<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#%E6%80%8E%E4%B9%88%E9%81%BF%E5%BC%80%E8%BF%99%E4%B8%A4%E4%B8%AA%E5%9D%91\" title=\"\u600e\u4e48\u907f\u5f00\u8fd9\u4e24\u4e2a\u5751\">\u600e\u4e48\u907f\u5f00\u8fd9\u4e24\u4e2a\u5751<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#%E5%90%8E%E7%BB%AD%E6%89%93%E7%AE%97\" title=\"\u540e\u7eed\u6253\u7b97\">\u540e\u7eed\u6253\u7b97<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/#%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\" title=\"\u53c2\u8003\u8d44\u6599\">\u53c2\u8003\u8d44\u6599<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E5%89%8D%E8%A8%80\"><\/span>\u524d\u8a00<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e4b\u524d\u5df2\u7ecf\u7528 ESP32-S3 \u6a21\u5757\u505a\u4e86\u4e0d\u5c11\u9879\u76ee\uff0c\u4f1a\u7ecf\u5e38\u4f7f\u7528\u5230 SPI \u603b\u7ebf\u6765\u9a71\u52a8\u5916\u8bbe\uff0c\u60f3\u8d77\u6765\u6709\u4e24\u4e2a\u5751\u9700\u8981\u6ce8\u610f\uff0c\u8fd9\u91cc\u8bb0\u5f55\u4e00\u4e0b\u4f9b\u5927\u5bb6\u53c2\u8003\uff5e<\/p>\n<p>\u4e24\u4e2a\u5751\u90fd\u8ddf GPIO \u4f7f\u7528\u6709\u5173\u7cfb\uff1a<\/p>\n<ol>\n<li><strong>N16R8 \u7248\u672c\u7684 ESP32-S3 \u6a21\u5757\uff0cGPIO 35\/36\/37 \u88ab\u5185\u90e8 PSRAM \u5360\u7528\uff0c\u7edd\u5bf9\u4e0d\u80fd\u62ff\u6765\u505a SPI<\/strong><\/li>\n<li><strong>SPI \u53ea\u6709\u8d70 IOMUX \u56fa\u5b9a\u5f15\u811a\u624d\u80fd\u8dd1\u5230 80MHz\uff1b\u4e00\u65e6\u7528 GPIO Matrix \u91cd\u6620\u5c04\uff0c\u6700\u9ad8\u53ea\u6709 40MHz<\/strong><\/li>\n<\/ol>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E5%9D%91%E4%B8%80%EF%BC%9AN16R8_%E7%9A%84_GPIO_353637_%E4%B8%8D%E8%83%BD%E7%A2%B0\"><\/span>\u5751\u4e00\uff1aN16R8 \u7684 GPIO 35\/36\/37 \u4e0d\u80fd\u78b0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"N16R8_%E6%98%AF%E4%BB%80%E4%B9%88\"><\/span>N16R8 \u662f\u4ec0\u4e48<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ESP32-S3 \u6709\u5f88\u591a\u5c01\u88c5\u7248\u672c\uff0cN16R8 \u7684\u610f\u601d\u662f\uff1a\u677f\u8f7d <strong>16MB Flash + 8MB PSRAM<\/strong>\u3002\u542c\u8d77\u6765\u5f88\u9999\uff0c\u5185\u5b58\u5927\u3001Flash \u5927\uff0cDIY \u9879\u76ee\u9996\u9009\u3002<\/p>\n<p>\u4f46\u5b83\u6709\u4e2a\u4ee3\u4ef7\uff1a\u7247\u5185\u7684 Octal Flash \u548c Octal PSRAM \u9700\u8981\u5360\u7528\u66f4\u591a GPIO \u5f15\u811a\u3002\u666e\u901a\u7248\u672c\uff08\u6bd4\u5982 N8\uff09\u53ea\u5360\u7528 GPIO 27-32\uff0c\u800c <strong>N16R8 \u989d\u5916\u8fd8\u8981\u5360\u7528 GPIO 35\u300136\u300137<\/strong>\u3002<\/p>\n<p>\u6587\u6863\u4e2d\u8bf4\u660e\u5982\u4e0b\uff1a<\/p>\n<blockquote>\n<p>SPI0\/1\uff1aGPIO26-32 \u901a\u5e38\u7528\u4e8e SPI flash \u548c PSRAM\uff0c\u4e0d\u63a8\u8350\u7528\u4e8e\u5176\u4ed6\u7528\u9014\u3002\u5f53\u4f7f\u7528\u516b\u7ebf flash \u6216\u516b\u7ebf PSRAM \u6216\u540c\u65f6\u4f7f\u7528\u4e24\u8005\u65f6\uff0cGPIO33~37 \u4f1a\u8fde\u63a5\u5230 SPIIO4 ~ SPIIO7 \u548c SPIDQS\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u5185\u5d4c ESP32-S3R8 \u6216 ESP32-S3R8V \u82af\u7247\u7684\u5f00\u53d1\u677f\uff0cGPIO33~37 \u4e5f\u4e0d\u63a8\u8350\u7528\u4e8e\u5176\u4ed6\u7528\u9014\u3002<\/p>\n<\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"EDA_%E4%B8%AD%E8%A6%81%E6%B3%A8%E6%84%8F\"><\/span>EDA \u4e2d\u8981\u6ce8\u610f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5728 LCEDA \u4e2d\u76f4\u63a5\u4f7f\u7528 N16R8 \u6a21\u5757\u5668\u4ef6\u65f6\uff0c\u5e76\u4e0d\u4f1a\u989d\u5916\u6807\u660e\u8fd9\u51e0\u4e2a\u5f15\u811a\u4e0d\u80fd\u4f7f\u7528\uff0c\u56e0\u6b64\u5728\u8bbe\u8ba1\u539f\u7406\u56fe\u65f6\u9700\u8981\u7279\u522b\u6ce8\u610f\uff0c\u4e0d\u8981\u628a\u8fd9\u51e0\u4e2a\u5f15\u811a\u7528\u6765\u5f53\u4f5c\u666e\u901a GPIO \u6216\u8005 SPI \u603b\u7ebf\u7684\u5f15\u811a\u6765\u4f7f\u7528\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88\"><\/span>\u89e3\u51b3\u65b9\u6848<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u7ed5\u5f00 35\/36\/37\uff0c\u6539\u7528\u5176\u4ed6 GPIO\u3002<\/strong> <\/p>\n<p>\u9009 pin \u65f6\u53ef\u4ee5\u53c2\u8003\u8fd9\u4e2a\u8303\u56f4\uff1a<strong>GPIO 0-21<\/strong>\u3001<strong>GPIO 38-48<\/strong>\u3002<\/p>\n<p><strong>\u90e8\u5206\u5f15\u811a\u662f Strapping \u7ba1\u811a\uff0c\u540c\u6837\u9700\u8981\u6ce8\u610f<\/strong>\uff0c\u5efa\u8bae\u4f7f\u7528\u524d\u5148\u4ed4\u7ec6\u9605\u8bfb\u6570\u636e\u624b\u518c\u662f\u5426\u6709\u5f71\u54cd\u3002<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E5%9D%91%E4%BA%8C%EF%BC%9AGPIO_Matrix_%E6%8A%8A%E9%80%9F%E5%BA%A6%E7%A0%8D%E4%BA%86%E4%B8%80%E5%8D%8A\"><\/span>\u5751\u4e8c\uff1aGPIO Matrix \u628a\u901f\u5ea6\u780d\u4e86\u4e00\u534a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>ESP32-S3 \u76f8\u6bd4\u5176\u4ed6 MCU \u6700\u65b9\u4fbf\u7684\u5c31\u662f\u5916\u8bbe\u7684 IO \u53ef\u4ee5\u968f\u610f\u4f7f\u7528\uff0c\u4e0d\u662f\u56fa\u5b9a\u5916\u8bbe\u4e0e\u56fa\u5b9a\u5f15\u811a\u914d\u5bf9\uff0c\u4f46\u662f\u8fd9\u91cc\u4e5f\u5c31\u4f1a\u6709\u4e00\u4e2a\u5c0f\u5751\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E4%B8%A4%E7%A7%8D_SPI_%E4%BF%A1%E5%8F%B7%E8%B7%AF%E7%94%B1%E6%96%B9%E5%BC%8F\"><\/span>\u4e24\u79cd SPI \u4fe1\u53f7\u8def\u7531\u65b9\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ESP32-S3 \u7684 SPI \u4fe1\u53f7\u6709\u4e24\u79cd\u8d70\u6cd5\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8def\u7531\u65b9\u5f0f<\/th>\n<th>\u6700\u9ad8\u901f\u5ea6<\/th>\n<th>\u7279\u70b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>IOMUX<\/strong>\uff08\u56fa\u5b9a\u5f15\u811a\uff09<\/td>\n<td><strong>80 MHz<\/strong><\/td>\n<td>\u76f4\u8fde\uff0c\u5ef6\u8fdf\u4f4e\uff0c\u901f\u5ea6\u6ee1<\/td>\n<\/tr>\n<tr>\n<td><strong>GPIO Matrix<\/strong>\uff08\u4efb\u610f\u5f15\u811a\uff09<\/td>\n<td><strong>40 MHz<\/strong><\/td>\n<td>\u7075\u6d3b\uff0c\u4f46\u7ecf\u8fc7\u77e9\u9635\u6709\u989d\u5916\u5ef6\u8fdf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>ESP32-S3 \u7684 SPI2\uff08FSPI\uff09\u6709\u4e00\u7ec4\u56fa\u5b9a\u7684 IOMUX \u5f15\u811a\uff1a<\/p>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2026\/04\/esp32s3-two-pitfalls-1.png\" alt=\"\" \/><\/p>\n<p>\u53ea\u8981\u4f60\u628a SPI \u811a\u5206\u914d\u5230<strong>\u8fd9\u51e0\u4e2a\u56fa\u5b9a\u5f15\u811a<\/strong>\uff0c\u786c\u4ef6\u81ea\u52a8\u8d70 IOMUX\uff0c\u53ef\u4ee5\u8dd1\u6ee1 <strong>80 MHz<\/strong>\u3002<\/p>\n<p>\u4e00\u65e6\u4f60\u6362\u4e86\u4efb\u4f55\u4e00\u4e2a\u811a\uff0c\u54ea\u6015\u53ea\u6362\u4e86\u4e00\u4e2a CS\uff0c\u4fe1\u53f7\u5c31\u5168\u90e8\u7ed5\u9053 GPIO Matrix\uff0c<strong>\u6574\u7ec4 SPI \u901f\u5ea6\u4e0a\u9650\u8dcc\u5230 40 MHz<\/strong>\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E8%B8%A9%E5%9D%91%E7%8E%B0%E8%B1%A1\"><\/span>\u8e29\u5751\u73b0\u8c61<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4ee3\u7801\u91cc\u5199\u7684\u662f <code>SPI.setFrequency(80000000)<\/code>\uff0c\u4f46\u7528\u903b\u8f91\u5206\u6790\u4eea\u4e00\u91cf\uff0cCLK \u5b9e\u9645\u9891\u7387 <strong>40 MHz<\/strong>\uff0c\u5c11\u4e86\u6574\u6574\u4e00\u534a\u3002<\/p>\n<p>\u5728\u4e4b\u524d\u6d4b\u8bd5 JPEG \u89e3\u7801\uff08<a href=\"https:\/\/mp.weixin.qq.com\/s\/W62uBb48EffFaF2C8o49mA\">ESP32-S3 JPEG \u5b9e\u6d4b\uff1a\u4ece\u89e3\u7801\u5e93\u5bf9\u6bd4\u5230 DMA \u4f18\u5316\uff0c\u6700\u7ec8\u5230\u8fbe SPI \u4e0a\u9650<\/a>\uff09\u4e2d\u4e5f\u8bf4\u5230\uff0c<strong>\u56e0\u4e3a\u7528\u4e86 GPIO Matrix\uff0cSPI \u5237\u5c4f\u901f\u5ea6\u6700\u9ad8\u4e5f\u53ea\u80fd 43 FPS\u3002<\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E6%80%8E%E4%B9%88%E7%A1%AE%E8%AE%A4%E8%B5%B0%E7%9A%84%E6%98%AF%E5%93%AA%E7%A7%8D%E8%B7%AF%E7%94%B1\"><\/span>\u600e\u4e48\u786e\u8ba4\u8d70\u7684\u662f\u54ea\u79cd\u8def\u7531<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u65b9\u6cd5\u4e00\uff1a<strong>\u770b\u5f15\u811a\u5206\u914d<\/strong>\uff0c\u5bf9\u7167 SPI2 \u7684 IOMUX \u8868\uff0c\u6bcf\u4e2a\u811a\u90fd\u5728\u56fa\u5b9a\u4f4d\u7f6e\u624d\u662f IOMUX\u3002<\/p>\n<p>\u65b9\u6cd5\u4e8c\uff1a<strong>\u7528\u903b\u8f91\u5206\u6790\u4eea\u5b9e\u6d4b<\/strong>\uff0c\u8bbe 80MHz\uff0c\u5b9e\u9645\u91cf\u51fa\u6765 40MHz \u5c31\u8bf4\u660e\u8d70\u4e86 Matrix\u3002<\/p>\n<p>\u65b9\u6cd5\u4e09\uff1a\u67e5 ESP-IDF \u65e5\u5fd7\uff0c\u9a71\u52a8\u521d\u59cb\u5316\u65f6\u4f1a\u6253\u5370\u4f7f\u7528\u7684\u6a21\u5f0f\uff08\u9700\u8981\u5f00 debug \u7ea7\u522b\u65e5\u5fd7\uff09\u3002<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E6%80%8E%E4%B9%88%E9%81%BF%E5%BC%80%E8%BF%99%E4%B8%A4%E4%B8%AA%E5%9D%91\"><\/span>\u600e\u4e48\u907f\u5f00\u8fd9\u4e24\u4e2a\u5751<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u603b\u7ed3\u4e00\u4e0b\u9009 pin \u7684\u539f\u5219\uff1a<\/p>\n<ul>\n<li><strong>\u7528 N16R8 \u65f6\uff0cGPIO 35\/36\/37 \u5217\u4e3a\u7981\u533a<\/strong>\uff0c\u539f\u7406\u56fe\u91cc\u76f4\u63a5\u52a0\u4e0a\u975e\u8fde\u63a5\u6807\u8bb0<\/li>\n<\/ul>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2026\/04\/esp32s3-two-pitfalls-2.png\" alt=\"\" \/><\/p>\n<ul>\n<li><strong>SPI \u60f3\u8dd1 80MHz\uff0c\u5fc5\u987b\u5168\u90e8\u7528 IOMUX \u56fa\u5b9a\u5f15\u811a<\/strong>\uff0c\u4e00\u4e2a\u90fd\u4e0d\u80fd\u6362\uff1b\u5982\u679c\u677f\u5b50\u5e03\u7ebf\u4e0d\u5141\u8bb8\uff0c\u5c31\u63a5\u53d7 40MHz \u7684\u4e0a\u9650<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E5%90%8E%E7%BB%AD%E6%89%93%E7%AE%97\"><\/span>\u540e\u7eed\u6253\u7b97<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e4b\u524d\u6d4b\u8bd5 JPEG \u89e3\u7801\u662f\u7528\u4e86\u4ee5\u524d\u505a\u597d\u7684\u5f00\u53d1\u677f\uff0c\u540e\u9762\u624b\u52a8\u8fde\u63a5\u5230\u56fa\u5b9a\u5f15\u811a\uff0c\u770b\u770b\u5728 80Mbps \u4e0b\u5237\u5c4f\u901f\u5ea6\u80fd\u63d0\u5347\u5230\u591a\u5c11\u3002<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\"><\/span>\u53c2\u8003\u8d44\u6599<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/docs.espressif.com\/projects\/esp-idf\/zh_CN\/stable\/esp32s3\/api-reference\/peripherals\/spi_master.html\">https:\/\/docs.espressif.com\/projects\/esp-idf\/zh_CN\/stable\/esp32s3\/api-reference\/peripherals\/spi_master.html<\/a><\/li>\n<li><a href=\"https:\/\/docs.espressif.com\/projects\/esp-idf\/zh_CN\/v5.0\/esp32s3\/api-reference\/peripherals\/gpio.html\">https:\/\/docs.espressif.com\/projects\/esp-idf\/zh_CN\/v5.0\/esp32s3\/api-reference\/peripherals\/gpio.html<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u4e4b\u524d\u5df2\u7ecf\u7528 ESP32-S3 \u6a21\u5757\u505a\u4e86\u4e0d\u5c11\u9879\u76ee\uff0c\u4f1a\u7ecf\u5e38\u4f7f\u7528\u5230 SPI \u603b\u7ebf &hellip;<\/p>\n<p class=\"read-more\"><a href=\"https:\/\/xujiwei.com\/blog\/2026\/04\/esp32s3-two-pitfalls\/\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":2,"featured_media":2137,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[402],"tags":[328,457,386],"_links":{"self":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/2134"}],"collection":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/comments?post=2134"}],"version-history":[{"count":0,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/2134\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media\/2137"}],"wp:attachment":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media?parent=2134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/categories?post=2134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/tags?post=2134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}