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自从使用STM32芯以后，就对此芯非常关注，从经典STM32F1XX到现在的STM32F4XX都给我带来了不秒的满足感！记得以前有很长一段时间开机第一就会打开ST官方论坛，寻找各种由此芯创造的新事物。邮箱中也经常会收到一新产品展示的推送，对于求知欲非常强的我来说，这可真是如鱼得水般的兴奋。好了，这里首先非常感谢ST中国社区版主沐紫，让我有429这款芯片实战体现机会。也对在过去一月中未能及时发贴而感到非常抱歉。1 q8 {* ` ^1 ], r. w" y 首先先介绍这款《STM32F429套件》硬件做一个简单的介绍。 
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图20 \, L0 I4 e! h( q7 A7 ~ STM32F429ZIT6 microcontroller featuring 2 MB of Flash memory, 256 KB of RAM in an LQFP144 package On-board ST-LINK/V2 with selection mode switch to use the kit as a standalone STLINK/ ) ^; @2 V, [' i- z$ n3 [& M) ~2 AV2 (with SWD connector for programming and debugging) 2 a& G- h! ]1 x: o0 ~# { Board power supply: through the USB bus or from an external 3 V or 5 V supply voltage 8 ^* V$ w* U) x& o B# a6 J L3GD20, ST MEMS motion sensor, 3-axis digital output gyroscope % D4 V3 _; p- Q! h; {1 d- v TFT LCD (Thin-film-transistor liquid-crystal display) 2.4", 262K colors RGB, 240 x 320 dots - K" R+ J+ @* s8 i SDRAM 64 Mbits (1 Mbit x 16-bit x 4-bank) including an AUTO REFRESH MODE, and / L/ P% f c) aa power-saving Six LEDs: * e& U/ D; v4 @& r– LD1 (red/green) for USB communication – LD2 (red) for 3.3 V power-on – Two user LEDs: ; m( g$ E# g# X$ K/ W: DLD3 (green), LD4 (red) 9 n9 o. @4 W2 ^* q4 r) H+ g4 E– Two USB OTG LEDs: * M" U& f. m5 d6 w8 q) z! oLD5 (green) VBUS and LD6 (red) OC (over-current) Two pushbuttons (user and reset) USB OTG with micro-AB connector Extension header for LQFP144 I/Os for a quick connection to the prototyping board and an easy probing$ h- S9 { I( V. f' ~- s8 r% R 工作时钟在180MHz,带FPU浮点运算功能，加之可扩性很强的SDRAM，总的来说是一个非常强大的开发板。这里有几个官方DEMO的几个美图分享。 
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图6. X; K' l2 |0 j" l$ Q7 D 2 A" w0 Z! G; `- H7 E+ x: ? 软件员的入门篇少不了"Hello world!"，咱们单片机程序员那自然是从LED开始。之前我所从事的工作使用407，所以此芯片使用起来还算不错，下面奉上一个流水灯的程序。程序很简单有兴趣的朋友可以了解下。) q$ k: {% O$ ] 
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