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首页深入浅出Cortex-M7——i.MX RT1050(20180122)
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目 录
第 1 章 i.MX RT1050 系列芯片简介 ····························································· 1
1.1 i.MX RT1050 跨界处理器 ········································································ 1
1.1.1 概述 ····························································································· 1
1.1.2 特性 ····························································································· 2
1.2 芯片特色外设 ······················································································ 3
1.2.1 2D 图像处理引擎 ············································································ 3
1.2.2 CSI 接口 ······················································································· 4
1.2.3 SAI 接口 ······················································································· 4
1.3 应用领域····························································································· 5
1.4 封装信息····························································································· 5
1.5 引脚说明····························································································· 6
第 2 章 EasyARM-RT1052 开发套件 ··························································· 12
2.1 开发板介绍 ························································································ 12
2.1.1 产品特性······················································································ 13
2.1.2 资源参数······················································································ 13
2.1.3 电气参数······················································································ 14
2.1.4 接口说明······················································································ 15
第 3 章 硬件设计 ···················································································· 18
3.1 最小系统···························································································· 18
3.1.1 电源电路······················································································ 18
3.1.2 时钟电路······················································································ 21
3.1.3 复位与调试 ·················································································· 22
3.1.4 系统 BOOT ··················································································· 22
3.1.5 存储器电路 ·················································································· 24
3.2 板载外设···························································································· 25
3.2.1 以太网························································································· 25
3.2.2 USB ···························································································· 27
3.2.3 SD 卡 ·························································································· 28
3.2.4 LCD ···························································································· 29
3.2.5 LED 及蜂鸣器 ··············································································· 29
3.2.6 CSI ····························································································· 30
3.2.7 Wi-Fi ·························································································· 30
3.2.8 AWorks 接口 ················································································· 32
3.2.9 机械尺寸······················································································ 34
第 4 章 软件设计 ···················································································· 35
4.1 外设简介···························································································· 35
4.2 通用 I/O(GPIO) ················································································ 35
4.2.1 概述 ···························································································· 35
4.2.2 特性 ···························································································· 35
4.2.3 配置步骤······················································································ 35
4.2.4 例程介绍······················································································ 36
4.2.5 实验现象······················································································ 36
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4.3 LPUART 控制器 ·················································································· 37
4.3.1 概述 ···························································································· 37
4.3.2 特性 ···························································································· 37
4.3.3 配置步骤······················································································ 37
4.3.4 例程介绍······················································································ 37
4.3.5 实验现象······················································································ 39
4.4 LPSPI 控制器 ······················································································ 39
4.4.1 概述 ···························································································· 39
4.4.2 特性 ···························································································· 39
4.4.3 配置步骤······················································································ 39
4.4.4 例程介绍······················································································ 39
4.4.5 实验现象······················································································ 42
4.5 LPI2C 控制器 ······················································································ 42
4.5.1 概述 ···························································································· 42
4.5.2 特性 ···························································································· 42
4.5.3 配置步骤······················································································ 43
4.5.4 例程介绍······················································································ 43
4.5.5 实验现象······················································································ 48
4.6 FlexSPI 控制器(FlexSPI) ···································································· 48
4.6.1 概述 ···························································································· 48
4.6.2 特性 ···························································································· 48
4.6.3 配置步骤······················································································ 49
4.6.4 例程介绍······················································································ 50
4.6.5 实验现象······················································································ 52
4.7 CAN 控制器(FlexCAN) ······································································ 52
4.7.1 概述 ···························································································· 52
4.7.2 特性 ···························································································· 52
4.7.3 配置步骤······················································································ 53
4.7.4 例程介绍······················································································ 54
4.7.5 实验现象······················································································ 56
4.8 FlexI/O 接口(FlexI/O) ········································································ 56
4.8.1 概述 ···························································································· 56
4.8.2 特性 ···························································································· 56
4.8.3 配置步骤······················································································ 57
4.8.4 例程介绍······················································································ 57
4.8.5 实验现象······················································································ 58
4.9 矩阵键盘端口(KPP) ·········································································· 59
4.9.1 概述 ···························································································· 59
4.9.2 特性 ···························································································· 59
4.9.3 配置步骤······················································································ 59
4.9.4 例程介绍······················································································ 59
4.9.5 实验现象······················································································ 61
4.10 同步音频接口(SAI) ··········································································· 61
4.10.1 概述 ···························································································· 61
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4.10.2 特性 ···························································································· 61
4.10.3 配置步骤······················································································ 61
4.10.4 例程介绍······················································································ 62
4.10.5 实验现象······················································································ 64
4.11 数字音频接口(SPDIF) ······································································· 64
4.11.1 概述 ···························································································· 64
4.11.2 特性 ···························································································· 64
4.11.3 配置步骤······················································································ 64
4.11.4 例程介绍······················································································ 65
4.11.5 实验现象······················································································ 67
4.12 模数转换(ADC) ··············································································· 67
4.12.1 概述 ···························································································· 67
4.12.2 特性 ···························································································· 67
4.12.3 配置步骤······················································································ 67
4.12.4 例程介绍······················································································ 67
4.12.5 实验现象······················································································ 69
4.13 模拟比较器(ACMP) ·········································································· 69
4.13.1 概述 ···························································································· 69
4.13.2 特性 ···························································································· 69
4.13.3 配置步骤······················································································ 70
4.13.4 例程介绍······················································································ 70
4.13.5 实验现象······················································································ 71
4.14 增强型直接内存存取(eDMA) ······························································ 71
4.14.1 概述 ···························································································· 71
4.14.2 特性 ···························································································· 71
4.14.3 配置步骤······················································································ 72
4.14.4 例程介绍······················································································ 72
4.14.5 实验现象······················································································ 74
4.15 通用定时器(GPT) ············································································· 74
4.15.1 概述 ···························································································· 74
4.15.2 特性 ···························································································· 74
4.15.3 配置步骤······················································································ 75
4.15.4 例程介绍······················································································ 75
4.15.5 实验现象······················································································ 76
4.16 周期中断定时器(PIT) ········································································ 76
4.16.1 概述 ···························································································· 76
4.16.2 特性 ···························································································· 77
4.16.3 配置步骤······················································································ 77
4.16.4 例程介绍······················································································ 77
4.16.5 实验现象······················································································ 78
4.17 正交解码器(ENC) ············································································ 78
4.17.1 概述 ···························································································· 78
4.17.2 特性 ···························································································· 79
4.17.3 配置步骤······················································································ 79
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4.17.4 例程介绍······················································································ 79
4.17.5 实验现象······················································································ 80
4.18 看门狗定时器(WDOG) ······································································ 81
4.18.1 概述 ···························································································· 81
4.18.2 特性 ···························································································· 81
4.18.3 配置步骤······················································································ 81
4.18.4 例程介绍······················································································ 81
4.18.5 实验现象······················································································ 82
4.19 外部看门狗监视器(EWM) ·································································· 83
4.19.1 概述 ···························································································· 83
4.19.2 特性 ···························································································· 83
4.19.3 配置步骤······················································································ 83
4.19.4 例程介绍······················································································ 83
4.19.5 实验现象······················································································ 85
4.20 外部存储控制器(SEMC) ···································································· 85
4.20.1 概述 ···························································································· 85
4.20.2 特性 ···························································································· 85
4.20.3 配置步骤······················································································ 86
4.20.4 例程介绍······················································································ 86
4.20.5 实验现象······················································································ 87
4.21 温度检测模块(TEMPMON) ································································ 87
4.21.1 概述 ···························································································· 87
4.21.2 特性 ···························································································· 87
4.21.3 配置步骤······················································································ 88
4.21.4 例程介绍······················································································ 88
4.21.5 实验现象······················································································ 88
4.22 LCD 控制器(eLCDIF) ········································································ 88
4.22.1 概述 ···························································································· 88
4.22.2 特性 ···························································································· 88
4.22.3 配置步骤······················································································ 88
4.22.4 例程介绍······················································································ 89
4.22.5 实验现象······················································································ 90
4.23 2D 图形处理(PXP)············································································ 90
4.23.1 概述 ···························································································· 90
4.23.2 特性 ···························································································· 90
4.23.3 配置步骤······················································································ 90
4.23.4 例程介绍······················································································ 91
4.23.5 实验现象······················································································ 91
4.24 触屏控制器(TSC) ············································································· 91
4.24.1 概述 ···························································································· 91
4.24.2 特性 ···························································································· 92
4.24.3 配置步骤······················································································ 92
4.24.4 例程介绍······················································································ 92
4.24.5 实验现象······················································································ 92
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