TOP2812开发板用户手册

654082 2014-06-16 | pdf | 7333KB | 次下载 | 2积分

资料介绍

TOP2812开发板用户手册。
目录

1.产品概述................................................... ...................................................... ............. ......... ............ ...... ......4

1.1 产品简介.............................................................. 4

1.2 系统资源.............................................................. 4

1.3 扩展接口.............................................................. 5

1.4 代码及实验项目........................................................ 5

1.5 相关资料...............................................................6

1.6 典型应用...............................................................7

1.7 装箱清单（基本配置） ..................................................7

1.8 其他可选配件...........................................................7

2 使用之前的准备工作................................................... ................................................... ....... ... ... 8

2.1 硬件准备.............................................................. 8

2.2 软件准备.............................................................. 8

2.3 跳线说明.............................................................. 9

3．软件安装及设置软件安装及设置.................................................. .................................................. .............. .... ........ .... .... 10

3.1 安装步骤简述.......................................................... 10

3.2 CCS 的安装............................................................ 10

3.3 安装仿真器驱动........................................................ 10

3.4 CCS 的设置............................................................ 10

3.5 CCS 软件简介...........................................................10

4．硬件电路讲解................................................... .......................................................... .............. .......... ... 16

4.1 供电电路.............................................................. 16

4.2 复位电路.............................................................. 16

4.3 时钟振荡电路.......................................................... 17

4.4 峰鸣器控制电路........................................................ 17

4.5 外扩RAM 电路.......................................................... 18

4.6 外扩FLASH 电路........................................................ 19

4.7 JTAG 接口电路......................................................... 19

4.8 DSP 引脚扩展.......................................................... 20

4.9 LED灯与按键电路....................................................... 20

4.10 SCI 串口通讯电路..................................................... 22

4.11 CAN 通讯接口电路..................................................... 23

4.12 数码管控制电路....................................................... 23

4.13 AD 转换电路........................................................... 24

4.14 PWM 电机控制电路..................................................... 24

4.15 步进电机接口......................................................... 25

4.16 LCD12864驱动电路..................................................... 26

4.17 LCD1602 液晶驱动电路................................................. 26

4.18 音频控制电路......................................................... 27

4.19 CPLD数码管电路....................................................... 28

4.20 CPLD拨码开关电路..................................................... 29

4.21 CPLD扩展IO口电路..................................................... 29

4.22其他接插件电路........................................................ 30

5．软件实验讲解......................................................... ......... ....... .... .... 30

5.1 内部定时器0 跑马灯实验................................................ 30

5.2 内部定时器2 交替灯闪实验.............................................. 32

5.3 EV事件定时器实验...................................................... 33

5.4 SPI数码管显示实验..................................................... 35

5.5 GPIO蜂鸣器控制实验.................................................... 36

5.6 外部RAM 读写实验...................................................... 37

5.7 外部FLASH 读写实验.................................................... 40

5.8 按键控制实验.......................................................... 42

5.9 外部中断控制实验...................................................... 44

5.10 ADC实验.............................................................. 45

5.11 RS-232 串口通讯实验................................................... 47

5.12 CAN 总线接口实验..................................................... 49

5.13 放音实验............................................................. 51

5.14 直流电机控制实验......................................................53

5.15 步进电机控制实验......................................................54

5.16 1602 字符液晶显示实验.................................................55

6．FLASH 烧写................................................. ................................................. ............... ....... ............. ...... ...... 56

6.1 软件安装.............................................................. 56

6.2 烧写FLASH ............................................................. 56

6.2.1 生成烧写文件........................................................ 57

6.2.2 烧写用户程序........................................................ 60

7．CPLD实验部分............................................................. 6 .......... 63

实验 1．拨码开关控制实验........................................... ........................................... ....................... ........ 63

实验 2．流水灯实验............................... ............................... ............. ...... ................... ........ .................... ............ 66

实验 3．7段数码管译码器实验................................................ 66

实验 4．分频器实验............................ ............................ .............................67 .............................67 .............................67

实验 5．按键控制LED实验................................................ ................................................ .................. .... ....67

实验 6．动态数码管显示实验............................... ............................... .............................. .......... ............. ...... ........... .... ....67

实验 7．计数器实验................................................... ................................................... ................................. ...... ...67

实验 8．状态机控制实验................................................ ................................................ ....................... ...... ...67

实验 9．蜂鸣器报警实验............................................... ............................................... ............................ ...... ...67

实验 10．音乐演奏实验.............................................. .............................................. ................... ..... .................67

实验 11．LCD显示实验.............................................. .............................................. .................... ...... ......67

8. 芯片结构及性能概述 8. 芯片结构及性能概述................................................ ................................................ ................ ...... ......68

8.1. TMS320C28x 系列芯片的结构及性能......................................68

8.2. 引脚分布及引脚功能...................................................72

9.... TMS320F2812 TMS320F2812 TMS320F2812基本系统................................................. ................................................. ............. .... ....75

9.1. TMS320F2812 时钟.....................................................75

9.1.1. CPU 时钟..........................................................75

9.1.2. 片上外设时钟......................................................76

9.2. TMS320F2812 存贮空间的配置...........................................78

9.2.1. F2812 片上SARAM........................................... ........................................... ............... ........79

9.2.2. F2812 片上FLASH 和OTP..................................... ............................................... ........80

9.2.3. F2812 外部存储器接口................................ .................................................. ..............80

9.3. McBSP................................................... ............................................................. ....................... ................ ...80

9.3.1.McBSP 的操作........................................ ........................................ ................................ ........... ............... ....80

9.3.2.McBSP 的引脚与信号..................................... ..................................... ................. ............81

9.3.3.McBSP 通信协议............................................. ............................................. ................. ........82

9.3.4. SPI 概述................................................ ................................................ ........................ ..........82

9.3.5. SPI 特点........................................... ........................................... ............................. ...............82

9.4. SCI................................................... ........................................................ ................................ ...............82

9.4.1. SCI 特点.......................................... .......................................... .............................. ................82

9.5. CAN.................................. .................................. ................................ ................................83

9.5.1.CAN 原理框图........................................ ........................................ .......................... ...............83

9.5.2.CAN 特点................................................... ...................................................... .................... ........84

9.5.3.CAN 引脚和信号....................................... ....................................... .................... ........... .............. ...... ...84

9.6. ADC..................................................................84

9.6.1.ADC 特点.................................................. .................................................. ........................ .........85

9.6.2.ADC 的管脚和信号................................. ................................. ......................... ..................85

9.6.3.ADC 转换步骤........................... ........................... ....................... ........... ............................ .................86

9.7. 事件管理器........................................... ........................................... ............................... ................86

9.8. 定时器................................................... .................................................... .............................. ............87

9.9. 复位与中断............................................ ............................................ ............................ ............. .....................88

9.9.1. F2812 中断的概述............................ ............................ ............................ ......................88

9.9.2. F2812 复位操作.......................... .......................... .................................. ..........................96

9.10. TMS320F2812 复位工作过程............................................99

9.11. JTAG........................... ........................... ...................... ............ ........................... ............... ........................ .........102

9.12. F2812 工作方式的配置............................. ............................. ......................... ...................103