TOP2812開發板用戶手冊

654082 2014-06-16 | pdf | 7333KB | 次下載 | 2積分

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TOP2812開發板用戶手冊。
目錄

1.產品概述................................................... ...................................................... ............. ......... ............ ...... ......4

1.1 產品簡介.............................................................. 4

1.2 系統資源.............................................................. 4

1.3 擴展接口.............................................................. 5

1.4 代碼及實驗項目........................................................ 5

1.5 相關資料...............................................................6

1.6 典型應用...............................................................7

1.7 裝箱清單（基本配置） ..................................................7

1.8 其他可選配件...........................................................7

2 使用之前的準備工作................................................... ................................................... ....... ... ... 8

2.1 硬件準備.............................................................. 8

2.2 軟件準備.............................................................. 8

2.3 跳線說明.............................................................. 9

3．軟件安裝及設置軟件安裝及設置.................................................. .................................................. .............. .... ........ .... .... 10

3.1 安裝步驟簡述.......................................................... 10

3.2 CCS 的安裝............................................................ 10

3.3 安裝仿真器驅動........................................................ 10

3.4 CCS 的設置............................................................ 10

3.5 CCS 軟件簡介...........................................................10

4．硬件電路講解................................................... .......................................................... .............. .......... ... 16

4.1 供電電路.............................................................. 16

4.2 復位電路.............................................................. 16

4.3 時鐘振蕩電路.......................................................... 17

4.4 峰鳴器控制電路........................................................ 17

4.5 外擴RAM 電路.......................................................... 18

4.6 外擴FLASH 電路........................................................ 19

4.7 JTAG 接口電路......................................................... 19

4.8 DSP 引腳擴展.......................................................... 20

4.9 LED燈與按鍵電路....................................................... 20

4.10 SCI 串口通訊電路..................................................... 22

4.11 CAN 通訊接口電路..................................................... 23

4.12 數碼管控制電路....................................................... 23

4.13 AD 轉換電路........................................................... 24

4.14 PWM 電機控制電路..................................................... 24

4.15 步進電機接口......................................................... 25

4.16 LCD12864驅動電路..................................................... 26

4.17 LCD1602 液晶驅動電路................................................. 26

4.18 音頻控制電路......................................................... 27

4.19 CPLD數碼管電路....................................................... 28

4.20 CPLD撥碼開關電路..................................................... 29

4.21 CPLD擴展IO口電路..................................................... 29

4.22其他接插件電路........................................................ 30

5．軟件實驗講解......................................................... ......... ....... .... .... 30

5.1 內部定時器0 跑馬燈實驗................................................ 30

5.2 內部定時器2 交替燈閃實驗.............................................. 32

5.3 EV事件定時器實驗...................................................... 33

5.4 SPI數碼管顯示實驗..................................................... 35

5.5 GPIO蜂鳴器控制實驗.................................................... 36

5.6 外部RAM 讀寫實驗...................................................... 37

5.7 外部FLASH 讀寫實驗.................................................... 40

5.8 按鍵控制實驗.......................................................... 42

5.9 外部中斷控制實驗...................................................... 44

5.10 ADC實驗.............................................................. 45

5.11 RS-232 串口通訊實驗................................................... 47

5.12 CAN 總線接口實驗..................................................... 49

5.13 放音實驗............................................................. 51

5.14 直流電機控制實驗......................................................53

5.15 步進電機控制實驗......................................................54

5.16 1602 字符液晶顯示實驗.................................................55

6．FLASH 燒寫................................................. ................................................. ............... ....... ............. ...... ...... 56

6.1 軟件安裝.............................................................. 56

6.2 燒寫FLASH ............................................................. 56

6.2.1 生成燒寫文件........................................................ 57

6.2.2 燒寫用戶程序........................................................ 60

7．CPLD實驗部分............................................................. 6 .......... 63

實驗 1．撥碼開關控制實驗........................................... ........................................... ....................... ........ 63

實驗 2．流水燈實驗............................... ............................... ............. ...... ................... ........ .................... ............ 66

實驗 3．7段數碼管譯碼器實驗................................................ 66

實驗 4．分頻器實驗............................ ............................ .............................67 .............................67 .............................67

實驗 5．按鍵控制LED實驗................................................ ................................................ .................. .... ....67

實驗 6．動態數碼管顯示實驗............................... ............................... .............................. .......... ............. ...... ........... .... ....67

實驗 7．計數器實驗................................................... ................................................... ................................. ...... ...67

實驗 8．狀態機控制實驗................................................ ................................................ ....................... ...... ...67

實驗 9．蜂鳴器報警實驗............................................... ............................................... ............................ ...... ...67

實驗 10．音樂演奏實驗.............................................. .............................................. ................... ..... .................67

實驗 11．LCD顯示實驗.............................................. .............................................. .................... ...... ......67

8. 芯片結構及性能概述 8. 芯片結構及性能概述................................................ ................................................ ................ ...... ......68

8.1. TMS320C28x 系列芯片的結構及性能......................................68

8.2. 引腳分布及引腳功能...................................................72

9.... TMS320F2812 TMS320F2812 TMS320F2812基本系統................................................. ................................................. ............. .... ....75

9.1. TMS320F2812 時鐘.....................................................75

9.1.1. CPU 時鐘..........................................................75

9.1.2. 片上外設時鐘......................................................76

9.2. TMS320F2812 存貯空間的配置...........................................78

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

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

9.2.3. F2812 外部存儲器接口................................ .................................................. ..............80

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

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

9.3.2.McBSP 的引腳與信號..................................... ..................................... ................. ............81

9.3.3.McBSP 通信協議............................................. ............................................. ................. ........82

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

9.3.5. SPI 特點........................................... ........................................... ............................. ...............82

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

9.4.1. SCI 特點.......................................... .......................................... .............................. ................82

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

9.5.1.CAN 原理框圖........................................ ........................................ .......................... ...............83

9.5.2.CAN 特點................................................... ...................................................... .................... ........84

9.5.3.CAN 引腳和信號....................................... ....................................... .................... ........... .............. ...... ...84

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

9.6.1.ADC 特點.................................................. .................................................. ........................ .........85

9.6.2.ADC 的管腳和信號................................. ................................. ......................... ..................85

9.6.3.ADC 轉換步驟........................... ........................... ....................... ........... ............................ .................86

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

9.8. 定時器................................................... .................................................... .............................. ............87

9.9. 復位與中斷............................................ ............................................ ............................ ............. .....................88

9.9.1. F2812 中斷的概述............................ ............................ ............................ ......................88

9.9.2. F2812 復位操作.......................... .......................... .................................. ..........................96

9.10. TMS320F2812 復位工作過程............................................99

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

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