目录
摘要 .....................................................I
ABSTRACT ................................................II
1 绪论 ...................................................1
1.1 单片机控制系统概述 ....................................1
1.2 单片机控制系统的优势 ..................................3
2 8 路无线抢答器系统设计..................................4
2.1 系统组成...............................................4
2.1.1 发射单元...................................................4
2.1.2 接收单元...................................................7
2.2 编解码芯片 PT2262/PT2272 ...............................8
2.2.1 编码器 PT2262...............................................8
2.2.2 解码器 PT2272..............................................10
2.2.3 PT2262/PT2272 工作原理 ....................................12
2.3 无线发射接收模块 .....................................14
2.3.1 射频发射模块 F05P .........................................14
2.3.2 射频接受模块 J04V .........................................16
2.4 单片机 AT89C2051 ......................................18
2.4.1 AT89C2051.................................................18
2.4.2 AT89C2051 的开发与应用 ....................................19
2.5 74LS595 ..............................................20
2.5.1 器件特性..................................................20
2.5.2 引脚功能..................................................20
2.5.3 工作原理..................................................21
2.6 LED 数码管............................................21
2.7 硬件电路 .............................................23
2.7.1 硬件设计 ..................................................23
2.7.2 烧写程序..................................................24
2.7.3 硬件电路调试..............................................27
