TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, TMS320C2802
TMS320C2801, TMS320F28016, TMS320F28015
www.ti.com.cn
ZHCS898N –OCTOBER 2003–REVISED MAY 2012
内内容容
1 F280x，，F2801x，，C280x DSPs ............................................................................................... 8
1.1 特性 ........................................................................................................................... 8
1.2 开始使用 ...................................................................................................................... 9
2 简简介介 .................................................................................................................................. 10
2.1 引脚分配 .................................................................................................................... 13
2.2 信号说明 .................................................................................................................... 18
3 功功能能概概述述 ............................................................................................................................ 24
3.1 内存映射 .................................................................................................................... 25
3.2 简要说明 .................................................................................................................... 33
3.2.1 C28x CPU ....................................................................................................... 33
3.2.2 内存总线（哈弗总线架构） .................................................................................... 33
3.2.3 外设总线 ......................................................................................................... 33
3.2.4 实时 JTAG 和分析 .............................................................................................. 34
3.2.5 闪存 ............................................................................................................... 34
3.2.6 ROM .............................................................................................................. 34
3.2.7 M0，M1 SARAM ............................................................................................... 34
3.2.8 L0，L1，H0 SARAM ........................................................................................... 35
3.2.9 引导 ROM ........................................................................................................ 35
3.2.10 安全性 ............................................................................................................ 36
3.2.11 外设中断扩展 (PIE) 块 ......................................................................................... 37
3.2.12 外部中断 (XINT1，XINT2，XNMI) ........................................................................... 37
3.2.13 振荡器和锁相环 (PLL) .......................................................................................... 37
3.2.14 安全装置 ......................................................................................................... 37
3.2.15 外设时钟 ......................................................................................................... 37
3.2.16 低功率模式 ....................................................................................................... 37
3.2.17 外设帧 0，1，2 (PFn) .......................................................................................... 38
3.2.18 通用输入/输出 (GPIO) 复用器 ................................................................................. 38
3.2.19 32 位 CPU 定时器 (0，1，2) .................................................................................. 38
3.2.20 控制外设 ......................................................................................................... 38
3.2.21 串行端口外设 .................................................................................................... 39
3.3 寄存器映射 ................................................................................................................. 39
3.4 器件仿真寄存器 ............................................................................................................ 41
3.5 中断 .......................................................................................................................... 41
3.5.1 外部中断 ......................................................................................................... 44
3.6 系统控制 .................................................................................................................... 45
3.6.1 OSC 和 PLL 块 .................................................................................................. 46
3.6.1.1 外部基准振荡器时钟选项 .......................................................................... 47
3.6.1.2 基于 PLL 的时钟模块 .............................................................................. 48
3.6.1.3 输入时钟损失 ....................................................................................... 49
3.6.2 安全装置块 ....................................................................................................... 50
3.7 低功率模式块 ............................................................................................................... 51
4 外外设设 .................................................................................................................................. 52
4.1 32 位 CPU 定时器 0/1/2 .................................................................................................. 52
4.2 增强型 PWM 模块 (ePWM1/2/3/4/5/6) .................................................................................. 54
4.3 高分辨率 PWM (HRPWM) ................................................................................................ 57
4.4 增强型 CAP 模块 (eCAP1/2/3/4) ........................................................................................ 57
4.5 增强型 QEP 模块 (eQEP1/2) ............................................................................................. 60
4.6 增强型模数转换器 (ADC) 模块 ........................................................................................... 62
4.6.1 如果 ADC 未被使用，ADC 连接 .............................................................................. 65
4.6.2 ADC 寄存器 ..................................................................................................... 66
4.7 增强型控制器局域网 (eCAN)模块（eCAN-A和 eCAN-B） ........................................................... 67
2
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