内内容容
1 使使用用引引导导加加载载程程序序进进行行编编程程 ..................................................................................................... 5
1.1 补充在线信息 ................................................................................................................ 5
1.2 简介 ........................................................................................................................... 5
1.3 标准复位 (RESET) 和 BSL 进入序列 ..................................................................................... 6
1.3.1 带有标准 JTAG 引脚的 MSP430 器件 ........................................................................... 6
1.3.2 带有专用 JTAG 引脚的 MSP430 闪存器件 ..................................................................... 7
1.3.3 带有 USB 的器件 ................................................................................................... 7
1.4 UART 协议 ................................................................................................................... 7
1.5 USB 协议 ..................................................................................................................... 7
2 基基于于 ROM 的的引引导导启启动动程程序序协协议议 ............................................................................................... 8
2.1 同步队列 ...................................................................................................................... 8
2.2 命令 ........................................................................................................................... 8
2.2.1 不受保护的命令 ..................................................................................................... 8
2.2.2 受密码保护的命令 .................................................................................................. 8
2.3 编程流程 ...................................................................................................................... 9
2.4 数据帧 ....................................................................................................................... 10
2.4.1 数据流结构 ........................................................................................................ 10
2.4.2 校验码 .............................................................................................................. 11
2.4.3 示例队列 ........................................................................................................... 11
2.4.4 命令-详细说明 ..................................................................................................... 11
2.5 可载入 BSL ................................................................................................................. 15
2.6 退出 BSL .................................................................................................................... 16
2.7 密码保护 .................................................................................................................... 16
2.8 代码保护保险丝 ............................................................................................................ 16
2.9 BSL 内部设置和资源 ...................................................................................................... 17
2.9.1 芯片识别和 BSL 版本 ............................................................................................ 17
2.9.2 外部调用 BSL 的矢量 ............................................................................................ 17
2.9.3 初始化状态 ........................................................................................................ 18
2.9.4 内存分配和资源 ................................................................................................... 19
3 基基于于闪闪存存的的引引导导加加载载程程序序协协议议 ................................................................................................. 20
3.1 BSL 数据包 ................................................................................................................. 20
3.2 UART 外设接口 (PI) ....................................................................................................... 20
3.2.1 包装器 .............................................................................................................. 20
3.2.2 缩写 ................................................................................................................. 20
3.2.3 消息 ................................................................................................................. 20
3.2.4 特定接口命令 ...................................................................................................... 21
3.3 USB 外设接口 .............................................................................................................. 21
3.3.1 包装器 .............................................................................................................. 21
3.3.2 硬件要求 ........................................................................................................... 21
3.4 BSL 内核命令结构 ......................................................................................................... 21
3.4.1 缩写 ................................................................................................................. 22
3.4.2 命令说明 ........................................................................................................... 23
3.5 BSL 安全 .................................................................................................................... 24
3.5.1 受保护命令 ........................................................................................................ 24
3.5.2 RAM 擦除 .......................................................................................................... 24
2
内容
ZHCU022B–July 2010–Revised March 2012
SLAU319 — http://www-s.ti.com/sc/techlit/SLAU319
版权 © 2010–2012, Texas Instruments Incorporated
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