mc9s08gb/gt 数据 薄板, rev. 2.3
8 freescale 半导体
部分 号码 标题 页
Chapter 4
记忆
4.1 mc9s08gb/gt 记忆 编排 .......................................................................................................39
4.1.1 重置 和 中断 vector assignments ..........................................................................39
4.2 寄存器 地址 和 位 assignments ........................................................................................41
4.3 内存 ................................................................................................................................................46
4.4 FLASH ............................................................................................................................................46
4.4.1 特性 ............................................................................................................................47
4.4.2 程序 和 擦掉 时间 ................................................................................................47
4.4.3 程序 和 擦掉 command 执行 ........................................................................48
4.4.4 burst 程序 执行 .................................................................................................49
4.4.5 进入 errors ...................................................................................................................50
4.4.6 flash 块 保护 .................................................................................................51
4.4.7 vector redirection ...........................................................................................................52
4.5 安全 ............................................................................................................................................52
4.6 flash 寄存器 和 控制 位 .................................................................................................53
4.6.1 flash 时钟 分隔物 寄存器 (fcdiv) .......................................................................54
4.6.2 flash 选项 寄存器 (fopt 和 nvopt) ..............................................................55
4.6.3 flash configuration 寄存器 (fcnfg) .......................................................................56
4.6.4 flash 保护 寄存器 (fprot 和 nvprot) ......................................................56
4.6.5 flash 状态 寄存器 (fstat) .....................................................................................58
4.6.6 flash command 寄存器 (fcmd) ..............................................................................59
Chapter 5
resets, 中断, 和 系统 配置
5.1 介绍 .....................................................................................................................................61
5.2 特性 ...........................................................................................................................................61
5.3 mcu 重置 ......................................................................................................................................61
5.4 计算机 运行 合适的 (cop) 看门狗 .............................................................................62
5.5 中断 .........................................................................................................................................62
5.5.1 中断 堆栈 框架 ......................................................................................................63
5.5.2 外部 中断 要求 (irq) 管脚 ..............................................................................64
5.5.2.1 管脚 configuration 选项 ..............................................................................64
5.5.2.2 边缘 和 水平的 敏锐的 ..............................................................................65
5.5.3 中断 vectors, 来源, 和 local masks ..................................................................65
5.6 低-电压 发现 (lvd) 系统 ................................................................................................67
5.6.1 电源-在 重置 运作 ..............................................................................................67
5.6.2 lvd 重置 运作 .......................................................................................................67
5.6.3 lvd 中断 运作 .................................................................................................67
5.6.4 低-电压 警告 (lvw) ..........................................................................................67
5.7 real-时间 中断 (rti) ...............................................................................................................67
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