KEA128 子系列参考手册
支持：S9KEAZ64AMLK(R)、S9KEAZ128AMLK(R)、
S9KEAZ64AVLK(R)、S9KEAZ128AVLK(R)、S9KEAZ64ACLK(R)、
S9KEAZ128ACLK(R)、S9KEAZ64AMLH(R)、S9KEAZ128AMLH(R)、
S9KEAZ64AVLH(R)、S9KEAZ128AVLH(R)、S9KEAZ64ACLH(R)和
S9KEAZ128ACLH(R)
Document Number: S9KEA128Z80M48SF0RM
Rev 2, July 2014
KEA128 子系列参考手册, Rev. 2, July 2014
2 Freescale Semiconductor, Inc.
内容
小节编号 标题 页
第 1 章
关于本文档
1.1 概述.................................................................................................................................................................................37
1.1.1 目的..................................................................................................................................................................37
1.1.2 受众..................................................................................................................................................................37
1.2 惯例.................................................................................................................................................................................37
1.2.1 编码系统..........................................................................................................................................................37
1.2.2 印刷符号..........................................................................................................................................................38
1.2.3 特殊术语..........................................................................................................................................................38
第 2 章
简介
2.1 概述.................................................................................................................................................................................39
2.2 模块功能类别.................................................................................................................................................................39
2.2.1 ARM Cortex-M0+内核模块............................................................................................................................40
2.2.2 系统模块..........................................................................................................................................................41
2.2.3 存储器和存储器接口......................................................................................................................................41
2.2.4 时钟..................................................................................................................................................................42
2.2.5 安全性和完整性模块......................................................................................................................................42
2.2.6 模拟模块..........................................................................................................................................................42
2.2.7 定时器模块......................................................................................................................................................43
2.2.8 通信接口..........................................................................................................................................................43
2.2.9 人机接口..........................................................................................................................................................44
2.2.10 可订购部件编号..............................................................................................................................................44
第 3 章
芯片配置
3.1 简介.................................................................................................................................................................................45
3.2 模块间互连.....................................................................................................................................................................45
3.2.1 互连概述..........................................................................................................................................................45
KEA128 子系列参考手册, Rev. 2, July 2014
Freescale Semiconductor, Inc. 3
小节编号 标题 页
3.2.2 模拟基准选项..................................................................................................................................................49
3.2.3 ACMP 输出捕捉............................................................................................................................................. 49
3.2.4 UART0_TX 调制............................................................................................................................................ 50
3.2.5 UART0/1/2_RX 捕捉......................................................................................................................................50
3.2.6 UART0_RX 滤波器........................................................................................................................................ 51
3.2.7 RTC 捕捉.........................................................................................................................................................51
3.2.8 FTM2 软件同步.............................................................................................................................................. 51
3.2.9 ADC 硬件触发................................................................................................................................................ 52
3.3 内核模块.........................................................................................................................................................................52
3.3.1 ARM Cortex-M0+内核配置............................................................................................................................52
3.3.1.1 ARM Cortex M0+内核 ...............................................................................................................53
3.3.1.2 总线、互连和接口......................................................................................................................54
3.3.1.3 系统节拍定时器..........................................................................................................................54
3.3.1.4 内核特权级别..............................................................................................................................54
3.3.1.5 缓存器..........................................................................................................................................55
3.3.2 可嵌套向量的中断控制器(NVIC)配置......................................................................................................... 55
3.3.2.1 中断优先级..................................................................................................................................55
3.3.2.2 不可屏蔽中断..............................................................................................................................55
3.3.2.3 中断通道分配..............................................................................................................................56
3.3.3 异步唤醒中断控制器(AWIC)配置................................................................................................................ 58
3.3.3.1 唤醒源..........................................................................................................................................58
3.4 系统模块.........................................................................................................................................................................59
3.4.1 SIM 配置..........................................................................................................................................................59
3.4.2 PMC 配置........................................................................................................................................................ 60
3.4.3 MCM 配置.......................................................................................................................................................61
3.4.4 简化交叉开关配置..........................................................................................................................................61
3.4.4.1 简化交叉开关主机分配..............................................................................................................62
3.4.4.2 交叉开关从机分配......................................................................................................................62
KEA128 子系列参考手册, Rev. 2, July 2014
4 Freescale Semiconductor, Inc.
小节编号 标题 页
3.4.5 外设桥配置......................................................................................................................................................63
3.4.5.1 外设桥的数量..............................................................................................................................63
3.4.5.2 存储器映像..................................................................................................................................63
3.5 系统安全性.....................................................................................................................................................................64
3.5.1 CRC 配置.........................................................................................................................................................64
3.5.2 WDOG 配置.................................................................................................................................................... 64
3.5.2.1 WDOG 时钟................................................................................................................................ 65
3.5.2.2 WDOG 操作................................................................................................................................ 65
3.6 时钟模块.........................................................................................................................................................................66
3.6.1 ICS 配置.......................................................................................................................................................... 66
3.6.1.1 时钟门控......................................................................................................................................67
3.6.2 OSC 配置.........................................................................................................................................................67
3.7 存储器和存储器接口.....................................................................................................................................................68
3.7.1 Flash 存储器配置............................................................................................................................................68
3.7.1.1 Flash 存储器大小........................................................................................................................68
3.7.1.2 Flash 存储器映像........................................................................................................................69
3.7.1.3 备用非易失性 IRC 用户微调说明.............................................................................................69
3.7.1.4 Flash 加密....................................................................................................................................70
3.7.1.5 擦除所有 Flash 内容...................................................................................................................70
3.7.2 Flash 存储器控制器配置................................................................................................................................70
3.7.3 SRAM 配置..................................................................................................................................................... 71
3.7.3.1 SRAM 大小................................................................................................................................. 71
3.7.3.2 SRAM 范围................................................................................................................................. 72
3.7.3.3 SRAM 位操作............................................................................................................................. 73
3.8 模拟.................................................................................................................................................................................74
3.8.1 12 位模数转换器(ADC)配置..........................................................................................................................74
3.8.1.1 ADC 实例化信息........................................................................................................................ 74
3.8.1.2 ADC0 连接/通道分配................................................................................................................. 75
3.8.1.3 ADC 模拟电源和基准连接........................................................................................................ 76
KEA128 子系列参考手册, Rev. 2, July 2014
Freescale Semiconductor, Inc. 5
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