Arm® Cortex®-M4_Kinetis K81 150 MHz 32位MCU

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Kinetis^® K81 MCU扩展了Kinetis MCU产品组合，具有一些先进的安全功能，包括防篡改外设、引导ROM支持加密的固件更新、从外部串行闪存中自动解密、具有边带攻击保护的AES加速以及公钥加密的硬件支持。K81 MCU可用于满足POS应用的安全标准。

数据手册

参考手册

产品详情

框图

Kinetis K81_150 MCU Block Diagram

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特征

存储器和可扩展性

256KB闪存
256KB SRAM
CPU缓存，包括独立的8KB I/D和8KB系统缓存
QSPI控制器，从外部串行NOR闪存中针对XIP进行了优化，支持四路和八路数据接口
SDRAM和外部存储器总线接口
通过eSDHC外设的eMMC/SDIO接口

超低功耗

灵活的低功耗模式，提供电源和时钟门控，可以实现最佳的外设活动和恢复速度。停止电流<340 nA，运行电流为200 µA/MHz，停止模式唤醒时间为5.8 µs
工作电压降至1.71 V时，仍可实现完整的存储器和模拟操作，延长了电池使用时间
低功耗唤醒单元，带有多达7个内置模块和24个引脚，可作为低功耗停止(LLS)模式/超低功耗停止(VLLS)模式的唤醒源
低功耗外设和DMA支持系统在低功耗状态下持续运行

性能

Arm^{^®} Cortex^®-M4内核 + DSP，高达150 MHz、单周期 MAC、单指令多数据(SIMD) 扩展、单精度浮点运算单元
多达32通道的DMA用于外设和存储器维护，可以降低CPU负载，实现更快的系统吞吐
CPU缓存，包括独立的8KB I/D和8KB系统缓存
交叉开关支持并发多主设备总线访问，增加总线带宽

集成成本节约

48MHz内部参考时钟，能够支持全速USB器件，无需外部晶振
集成的USB稳压器，支持从USB电缆直接连接到5V
有多个引脚的独立的I/O电源域，支持无外部电平转换器的接口
模拟参考电压可为模拟模块、ADC和DAC提供精确的参考值，代替外部参考电压，降低系统成本

HMI (人机接口)

32引脚FlexIO模块，能够连接摄像头或显示器
外部存储器总线，用于连接智能显示模块
Kinetis^{^®} SDK软件库支持的触摸传感接口
通用IO引脚，可支持数字过滤

混合信号功能

可配置分辨率的16位模数转换器(ADC)。单个或差分输出模式操作，以改善噪声抑制
12位数模转换器(DAC)，可为音频应用生成模拟波形
两个高速比较器，通过将脉宽调制(PWM)置于安全状态，提供快速准确的电机过流保护
模拟参考电压可为模拟模块、ADC和DAC提供精确的参考值，代替外部参考电压，降低系统成本

连接与通信

USB 2.0 OTG (全速)，带USB收发器。带嵌入式48 MHz振荡器的智能式设计，可采用USB无晶振系统设计。设备充电检测优化了便携式USB设备的充电电流/时间，延长了电池使用时间。低压稳压器可通过5 V输入为外部组件提供高达120 mA，3.3 V的片外供电
最多4个UART，支持IrDA
EMVSIM模块，支持ISO7816智能卡
IC间音频传输(I2S)串行接口，用于接入音频系统
3个DSPI和4个I2C

可靠性和安全性

存储器保护单元可为交叉开关上的所有主设备提供存储器保护，提高软件可靠性
循环冗余校验引擎可验证存储器内容和通信数据，提高系统可靠性
时钟独立的COP可防止时钟偏移或代码失控，适用于故障安全型应用(例如，针对家用电器的IEC 60730安全标准)
如果发生看门狗事件，外部看门狗监控器可将输出引脚置于安全状态外部组件

先进的安全性

闪存和芯片安全设置
存储器保护单元可为交叉开关上的所有主设备提供存储器保护，提高软件可靠性
安全操作对称加密的硬件实现。支持DES、3DES、AES、MD5、SHA-1和SHA-256算法
能够禁用JTAG和芯片唯一ID
ROM支持，用于加密固件更新
闪存访问控制器，打造嵌入式闪存的仅执行域
硬件加密协处理器，支持DES、AES和公钥加密
外部串行NOR闪存的动态AES解密和执行
篡改检测模块，可检测温度、电压、时钟或引脚篡改，能够创建主动防篡改网格
2KB的安全会话RAM，可链接到篡改检测模块

设计文件

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K80 K81 K82 BSDL Files

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Kinetis^® Symbols, Footprints and Models

INTERNAL版本 1.0Nov 27, 20171 KBCAD-SYMBOLFOOTPRINTS

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硬件

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^{评估/开发板与系统}
面向Kinetis^® K82、K81和K80 MCU的Freedom开发平台亮点

FRDM-K82F
^{评估/开发板与系统}
Kinetis K81 MCU POS塔式系统模块亮点

TWR-POS-K81
^{评估/开发板与系统}
Kinetis^® K80 MCU Tower^® System Module亮点

TWR-K80F150M
其他可用硬件. 查看我们的精选合作伙伴解决方案.
^{仿真器、探测器和编程器}
Universal Multilink开发接口

UMultilink
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JTAG/SWD硬件调试器

MCU-LINK
^{仿真器、探测器和编程器}
PEmicro Cyclone编程器

CYCLONE
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PEmicro Cyclone FX编程器

CYCLONE-FX
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LPC-Link2

OM13054
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MCU-Link Pro硬件调试器

MCU-LINK-PRO
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Universal Multilink FX高速开发接口

U-MULTILINK-FX
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MPC560x校准、调试和接口板

MPC560xBOARDS
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PIN Pad POS解决方案

PIN-PAD-POS
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POS解决方案

POINT-OF-SALE-RDR

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Mikromedia 7 Capacitive FPI wit

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Arm ULINKpro

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J-Link BASE

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CYCLONE FX

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TRACE32 JTAG/SWD Debugger for A

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Arm ULINKplus

ULINKplus combines isolated debug connection, power measurement, and I/O for test automation. It gives you visibility to function, timing, and power consumption of your e...

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USB Multilink Universal FX

Multilink Universal FX is a high-speed,BDM/JTAG debug probe for Kinetis, LPC, S32, Qorivva MPC5xxx, MPC5xx/8xx, ColdFire, HC(S)12(X), S12Z, HCS08, RS08, DSC, 683xx, & HC1...

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J-Link PRO

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CODEGRIP for ARM

CODEGRIP for ARM is a fast USB-C and WiFi programmer and hardware debugger. It supports ARM Cortex-M0, M3,M4 and M7 based MCUs. With a set of unique and innovative funct...

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Flasher ATE

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Flasher Secure

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PROGACMP

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CYCLONE LC

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Flasher Portable PLUS

Flasher Portable PLUS is an extremely portable flash programmer, specifically designed to meet the needs of production-grade flash programming in the field.

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J-Link WiFi

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By SEGGER Microcontroller GmbH Gold 合作伙伴
^{硬件测试配件和调试器}
USB Multilink Universal

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Flasher PRO

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Green Hills Probe

High speed on-chip download, run control and trace.

By Green Hills Software Platinum 合作伙伴
^{嵌入式板子解决方案}
uCMK6x IoT SOM

The uCMK6x IoT SOM is a turn-key platform for secure IoT systems. It features the K64 MCU, Ethernet and Wi-Fi networking combined with Mbarx Secure IoT firmware for cloud...

By Arcturus Gold 合作伙伴
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uCMK6x VoIP SOM

Kinetis K6x based module for hardened VoIP and IP audio/PA applications. Supports SIP/RTP with full duplex, narrow/wideband audio including AEC and noise reduction. Inclu...

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e2e System security design

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EMVCo L1 pre-certification

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Cloud applications development

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