基于单芯片的数字对讲机基带系统设计  

Digital Walkie-talkie Baseband System Based on Single Chip

作　　者：冯杰[1] 谢晓明[1] 

机构地区：[1]北京化工大学信息科学与技术学院,北京100029

出　　处：《单片机与嵌入式系统应用》2013年第7期55-57,60,共4页Microcontrollers & Embedded Systems

摘　　要：LPC4357是NXP公司推出的基于ARM Cortex-M4内核的MCU,本文介绍了基于该MCU的一种数字对讲机方案,阐述了芯片选型、关键部件设计以及基于FreeRTOS的软件设计方法。该方案具有低成本、低复杂度的优点,适合产业转型期的过渡方案。LPC4357 is an MCU produced by NXP based on ARM Cortex-M4 core. A scheme of digital walkie-talkie based on LPC4357 is introduced by the paper. Chip selection, key component design and software design based on FreeRTOS are described. This scheme has the features of low cost and low complexity~ it is suitable for transition program of industrial restructuring.

关 键 词：LPC4357 Cortex—M4 FREERTOS 数字对讲机 

分 类 号：TN929.54[电子电信—通信与信息系统]