基于MC9S12UF32的USB接口设计  

Design of USB interface Based on MC9S12UF32 Chip

作　　者：徐建林 聂章龙[2] Xu Jianlin;Nie Zhanglong(Bergstrom Company,JiangsuChangzhou,213135;Changzhou College of Information Technology,JiangsuChangzhou,213164)

机构地区：[1]博格思众有限公司,江苏常州213135 [2]常州信息职业技术学院,江苏常州213164

出　　处：《科技风》2021年第1期91-93,96,共4页

摘　　要：为了实现对Freescale MC9S12UF32芯片的USB2.0模块的开发,首先,阐述了MC9S12UF32单片机专门作为高速USB存储设备接口设计芯片的优势和特点;然后提出了海量存储设备的USB2.0接口设计方案,在软、硬件架构上实现访问MC9S12UF32芯片USB2.0接口,设计方案加速了USB2.0设备开发,促进了USB2.0设备接口的应用,具有较好的理论和应用价值。In order to implement development of USB2.0 module of MC9S12UF32 chip,firstly,describing the advantages and characteristics of MC9S12UF32 which is integrated high-speed USB storage device interface.Then,proposing the design scheme of USB2.0 mass storage device interface,the scheme realizes the access to USB2.0 interface of MC9S12UF32 in software and hardware architecture.This scheme not only effectively improves development of USB devices,It can also be widely used in the practical application design of USB2.0 equipment interface,and has good theoretical and application value.

关 键 词：MC9S12UF32 USB2.0 设备枚举 Bulk-Only传输协议 SCSI命令集 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]