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AT43USB370 PDF预览

AT43USB370

更新时间: 2024-02-20 03:08:34
品牌 Logo 应用领域
爱特美尔 - ATMEL 微控制器和处理器外围集成电路uCs集成电路uPs集成电路
页数 文件大小 规格书
50页 538K
描述
USB 2.0 Full-Speed Host/Function Processor

AT43USB370 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFP包装说明:LFQFP, QFP100,.63SQ,20
针数:100Reach Compliance Code:unknown
风险等级:5.89地址总线宽度:8
最大时钟频率:6 MHz外部数据总线宽度:32
JESD-30 代码:S-PQFP-G100JESD-609代码:e0
长度:14 mm端子数量:100
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装等效代码:QFP100,.63SQ,20封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH电源:1.8,3.3 V
认证状态:Not Qualified座面最大高度:1.6 mm
子类别:Bus Controllers最大供电电压:3.6 V
最小供电电压:3 V标称供电电压:3.3 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD宽度:14 mm
uPs/uCs/外围集成电路类型:BUS CONTROLLER, UNIVERSAL SERIAL BUSBase Number Matches:1

AT43USB370 数据手册

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Features  
USB 2.0 Full Speed Host/Function Processor  
– Real-time Host/Function Switching Capability  
– Internal USB and System Interface Controllers  
– 32-bit Generic System Processor Interface with DMA  
– Separate TX and RX Buffers for Host and Function Operations  
– In-System Firmware Upgrade  
Autonomous USB Host Operation without System Processor Intervention  
– Device Enumeration  
– USB Protocol Management  
– Bus Bandwidth Reclamation  
– Status Handling  
USB 2.0  
Full-Speed  
Host/Function  
Processor  
– Control, Bulk, Interrupt and Isochronous Transfers  
– Supports Up to 7 USB Devices Concurrently  
Full-speed Function Controller  
– 1 Bi-directional Control Endpoint  
– 6 Programmable (Maximum Packet Size and Endpoint Type) Endpoints  
– Control, Interrupt, Bulk and Isochronous Transfer Support  
– Automatic Retry for Non-Isochronous Endpoints  
Integrated USB Firmware  
– Easy-to-use, ANSI C Compliant API USB Device Driver Development  
– Embedded, OS Agnostic USB Host Stack  
– Embedded System Interface Controller Driver  
– Embedded USB Hub Driver  
AT43USB370  
6 MHz Operation  
1.8 V and 3.3 V Operation  
100-pin LQFP Package  
Description  
Atmel's AT43USB370 is a USB 2.0 compliant, dual-role, full-speed Host/Function pro-  
cessor designed specifically to enable point-to-point USB connectivity for embedded  
devices. It features an integrated USB host stack, a system interface driver, on-chip  
USB signaling hardware, 32-bit generic system processor interface with DMA support,  
and on-the-fly host/function switching capability.  
The on-chip USB hardware features a USB transceiver, a serial interface engine (SIE),  
a SIE controller, and an SOF generation block. It supports the physical and data link  
layer of the USB protocol whereas the USB transaction layer is implemented in  
firmware.  
In host mode, the integrated USB firmware consists of the Host USB Controller Driver  
(HUSBCD) running on the USB Controller (USBC) and the Host System Interface  
Controller Driver (HSICD) resident on the System Interface Controller (SIC). The  
HUSBCD provides complete USB protocol management including device enumera-  
tion, transaction management, scheduling and frame management, and bus  
reclamation. The HSICD serves as an interface between the HUSBCD and applica-  
tions resident on the external system processor. It handles all of the high-level data  
flow management during a USB transaction. Together, the HUSBCD and the HSICD  
deliver complete USB host operations autonomously, without the intervention of the  
system processor.  
Rev. 3340B–USB–12/03  

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