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pos specification, you can design your system with pos front!
OHCI 规范 Open Host Controller Interface Specification for USB
Universal Serial Bus Device Class Specification for Device Firmware Upgrade
CDMA AT 命令 WAVE CDMA AT Commands Interface Specification
3rd Generation Partnership Project Technical Specification Group Terminals Technical realization of the Short Messag...
LG Digital Half-NIM tuner for COFDM (DVB-T) Specification
Marvell WLAN Firmware Specification v5.1 PDF from libertas-dev ML
资料->【B】电子技术->【B5】通信技术->【1】通信协议->【USB、OTG】->Universal Serial Bus Device Class Specification for Device Firmware Upgrade.p...