F81534,该智能设备是USB端口和四个UART端口外围设备之间的理想桥梁，符合USB 2.0高速（480Mbps）和标准串行端口规范。每个UART包括128字节的发送/接收FIFO、完整的调制解调器控制功能和中断系统。F81534包括用于内部使用的+1.8V和+3.3V LDO调节器。
Support the Quad RS-232/RS-485/RS-422 Serial interface with the transfer Data Rate & Baud Rate
All UART Support HW Auto Flow Control Function
128-byte Receive/Send FIFO
Support USB 2.0 Specification High Speed (480Mbps) & Full Speed (12Mbps)
Built in 1.8 & 3.3V LDO for internal usage
Support External Crystal 12MHz
Plug & Play Compatible
Design Guarantee -40°C~85°C Industrial Temperature Range
Support ESD Protection & Latch-up Free
Package in 64-pin TQFP (7*7mm)
Support Related USB Drivers
Windows XP
Windows 7 32-bit & 64 bit
Windows 8 32-bit & 64 bit
Windows 8.1 32-bit & 64 bit
Windows 10 32-bit & 64 bit
Linux
F81534U
F81534U-I
TQFP-64
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