4d Systems uUSB-PA5 $USB-PA5 uUSB-PA5 数据表
产品代码
uUSB-PA5
4D SYSTEMS μUSB-PA5
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4. Pin Configuration and Summary
microUSB (μUSB-PA5) additional Pin Outs
Symbol
Description
RTS
Ready to Send Output (active low)
DTR
Data Terminal Ready Output (active low)
RESET
This pin provides a LOW level RESET pulse of several hundred micro seconds when
the DTR signal is toggled.
the DTR signal is toggled.
TX
Serial Data Transmit output. This connects to the host Rx (Serial Receive) input.
RX
Serial Data Receive input. This connects to the host Tx (Serial Transmit) output.
CTS
Clear to Send Input (active low)
SUSP
USB Suspend State (active low)
TXDEN
Transmit Data Enable, for enabling external circuits such as RS485 (active high)
GND
Ground
+5V
+5V Power from USB (up to 500mA). Power supply to external circuits