CP2102N Datasheet, PDF (28/44 Pages) Silicon Laboratories – USBXpress Family

Pin
Number
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Center
Pin Name Description
CP2102N Data Sheet
Pin Definitions
VDD
VREGIN
VBUS
RSTb
NC
SUSPENDb
GND
WAKEUP
SUSPEND
CTS
RTS
RXD
TXD
GPIO.3 /
RXT
GPIO.2 /
TXT
GND
Supply Power Input /
5V Regulator Output
5V Regulator Input
Digital Input. VBUS Sense Input. This pin should be connected to the VBUS signal of a USB
network. A 5 V signal on this pin indicates a USB network connection.
Active-low Reset
No Connect (leave this pin floating).
Digital Output. This pin is driven low when the device enters the USB suspend state.
Ground
Digital Input. Remote USB wakeup interrupt input.
Digital Output. This pin is driven high when the device enters the USB suspend state.
Digital Input. Clear To Send control input (active low).
Digital Output. Ready To Send control output (active low).
Digital Input. Asynchronous data input (UART Receive).
Digital Output. Asynchronous data output (UART Transmit).
Digital Input/Output. General Purpose I/O.
Digital Output. Receive LED toggle.
Digital Input/Output. General Purpose I/O.
Digital Output. Transmit LED toggle.
Ground
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