User's Manual

Nano WiReach SMT G2 –Datasheet
14
Bottom View
5. Layout and Pin Description
1) Layout
2) Pin Functional Description
Pin
Signal
Type
Description
1
GND
Power
2
HDM
Analog
USB Host negative
3
HDP
Analog
USB Host positive
4
nRESET
Input
Reset Module. Pull LOW for 100mSec to Reset
5
PIOC4
I/O
General In/Output Port
6
MSEL
Input
Mode select. Used for inducing rescue mode and forced local
FW
-update.
7
DATA_RDY
Output
Data ready. Signals incoming Internet data.
8
ETX_EN
Output
RMII Transmit Enable
9
REFCLK
Input
RMII Reference Clock 50Mhz
10
ETX0
Output
RMII transmit Data 0
11
ETX1
Output
RMII transmit Data 1
12
CRSDV
Input
RMII Carrier sense and Data Valid
13
ERX0
Input
RMII Receive Data 0
14
ERX1
Input
RMII Receive Data 1