Digi International Inc 50M1538 Manuel D’Utilisation
C o n n e c t o r s : P o w e r a n d S e r i a l I n t e r f a c e
1 2
D i g i C o n n e c t W i - E M 9 2 1 0 H a r d w a r e R e f e r e n c e
Power and Serial Interface
Power and Serial Interface Pin Assignments
Pin
Signal Name
Description and Notes
1
VCC
+3.3 VDC (input only)
2
GND
Reference Ground for input power
3
RXD/GPIO-7
Port 1 RXD (input)/GPIO-7
4
TXD/GPIO-6
Port 1 TXD (output)/GPIO-6
5
RTS/GPIO-4/SPI_CLK
Port 1 RTS/GPIO-4/SPI clock
6
DTR/GPIO-5
Port 1 DTR (output)/GPIO-5
7
CTS/GPIO-2
Port 1 CTS (input)/GPIO-2
8
DCD/GPIO-1/SPI_EN
Port 1 DCD (input)/GPIO-1/SPI enable
9
DSR/GPIO-3
Port 1 DSR (input)/GPIO-3
10
/RST
Reset (input)
11
RXD/GPIO-9
Port 2 RXD (input)/GPIO-9
12
TXD/GPIO-8
Port 2 TXD (output)/GPIO-8
pin 1
2
3
4
5
top view
11
7
9
8
10
12
6