C11/G2
Hardware Reference
Release r09
www.stollmann.de
Page 13 of 54
3.4.2 RS-485 Support
For RS-485 support the serial interface has to be connected to an external Trans-
ceiver, we suggest the MAX3491E from Maxim Integrated Products, due to it sup-
ports full duplex transmissions.
UART_RX
UART_TX
C11/G2
Connections in Full Duplex Mode
D
R
RO
RE
DI
DE
GND
A
B
Z
Y
VCC
GND
2
3
4
5
14
6,7
9
10
11
12
+
+3,3V
MAX3491E
UART_CTS
GND
UART_RX
UART_TX
C11/G2
Connections in Half Duplex Mode
D
R
RO
RE
DI
DE
GND
A
B
Z
Y
VCC
GND
2
3
4
5
14
6,7
9
10
11
12
+
+3,3V
MAX3491E
UART_CTS
Summary of Contents for BlueMod+C11/G2 Series
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