User manual

SCHEMATIC:
Page 4
100nF
47uF/6.3V/tant
0
NA NA
NA
100R
NA NA
TB4/5MM
120R
sck
BH10S
3.3V 3.3V
3.3V
3.3V
3.3V
#ss
#SS
A B
RXD
SCK
SCL SDA TXD
1
2
3
#SS/SDA
C1
C2
12
ENABLE_RT
R1 R2
R3
R4
R5 R6
RS485-1 RS485-2 RS485-3 RS485-4
RT
1
2
3
SCL/SCK
/RE
2
A
6
B
7
DE
3
DI
4
GND
5
RO
1
VCC
8
U1 ADM3483ARZ
1 2 3 4 5 6 7 8 9 10
UEXT
MOD-RS485 Rev. Initial COPYRIGHT(C) 2010, OLIMEX Ltd. http://www.olimex.com/dev
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