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Programmable Hardware Manual (PHM)
© Tibbo Technology Inc.
Pin #
Function
1
Vcc output (3.3V)
2
GND
3
RX
(1)
4
TX
(1)
5
GPIO0/P0.0/INT0
(1)
6
GPIO1/P0.1/INT1
(1)
7
GPIO2/P0.2
(1)
8
GPIO3/P0.3
(1)
9
GPIO4/P0.4
(1)
10
GPIO5/P0.5
(1)
11
GPIO6/P0.6
(1)
12
GPIO7/P0.7
(1)
13
MD
(1)
14
RST
(1)
15
GND
16
VIN (12V)
(1)
Directly connected to the corresponding pin of the EM500 (EM510).
EM500EV-IB0
The EM500EV-IB0 RS232 interface board implements one RS232 serial port. The
board incorporates the SIPEX SP3243 RS232 transceiver IC. RS232 interface lines
are available on a standard DB-9M connector:
Pin # (DB-9M)
R232 line (DB-9M)
EM500 control line
1
CD (input)
GPIO4/P0.4
2
RX (input)
RX
3
TX (output)
TX
4
DTR (output)
GPIO3/P0.3
5
SYSTEM GROUND
6
DSR (input)
GPIO1/P0.1/INT1
7
RTS (output)
GPIO2/P0.2
8
CTS (input)
GPIO0/P0.0/INT0
9
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