EMPROT Datasheet, PDF (16/17 Pages) rfsolutions.ltd – Micro RWD EM4102 Low Power Version

ib technology
Micro RWD EM4102 module dimensions and pinout
Standard 0.1inch/ 2.54 mm pitch
1
24
Pins mounted to hybrid
flush with substrate.
PCB Row Spacing
18.5 mm
Unconnected pin pads
Micro
RWD
30.5 mm
12
13
18mm
PINOUT DESCRIPTION
Pin Name
DIP No. I/O Type Buffer Type
Description
LED1
1
O
TTL
Red LED connection. 25ma max sink current
LED2
2
O
TTL
Green LED connection. 25ma max sink current
RESET
3
I
ST
Reset pin internally pulled high. Active low.
Normally not connected
BEEP
4
O
TTL
BEEP output pin (active LOW), 25ma max sink
current
OP3
5
O
TTL
Auxiliary output drive. 25ma max sink current.
OP2
6
O
TTL
Auxiliary output drive. 25ma max sink current.
GND
7
P
-
Ground reference for logic and analogue pins
-
8
-
-
Not connected
AN1
9
P
AN
Antenna connection. 1 (connected to antenna coil)
-
10
-
-
Not connected
-
11
-
-
Not connected
AN2
12
P
AN
Antenna connection 2 (connected to antenna coil)
GND
13
P
-
Ground reference for logic and analogue pins.
-
14
-
-
Not connected
-
15
-
-
Not connected
-
16
-
-
Not connected
-
17
-
-
Not connected
-
18
-
-
Not connected
OP1
19
O
TTL
Auxiliary output drive. 25ma max sink current.
OP0
20
O
TTL
Auxiliary output drive. 25ma max sink current.
VCC
21
P
-
+5v Positive supply
RX
22
I
TTL
Serial communication Receive line. 9600 baud, 8 bit,
1 stop, no parity
TX
23
O
TTL
Serial communication Transmit line
CTS
24
O
TTL
Serial communication CTS handshake. RX enabled
when CTS low and disabled when high.
(I/O = Input/Output, AN = Antenna output, P = Power, ST = Schmitt Trigger input, TTL = TTL logic I/O)
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