ib technology
Data Sheet
MFPROT_LP.pdf
35 Pages
Last Revised 09/08/11
Micro RWD MF (Mifare) Low Power Version
(with auxiliary data outputs)
The MicroRWD MF LP (Low Power) module is a complete read and write solution for 13.56
MHz Mifare Classic cards (1k, 4k and Ultralight versions) and supports “Mifare” contactless
operations to dual-interface cards such as Mifare ProX, Smart MX (JCOP) and other types.
DESfire and Mifare PLUS cards are supported for serial number acquisition only. The
solution is entirely housed within a 24-pin DIL package and only needs an antenna connected
and a 5v DC supply to be a fully featured ISO14443A Mifare read/write system. The
MicroRWD MF LP version behaves in the same manner as the standard reader except that it
has an
active, average current consumption of less than 150µA (micro Amps)
with 1
µ
second polling rate. As on other RWD modules, all commands and data response are via a
simple TTL level RS232 interface. In addition, the RWD MF LP version has
auxiliary data
outputs on the OP0 / OP1 pins
that can be programmed to automatically output UID (serial
number) or other block data as
asynchronous 9600 baud
serial or
Wiegand protocol Data
High / Data Low signals.
All these features can be configured and turned ON/OFF by setting
RWD EEPROM parameters. The diagram below shows the pin out configuration for the
MicroRWD MF LP module.
Micro RWD MF LP module connections
+5v
Red LED
1
24
CTS
TTL
Tx
1k
Current limiting
resistor
Green LED
Rx
+5v DC supply
Micro
RWD
MF-LP
RS232 I/F
“BEEP” output
0v GND
+5v
OP0
OP1
Auxiliary (automatic) data outputs:
9600 baud serial - OP0
OR
24/32-bit Wiegand protocol
DATA HIGH – OP0
DATA LOW – OP1
1 uH Antenna
12
13
0v GND
Aux out (serial) data can be
redirected from OP0 to Tx, pin 23
With the ultra-low-power current consumption and the additional auxiliary data output
features, this one of the most compact and flexible reader systems available.
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