iCLASS SE Reader Module Hardware Developer’s Guide, SE3200-902, Rev. C.1
Page 25 of 52 February 2014
Table 12: Wiegand Electrical Characteristics – Host Interface
WG_DATA0
WG_DATA1
Current Draw (into 1K + 10ohms) 2.6(*) mA
WG_DATA0
WG_DATA1
High Level Output Voltage 2.6 VDC
5.6 I/O
The I/O signals are backward compatible to the OEM75 product.
Table 13: I/O Electrical Characteristics – Host Interface
nGLED_CPRES
nBEEPER
nRLED
Current Draw
(Open Collector)
60 mA
nReset
Low-level Input Voltage 0.2 VDC
High-level Input Voltage 1.6 5.5 VDC
nHold
Low-level Input Voltage 0.2 VDC
High-level Input Voltage 1.6 5.5 VDC
5.7 Regulated Voltage Outputs
Table 14: Regulated Voltage Output Electrical Characteristics
+3V3
Output Voltage 3.168 3.3 3.432 VDC
Output Current 30 mA
Note: The regulated voltage output is deactivated if the module is in Ultra Low Power
mode.
5.8 RF Interface (13.56 MHz)
Table 15: 13.56 MHz RF Interface - Electrical Characteristics Power Supply
ATX Output Power 750 1000 mW
PING_LVL
PING_SIG
PING_EN
Connect according to 6.1.1 Ultra Low Power Mode.
Note: The output power depends on the connected antenna and its impedance. For
optimum performance, a 50 Ω tuned antenna is recommended.