HID Global Corporation 5553 Manuale Utente
1508-USM-00-0-04
HF Multi ISO RFID Reader User Manual, Firmware V1.4
1.4.5 SAM Connector/Socket
Note: The power supply to the SAM must be turned off during the entire SAM insertion/withdrawal
period; otherwise damage to the SAM may occur.
period; otherwise damage to the SAM may occur.
When using a SAM with the OEM board, it is recommended that a 100nF decoupling capacitor be
fitted between Vcc and GND close to the SAM socket to ensure proper operation. The complete
circuit diagram is shown in Figure 8 - SAM Connector.
fitted between Vcc and GND close to the SAM socket to ensure proper operation. The complete
circuit diagram is shown in Figure 8 - SAM Connector.
7
OEM Board
8
9
9
SAM
Module
Module
Vcc
GND
CLK
I/O
RST
I/O
RST
100nF
Figure 8 - SAM Connector
PIN-outs for 8 Pin SAM Socket and 6 Pin SAM Socket is shown in
Appendix B
.
Note: The SAM interface hardware does not support error repetition and does not check the parity
bit.
bit.
Page 18 of 144
August 2010
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