Specifications
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1.20  SAM(Secure Application Module) 
This chapter describes about detailed specifications of the SAM. 
1.20.1 Basic Specifications 
Access functions are supported for SAM cards inserted in the SAM card slot. Communication can 
be performed with SAM cards compliant with ISO7816. 
1.20.2 Power Control 
SAM card controller power control 
When a SAM device is opened, power is supplied to the SAM card controller and the ASIC that 
controls the controller. When a SAM device is closed, power to the SAM card controller and the 
ASIC that controls the controller is cut off. 
The following SAM library functions relate to this function. 
open 
: Turns on power to the SAM card controller 
close 
: Turns off power to the SAM card controller 
SAM card power control 
The power supply for the SAM card can be controlled to switch on and off by executing a SAM 
library function while a SAM device is open. 
The following SAM library functions relate to this function. 
powerUpCard 
: Turns on power to the SAM card in the specified slot 
powerDownCard 
: Turns off power to the SAM card in the specified slot 
1.20.3 Communication Functions 
Command Send/Receive Functions 
APDU (Application Protocol Data Unit *1) format commands can be sent to a SAM card that is 
switched on. Information from the SAM card in response to such commands can be acquired. 
*1 Refer to the ISO7816-3 standard for details of the APDU format. 
The following SAM library functions relate to this function. 
exchangeData 
: Sends APDU-format commands to the SAM card in the specified slot, and 
receives responses 










