Dear all,
I'm connecting my reader to a MCU instead of a PC where the MCU acts as the host. How will the reader actually handle the command packet from the MCU and response packet from the card? The reader that i'm using is ASEDrive IIIe serial (Athena's Product). Follow are 2 question that i would like to ask on this matter.
1. When i'm dealing with command under ISO7816 (Example: Read Binary command, 16 byte in length), where i first sent it from the MCU to the reader. Then will the reader actually:
Case 1: wait until it reacived all the 16 byte of command from MCU and then sent it to the card .
Case 2: receive 1 byte from the MCU and transmit 1 byte to the card until it finish all 16 byte command.
Which case is correct?
2. After the card had receive the command that is
under the ISO7816, the card will sent back response to the reader. Then will the reader actually,
Case 1: Wait until it receive all the response packet from the card (where every byte of the response will be temporary stored in the reader's buffer) and then transmit it to the MCU.
Case 2: receive 1 byte from the card and then transmit it to the MCU.
Which case is correct?
Thanks in advance!
Your help is very much appreciated!
Regards,
jackie wong
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