SPRINGCARD SAS PRNHSP01 用户手册
PMD2271-BA
page 84 of 118
S
PRING
C
ARD
PC/SC C
OUPLERS
- H663
GROUP
- Developer's reference manual
5. U
SING
THE
H663
WITH
A
NFCIP-1
TARGET
5.1. I
NTRODUCTION
The H663 is a NFC Initiator. It could activate a remote NFC Target (only the passive communication
scheme is available).
The H663 implements the ISO 18092 “NFCIP-1” Transport Protocol, also named NFC-DEP by the
The H663 implements the ISO 18092 “NFCIP-1” Transport Protocol, also named NFC-DEP by the
NFC Forum.
* The PDU must be ENCAPSULATEd if it doesn't meet ISO 7816-4 constraints.
5.1.1.
Functions performed by the coupler
The H663 handles the NFC Transport Protocol internally:
•
Transmission of ATR_REQ when a potential NFC Target has been detected, handing of
ATR_RES,
ATR_RES,
•
Initial exchange of parameters (PSL_RES / PSL_RES) if needed,
•
Fragmentation of DEP_REQ, chaining of DEP_RES,
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PC
application
H663
ISO
18092
target
target
(A or F)
Polling + anticollision
(SENS-A, SENS-F)
Enter NFC-DEP
(ATR_REQ)
(ATR_RES)
Card insert event
(SCardWaitStatusChange)
Connect to the target
(SCardConnect)
Send PDU
(ScardTransmit FF FE … *)
PDU from initiator
(DEP_REQ)
PDU from target
(DEP_RES)
Recv PDU
(ScardTransmit success)
Send PDU
(ScardTransmit FF FE … *)
PDU from initiator
(DEP_REQ)
PDU from target
(DEP_RES)
Recv PDU
(ScardTransmit success)
(...)
(...)
Disconnect from the target
(SCardDisconnect)
Leave NFC-DEP
(DSL_REQ)
(DSL_RES)