NXP Semiconductors PN544 C2 - NFC-WI

NXP Semiconductors
UM191812
PN544 C2 User Manual
191812 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
User Manual Rev. 1.2 — 2010-06-16 95 of 172
9.7 NFC-WI
The host could manage the secure element connected over NFC-WI through a dedicated
gate “NfcWiMgt”.
Table 72. NfcWiMgt gate
Gate GID
NfcWiMgt gate ‘A1’
Using this gate the host is able to:
- Manage the secure element connected over NFC-WI
Table 73. NFC-WI Events
Value Event Description
‘01’
NXP_EVT_SE_START_OF_TRANSACTION
This event is sent to the host to
inform that a transaction starts.
‘02’
NXP_EVT_SE_END_OF_TRANSACTION
This event is sent to the host to
inform that the transaction ends.
‘03’
NXP_EVT_SE_SWITCH_MODE
This event is sent by the host to
temporary switch NFC-WI mode.
Warning:
PN544 cannot go back to
Standby mode if ‘Default mode’ is
not set.
It means that ‘Wired mode’, ‘Virtual
mode’ & ‘Off mode’ will keep PN544
in ActiveBAT.
The NXP_EVT_SE_SWITCH_MODE event has parameters as follows
Table 74. NXP_EVT_SE_SWITCH_MODE Event Parameters
Description Length
Mode 1