NXP Semiconductors
UM191812
PN544 C2 User Manual
191812
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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