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 68 of 172
9.5 SWP
The host can manage the secure element connected over SWP through a dedicated gate
“SWPMgt”.
Table 58. SWP Management Gate
Gate G
ID
SwpMgt gate ‘A0’
Using this gate the host is able to:
• Activate/Deactivate SWP link
• Get information on SWP link status
Table 59. SWP Events
Value Event Description
‘03’
NXP_EVT_SWP_SWITCH_MODE
This event is sent by the host to temporary
activate/deactivate SWP link.
Warning:
PN544 cannot go back to Standby
mode if ‘Default mode’ is not set.
It means that ‘Off mode’ & ‘On mode’ will
keep PN544 in ActiveBAT.
‘04’
NXP_EVT_SWP_PROTECTED
This event is sent to the host, when protected
mode has been enabled (see related
NXP_SWP_PROTECTION_MODE registry
entry), to inform a RF-SWP transaction has
been blocked.
The NXP_EVT_SWP_SWITCH_MODE event has parameters as follows
Table 60. SWP Switch Mode Event
Description Length
Mode 1
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