NXP Semiconductors PN544 C2 - Page 69

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 69 of 172
• Mode indicates the mode to switch to:
Table 61. SWP Switch Mode Event Parameters
Value Description
0x00 Off (deactivated)
0x01 Default mode
0x02 On (activated)
others RFU
Table 62. SWP Registry
Id Name Access
Rights
Comment Length Default
‘01’ NXP_SWP_DEFAULTMODE RW
(EE)
Indicates if the SWP link has to be
enabled when required (only when
external field is present).
0x00 -> Off (never activated)
0x01 -> On (activated when required)
Others values are RFU
1 0x00
‘02’ NXP_SWP_STATUS RO
(RAM
5
)
Indicates the current status of the
SWP link(see below state chart):
0x00 -> Not connected (activation
sequence not performed)
0x01 -> Connecting (activation
sequence on-going)
0x02 -> Connected (activation
sequence successful)
0x03 -> Connection lost
(communication failed after activation)
0x04 -> Disconnecting (deactivation
sequence on-going)
0x05 -> Connection failed (activation
sequence failed)
. Others values are RFU
1 0x00
5
‘RAM’ means that this information is stored in RAM memory -> Volatile (i.e. lost when going in ‘Low
power Mode’)