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NXP Semiconductors
UM191812
PN544 C2 User Manual
191812
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© NXP B.V. 2010. All rights reserved.
User Manual
Rev. 1.2 — 2010-06-16
83 of 172
9.6.2.1 Detection Guard Time
Polling Loop timings for detection are set as follows:
(1)
Fig 47. Polling Loop Timings
All Guard Times are set with respect to the technology specification. However, these
timings can be changed (see
’
chapter).
The EEPROM areas used for Guard time settings are:
PlMgtPassiveGTA,
PlMgtPassiveGTB, PlMgtPassiveGTF, PlMgtActiveGTA and PlMgtVicinityGT.