mfrc522 NXP Semiconductors, mfrc522 Datasheet - Page 66
mfrc522
Manufacturer Part Number
mfrc522
Description
Contactless Reader Ic
Manufacturer
NXP Semiconductors
Datasheet
1.MFRC522.pdf
(109 pages)
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NXP Semiconductors
112132
Product data sheet
The bit HiAlert is set to logic 1 if maximum WaterLevel bytes (as set in register
WaterLevelReg) or less can be stored in the FIFO-buffer. It is generated according to the
following equation:
The bit LoAlert is set to logic 1 if WaterLevel bytes (as set in register WaterLevelReg) or
less are actually stored in the FIFO-buffer. It is generated according to the following
equation:
HiAlert
Rev. 3.2 — 22 May 2007
LoAlert
=
(
64 FIFOLength )
=
FIFOLength
–
≤
WaterLevel
≤
WaterLevel
Contactless Reader IC
MFRC522
© NXP B.V. 2007. All rights reserved.
66 of 109
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