MFRC52201HN1,151 NXP Semiconductors, MFRC52201HN1,151 Datasheet - Page 21
MFRC52201HN1,151
Manufacturer Part Number
MFRC52201HN1,151
Description
IC READER 13.56MHZ 32-HVQFN
Manufacturer
NXP Semiconductors
Datasheet
1.MFRC52201HN1157.pdf
(109 pages)
Specifications of MFRC52201HN1,151
Rf Type
Read / Write
Frequency
13.56MHz
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
935280547151
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Product data sheet
9.2.1.10 FIFODataReg
9.2.1.12 WaterLevelReg
9.2.1.11 FIFOLevelReg
In- and output of 64 byte FIFO buffer.
Table 25:
Table 26:
Indicates the number of bytes stored in the FIFO.
Table 27:
Table 28:
Defines the level for FIFO under- and overflow warning.
Table 29:
Bit
7 to 0
Bit
7
6 to 0
Symbol
Access
Symbol FlushBuffer
Access
Symbol
Access
Rights
Rights
Rights
Bit
Bit
Bit
Symbol
FIFOData
Symbol
FlushBuffer
FIFOLevel
FIFODataReg register (address 09h); reset value: XXh
Description ofFIFODataReg bits
Description of FIFOLevelReg bits
FIFOLevelReg register (address 0Ah); reset value: 00h
WaterLevelReg register (address 0Bh); reset value: 08h
7
7
w
7
RFU
-
Rev. 3.2 — 22 May 2007
6
6
Description
Data input and output port for the internal 64 byte FIFO buffer. The
FIFO buffer acts as parallel in/parallel out converter for all serial data
stream in- and outputs.
Description
Set to logic 1, this bit clears the internal FIFO-buffer’s read- and
write-pointer and the bit BufferOvfl in the register ErrReg immediately.
Reading this bit will always return 0.
Indicates the number of bytes stored in the FIFO buffer. Writing to the
FIFODataReg increments, reading decrements the FIFOLevel.
6
5
5
5
4
4
FIFOData
4
dy
FIFOLevel
3
3
WaterLevel
3
r
r/w
2
2
2
Contactless Reader IC
MFRC522
© NXP B.V. 2007. All rights reserved.
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