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參數資料
| 型號： | MFRC52201HN1 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通信及網絡 |
| 英文描述： | Contactless reader IC |
| 封裝： | MFRC52201HN1<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html<1<Always Pb-free,;MFRC52201HN1<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html& |
| 文件頁數： | 39/92頁 |
| 文件大?。?/td> | 691K |
| 代理商： | MFRC52201HN1 |
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MFRC522_35
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.5 — 21 June 2010
112135
39 of 92
NXP Semiconductors
MFRC522
Contactless reader IC
9.3.1.7
ErrorReg register
Error bit register showing the error status of the last command executed.
Table 33.
Bit
Symbol
Access
Table 34.
Bit Symbol
7
WrErr
[1]
Command execution clears all error bits except the TempErr bit. Cannot be set by software.
ErrorReg register (address 06h); reset value: 00h bit allocation
7
6
5
WrErr
TempErr
reserved
BufferOvfl
R
R
-
4
3
2
1
0
CollErr
R
CRCErr
R
ParityErr
R
ProtocolErr
R
R
ErrorReg register bit descriptions
Value Description
1
data is written into the FIFO buffer by the host during the MFAuthent
command or if data is written into the FIFO buffer by the host during the
time between sending the last bit on the RF interface and receiving the
last bit on the RF interface
TempErr
[1]
1
internal temperature sensor detects overheating, in which case the
antenna drivers are automatically switched off
reserved
-
reserved for future use
BufferOvfl
1
the host or a MFRC522’s internal state machine (e.g. receiver) tries to
write data to the FIFO buffer even though it is already full
CollErr
1
a bit-collision is detected
cleared automatically at receiver start-up phase
only valid during the bitwise anticollision at 106 kBd
always set to logic 0 during communication protocols at 212 kBd,
424 kBd and 848 kBd
CRCErr
1
the RxModeReg register’s RxCRCEn bit is set and the CRC calculation
fails
automatically cleared to logic 0 during receiver start-up phase
ParityErr
1
parity check failed
automatically cleared during receiver start-up phase
only valid for ISO/IEC 14443 A/MIFARE communication at 106 kBd
ProtocolErr
1
set to logic 1 if the SOF is incorrect
automatically cleared during receiver start-up phase
bit is only valid for 106 kBd
during the MFAuthent command, the ProtocolErr bit is set to logic 1 if the
number of bytes received in one data stream is incorrect
6
5
4
3
2
1
0
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MFRC52201HN1,115 | 功能描述:RFID應答器 RoHS:否 制造商:Murata 存儲容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| MFRC52201HN1,118 | 功能描述:RFID應答器 RoHS:否 制造商:Murata 存儲容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| MFRC52201HN1,151 | 功能描述:RFID應答器 Contactless Reader 32-Pin RoHS:否 制造商:Murata 存儲容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| MFRC52201HN1,157 | 功能描述:RFID應答器 CL READER IC’S RoHS:否 制造商:Murata 存儲容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| MFRC52201HN1/TRAYB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Contactless reader IC |
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