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參數(shù)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(shù)： | 33/92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
33 of 92
NXP Semiconductors
MFRC522
Contactless reader IC
9. MFRC522 registers
9.1 Register bit behavior
Depending on the functionality of a register, the access conditions to the register can vary.
In principle, bits with same behavior are grouped in common registers. The access
conditions are described in
Table 19
.
Table 19.
Abbreviation
R/W
Behavior of register bits and their designation
Behavior
Description
read and write
These bits can be written and read by the microcontroller. Since
they are used only for control purposes, their content is not
influenced by internal state machines, for example the
ComIEnReg register can be written and read by the
microcontroller. It will also be read by internal state machines but
never changed by them.
dynamic
These bits can be written and read by the microcontroller.
Nevertheless, they can also be written automatically by internal
state machines, for example the CommandReg register changes
its value automatically after the execution of the command.
read only
These register bits hold values which are determined by internal
states only, for example the CRCReady bit cannot be written
externally but shows internal states.
write only
Reading these register bits always returns zero.
-
These registers are reserved for future use and must not be
changed. In case of a write access, it is recommended to always
write the value “0”.
-
These register bits are reserved for future use or are for
production tests and must not be changed.
D
R
W
reserved
RFT
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相關代理商/技術參數(shù) |
參數(shù)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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