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| 型號： | MFRC52201HN1 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 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)： | 51/92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
51 of 92
NXP Semiconductors
MFRC522
Contactless reader IC
9.3.2.9
RxThresholdReg register
Selects thresholds for the bit decoder.
Table 69.
Bit
Symbol
Access
Table 70.
Bit
7 to 4
9.3.2.10
DemodReg register
Defines demodulator settings.
Table 71.
Bit
Symbol
Table 72.
Bit
7 to 6 AddIQ
RxThresholdReg register (address 18h); reset value: 84h bit allocation
7
6
5
4
MinLevel[3:0]
R/W
3
2
1
0
reserved
-
CollLevel[2:0]
R/W
RxThresholdReg register bit descriptions
Symbol
Description
MinLevel
[3:0]
accepted
if the signal strength is below this level it is not evaluated
reserved
reserved for future use
CollLevel
[2:0]
reached by the weaker half-bit of the Manchester encoded signal to
generate a bit-collision relative to the amplitude of the stronger half-bit
defines the minimum signal strength at the decoder input that will be
3
2 to 0
defines the minimum signal strength at the decoder input that must be
DemodReg register (address 19h); reset value: 4Dh bit allocation
7
6
5
AddIQ[1:0]
FixIQ
TPrescal
Even
R/W
R/W
R/W
4
3
TauRcv[1:0]
2
1
TauSync[1:0]
0
Access
R/W
R/W
DemodReg register bit descriptions
Symbol
Value Description
-
[1:0]
defines the use of I and Q channel during reception
Remark:
the FixIQ bit must be set to logic 0 to enable the following
settings:
selects the stronger channel
selects the stronger channel and freezes the selected channel
during communication
reserved
reserved
if AddIQ[1:0] are set to X0b, the reception is fixed to I channel
if AddIQ[1:0] are set to X1b, the reception is fixed to Q channel
00
01
10
11
1
5
FixIQ
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| MFRC52201HN1,115 | 功能描述:RFID應(yīng)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(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| MFRC52201HN1,118 | 功能描述:RFID應(yīng)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(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| MFRC52201HN1,151 | 功能描述:RFID應(yīng)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(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| MFRC52201HN1,157 | 功能描述:RFID應(yīng)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(fēng)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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