參數(shù)資料
型號(hào)： MFRC52301HN1
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： MFRC52301HN1<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html<1<Always Pb-free,;MFRC52301HN1<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html&
文件頁(yè)數(shù)： 57/98頁(yè)
文件大小： 1666K
代理商： MFRC52301HN1
MFRC523
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.7 — 8 November 2011
115237
57 of 98
NXP Semiconductors
MFRC523
Contactless reader IC
9.2.3.6
RFCfgReg register
Configures the receiver gain.
Table 98.
Bit
Symbol
Access
Table 99.
Bit
7
6 to 4
9.2.3.7
GsNReg register
Defines the conductance of the antenna driver pins TX1 and TX2 for the n-driver when the
driver is switched on.
Table 100. GsNReg register (address 27h); reset value: 88h bit allocation
Bit
7
6
5
Symbol
CWGsN[3:0]
Access
R/W
Table 101. GsNReg register bit descriptions
Bit
Symbol
7 to 4
CWGsN[3:0]
RFCfgReg register (address 26h); reset value: 48h bit allocation
7
6
5
reserved
RxGain[2:0]
-
R/W
4
3
2
1
0
reserved
-
RFCfgReg register bit descriptions
Symbol
Value
reserved
-
RxGain[2:0]
000
001
010
011
100
101
110
111
reserved
-
Description
reserved for future use
defines the receiver’s signal voltage gain factor:
18 dB
23 dB
18 dB
23 dB
33 dB
38 dB
43 dB
48 dB
reserved for future use
3 to 0
4
3
2
ModGsN[3:0]
R/W
1
0
Description
defines the conductance of the output n-driver during periods without
modulation which can be used to regulate the output power and
subsequently current consumption and operating distance. The value is
only used if driver TX1 or TX2 is switched on
during Soft power-down mode the highest bit is forced to logic 1
Remark:
the conductance value is binary-weighted
ModGsN[3:0] defines the conductance of the output n-driver during periods without
modulation which can be used to regulate the modulation index. The
value is only used if driver TX1 or TX2 is switched on
during Soft power-down mode the highest bit is forced to logic 1
Remark:
the conductance value is binary weighted
3 to 0
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MFRC52301HN1/TRAYB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Contactless reader IC
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