參數(shù)資料
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): 55/92頁
文件大?。?/td> 691K
代理商: MFRC52201HN1
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
55 of 92
NXP Semiconductors
MFRC522
Contactless reader IC
9.3.3.3
Reserved register 23h
Functionality is reserved for future use.
Table 91.
Bit
Symbol
Access
Table 92.
Bit
7 to 0
9.3.3.4
ModWidthReg register
Sets the modulation width.
Table 93.
Bit
Symbol
Access
Table 94.
Bit
7 to 0
9.3.3.5
Reserved register 25h
Functionality is reserved for future use.
Table 95.
Bit
Symbol
Access
Table 96.
Bit
7 to 0
Reserved register (address 23h); reset value: 88h bit allocation
7
6
5
4
3
2
1
0
reserved
-
Reserved register bit descriptions
Symbol
Description
reserved
reserved for future use
ModWidthReg register (address 24h); reset value: 26h bit allocation
7
6
5
4
ModWidth[7:0]
3
2
1
0
R/W
ModWidthReg register bit descriptions
Symbol
Description
ModWidth[7:0] defines the width of the Miller modulation as multiples of the carrier
frequency (ModWidth + 1 / f
clk
)
the maximum value is half the bit period
Reserved register (address 25h); reset value: 87h bit allocation
7
6
5
4
3
2
1
0
reserved
-
Reserved register bit descriptions
Symbol
Description
reserved
reserved for future use
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