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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 11/92頁(yè) |
| 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
11 of 92
NXP Semiconductors
MFRC522
Contactless reader IC
8.1.3.2
Selectable UART transfer speeds
The internal UART interface is compatible with an RS232 serial interface.
The default transfer speed is 9.6 kBd. To change the transfer speed, the host controller
must write a value for the new transfer speed to the SerialSpeedReg register. Bits
BR_T0[2:0] and BR_T1[4:0] define the factors for setting the transfer speed in the
SerialSpeedReg register.
The BR_T0[2:0] and BR_T1[4:0] settings are described in
Table 9
. Examples of different
transfer speeds and the relevant register settings are given in
Table 10
.
Table 9.
BR_Tn
BR_T0 factor
BR_T1 range
Table 10.
Transfer speed (kBd)
[1]
The resulting transfer speed error is less than 1.5 % for all described transfer speeds.
The selectable transfer speeds shown in
Table 10
are calculated according to the
following equations:
If BR_T0[2:0] = 0:
(1)
If BR_T0[2:0] > 0:
(2)
Remark:
Transfer speeds above 1228.8 kBd are not supported.
BR_T0 and BR_T1 settings
Bit 0
1
1 to 32 33 to 64 33 to 64 33 to 64 33 to 64 33 to 64 33 to 64 33 to 64
Bit 1
1
Bit 2
2
Bit 3
4
Bit 4
8
Bit 5
16
Bit 6
32
Bit 7
64
Selectable UART transfer speeds
SerialSpeedReg value
Decimal
250
235
218
203
171
154
122
116
90
58
28
21
Transfer speed accuracy
(%)
[1]
Hexadecimal
FAh
EBh
DAh
CBh
ABh
9Ah
7Ah
74h
5Ah
3Ah
1Ch
15h
7.2
9.6
14.4
19.2
38.4
57.6
115.2
128
230.4
460.8
921.6
1228.8
0.25
0.32
0.25
0.32
0.32
0.25
0.25
0.06
0.25
0.25
1.45
0.32
transfer speed
BR
_
T0
6
+
1
(
)
-------------------------------
=
transfer speed
2
6
----------------------------------
)
)
----------------------------------
=
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| MFRC52201HN1,115 | 功能描述:RFID應(yīng)答器 RoHS:否 制造商:Murata 存儲(chǔ)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(chǔ)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 |
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| MFRC52201HN1,157 | 功能描述:RFID應(yīng)答器 CL READER IC’S RoHS:否 制造商:Murata 存儲(chǔ)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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