參數(shù)資料
型號: MFRC53101T
廠商: NXP Semiconductors N.V.
元件分類: 通信及網(wǎng)絡(luò)
英文描述: ISO-IEC 14443 reader IC
封裝: MFRC53101T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1<week 51, 2004,;MFRC53101T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<
文件頁數(shù): 59/116頁
文件大小: 862K
代理商: MFRC53101T
MFRC531_34
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.4 — 26 January 2010
056634
59 of 116
NXP Semiconductors
MFRC531
ISO/IEC 14443 reader IC
10.5.3.5
CoderControl register
Sets the clock rate and the coding mode.
Table 75.
Bit
Symbol
Access
Table 76.
Bit
7 to 6 00
5 to 3 CoderRate[2:0]
10.5.3.6
ModWidth register
Selects the pulse modulation width.
Table 77.
Bit
Symbol
Access
Table 78.
Bit
7 to 0
10.5.3.7
PreSet16 register
Table 79.
Bit
Symbol
Access
Remark:
These values must not be changed.
CoderControl register (address: 14h) reset value: 0001 1001b, 19h bit allocation
7
6
5
00
CoderRate[2:0]
R/W
4
3
2
1
0
TxCoding[2:0]
R/W
R/W
CoderControl register bit descriptions
Symbol
Value
-
Description
these values must not be changed
this register defines the clock rate for the encoder circuit
MIFARE 848 kBd
MIFARE 424 kBd
MIFARE 212 kBd
MIFARE 106 kBd; ISO/IEC 14443 A
ISO/IEC 14443 B
reserved
this register defines the bit encoding mode and framing during
transmission
NRZ according to ISO/IEC 14443 B
000
001
010
011
100
111
2 to 0 TxCoding[2:0]
000
001
010
011
MIFARE, ISO/IEC 14443 A, (Miller coded)
reserved
reserved
ModWidth register (address: 15h) reset value: 0001 0011b, 13h bit allocation
7
6
5
4
ModWidth[7:0]
3
2
1
0
R/W
ModWidth register bit descriptions
Symbol
ModWidth[7:0]
Description
defines the width of the modulation pulse based on
t
mod
= 2
(ModWidth + 1) / f
clk
PreSet16 register (address: 16h) reset value: 0000 0000b, 00h bit allocation
7
6
5
4
3
2
1
0
PreSet16[7:0]
R/W
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