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| 型號： | MFRC50001T |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Highly integrated ISO-IEC 14443 A reader IC |
| 封裝： | MFRC50001T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1<week 15, 2005,; |
| 文件頁數(shù)： | 34/110頁 |
| 文件大?。?/td> | 841K |
| 代理商： | MFRC50001T |
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MFRC500_33
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.3 — 15 March 2010
048033
34 of 110
NXP Semiconductors
MFRC500
Highly Integrated ISO/IEC 14443 A Reader IC
Section 9.11.2
,
Section 9.11.2.1
and
Section 9.11.2.2
describe the relevant registers and
settings used to configure and control the serial signal switch.
9.11.2
Serial signal switch registers
The RxControl2 register DecoderSource[1:0] bits define the input signal for the internal
Manchester decoder and are described in
Table 24
.
Table 24.
See
Table 88 on page 57
for additional information.
Number
DecoderSource
[1:0]
0
00
1
01
2
10
The TxControl register ModulatorSource[1:0] bits define the signal used to modulate the
transmitted 13.56 MHz energy carrier. The modulated signal drives pins TX1 and TX2.
Table 25.
See
Table 88 on page 57
for additional information.
Number
ModulatorSource
[1:0]
0
00
1
01
2
10
The MFOUTSelect register MFOUTSelect[2:0] bits select the output signal which is to be
routed to pin MFOUT.
Table 26.
See
Table 102 on page 60
for additional information.
Number
MFOUTSelect
[2:0]
0
000
1
001
2
010
3
011
DecoderSource[1:0] values
Input signal to decoder
constant 0
output of the analog part. This is the default configuration
direct connection to pin MFIN; expects an 847.5 kHz subcarrier
signal modulated by a Manchester encoded signal
direct connection to pin MFIN; expects a Manchester encoded
signal
3
11
ModulatorSource[1:0] values
Input signal to modulator
constant 0 (energy carrier off on pins TX1 and TX2)
constant 1 (continuous energy carrier on pins TX1 and TX2)
modulation signal (envelope) from the internal encoder. This is the
default configuration.
direct connection to MFIN; expects a Miller pulse coded signal
3
11
MFOUTSelect[2:0] values
Signal routed to pin MFOUT
constant LOW
constant HIGH
modulation signal (envelope) from the internal encoder
serial data stream to be transmitted; the same as for
MFOUTSelect[2:0] = 010 but not encoded by the selected pulse
encoder
output signal of the receiver circuit; card modulation signal
regenerated and delayed
output signal of the subcarrier demodulator; Manchester coded card
signal
reserved
reserved
4
100
5
101
6
7
110
111
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