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參數(shù)資料
| 型號： | MFRC50001T |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通信及網(wǎng)絡 |
| 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)： | 71/110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
71 of 110
NXP Semiconductors
MFRC500
Highly Integrated ISO/IEC 14443 A Reader IC
As long as the internal signal accept further data is logic 1, data can be written to the FIFO
buffer. The MFRC500 appends this data to the data stream transmitted using the RF
interface.
If the internal accept further data signal is logic 0, the transmission terminates. All data
written to the FIFO buffer after the accept further data signal was set to logic 0 is not
transmitted, however, it remains in the FIFO buffer.
Remark:
If parity generation is enabled (ParityEn = logic 1), the parity bit is the last bit
transmitted. This delays the accept further data signal by a duration of one bit.
If the TxLastBits[2:0] bits are not zero, the last byte is not transmitted completely. Only the
number of bits set by TxLastBits[2:0], starting with the least significant bit are transmitted.
This means that the internal state machine has to check the FIFO buffer status at an
earlier point in time; see
Figure 16
.
Since in this example TxLastBits[2:0] = 4, transmission stops after bit 3 is transmitted and
the frame is completed with an EOF, if configured.
Fig 15. Timing for transmitting byte oriented frames
Fig 16. Timing for transmitting bit oriented frames
001aak619
accept further data
check FIFO empty
TxData
FIFO empty
FIFOLength[6:0]
0x01
0x00
TxLastBits[2:0]
TxLastBits = 0
7
0
7
7
0
001aak620
accept further data
check FIFO empty
TxData
FIFO empty
FIFOLength[6:0]
01h
00h
01h
00h
TxLastBits[2:0]
TxLastBits = 4
NWR (FIFO data)
7
0
3
4
7
0
3
4
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| MFRC50001T/0FE,112 | 功能描述:RFID應答器 MIFARE READER RoHS:否 制造商:Murata 存儲容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
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| MFRC522_09 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Contactless reader IC |
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| MFRC52201HN1 | 功能描述:RFID應答器 CL READER IC’S RoHS:否 制造商:Murata 存儲容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
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