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| 型號(hào)： | MFRC53001T |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | ISO-IEC 14443 A Reader IC |
| 封裝： | MFRC53001T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1<week 5, 2005,;MFRC53001T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1 |
| 文件頁(yè)數(shù)： | 74/115頁(yè) |
| 文件大?。?/td> | 2590K |
| 代理商： | MFRC53001T |
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MFRC530_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 — 6 July 2010
057433
74 of 115
NXP Semiconductors
MFRC530
ISO/IEC 14443 A Reader IC
11.2 Commands for card communication
The MFRC530 is a fully ISO/IEC 14443 A compliant reader IC. This enables the
command set to be more flexible and generalized when compared to dedicated MIFARE
reader ICs.
Section 11.2.1
to
Section 11.2.5
describe the command set for ISO/IEC 14443
A card communication and related communication protocols.
11.2.1
Transmit command 1Ah
Table 135. Transmit command 1Ah
Command
Value
The Transmit command reads data from the FIFO buffer and sends it to the transmitter. It
does not return any data. The Transmit command can only be started by the
microprocessor.
11.2.1.1
Using the Transmit command
To transmit data, one of the following sequences can be used:
1. All data to be transmitted to the card is written to the FIFO buffer while the Idle
command is active. Then the command code for the Transmit command is written to
the Command register.
Remark:
This is possible for transmission of a data stream up to 64 bytes.
2. The command code for the Transmit command is stored in the Command register.
Since there is not any data available in the FIFO buffer, the command is only enabled
but transmission is not activated. Data transmission starts when the first data byte is
written to the FIFO buffer. To generate a continuous data stream on the RF interface,
the microprocessor must write the subsequent data bytes into the FIFO buffer in time.
Remark:
This allows transmission of any data stream length but it requires data to be
written to the FIFO buffer in time.
3. Part of the data transmitted to the card is written to the FIFO buffer while the Idle
command is active. Then the command code for the Transmit command is written to
the Command register. While the Transmit command is active, the microprocessor
can send further data to the FIFO buffer. This is then appended by the transmitter to
the transmitted data stream.
Remark:
This allows transmission of any data stream length but it requires data to be
written to the FIFO buffer in time.
When the transmitter requests the next data byte to ensure the data stream on the RF
interface is continuous and the FIFO buffer is empty, the Transmit command automatically
exits. This causes the internal state machine to change its state from transmit to idle.
When the data transmission to the card is finished, the TxIRq flag is set by the MFRC530
to indicate to the microprocessor transmission is complete.
Remark:
If the microprocessor overwrites the transmit code in the Command register
with another command, transmission stops immediately on the next clock cycle. This can
produce output signals that are not in accordance with ISO/IEC 14443 A.
Action
Arguments
and data
data stream
Returned
data
-
Transmit
1Ah
transmits data from FIFO buffer to card
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MFRC53001T/0FE | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ISO/IEC 14443 A Reader IC |
| MFRC53001T/0FE,112 | 功能描述:RFID應(yīng)答器 MIFARE HS READER 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 |
| MFRC53001T/0FE,518 | 功能描述:RFID應(yīng)答器 IC READER 13.56MHZ 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 |
| MFRC53001T/0FE112 | 制造商:NXP Semiconductors 功能描述:CNTCLESS RC 3.3V ISO14443-A/B |
| MFRC531 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Short Form Specification |
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