參數資料
型號： CLRC63201T
廠商： NXP Semiconductors N.V.
元件分類： 通信及網絡
英文描述： Multiple protocol contactless reader IC (MIFARE-I-CODE1)
封裝： CLRC63201T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1<week 5, 2005,;
文件頁數： 104/126頁
文件大?。?/td> 719K
代理商： CLRC63201T
CLRC632_35
NXP B.V. 2009. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.5 — 10 November 2009
073935
79 of 126
NXP Semiconductors
CLRC632
Multiple protocol contactless reader IC (MIFARE/I-CODE1)
11.2 Commands for ISO/IEC 14443 A card communication
The CLRC632 is a fully ISO/IEC 14443 A, ISO/IEC 14443 B, ISO/IEC 15693 and
I-CODE1 compliant reader IC. This enables the command set to be more exible and
generalized when compared to dedicated MIFARE or I-CODE1 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
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 rst 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
terminates. This causes the internal state machine to change its state from transmit to
idle.
When the data transmission to the card is nished, the TxIRq ag is set by the CLRC632
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.
Table 136. Transmit command 1Ah
Command
Value
Action
Arguments
and data
Returned
data
Transmit
1Ah
transmits data from FIFO buffer to card
data stream
-
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相關代理商/技術參數
參數描述
CLRC63201T/0FE 制造商:NXP Semiconductors 功能描述:
CLRC63201T/0FE,112 功能描述:RFID應答器 I.CODE HS 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
CLRC63201T/0FE,118 制造商:NXP Semiconductors 功能描述:Interface Misc
CLRC63201T/0FE112 制造商:NXP Semiconductors 功能描述:CNTCLESS RC 5V ISO14443 + ISO15693
CLRC663 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Contactless reader IC
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