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參數(shù)資料
型號(hào)： TRF7961RHBT
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC32
封裝： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁(yè)數(shù)： 28/52頁(yè)
文件大小： 1023K
代理商： TRF7961RHBT
SLOU186F – AUGUST 2006 – REVISED AUGUST 2010
www.ti.com
5.4
Direct Commands From MCU to Reader
5.4.1
Command Codes
Table 5-29. Command Codes
Command Code (hex)
Command
Comments
00
Idle
03
Software Initialization
Software initialization, same as power on reset
0F
Reset
10
Transmission without CRC
11
Transmission with CRC
12
Delayed transmission without CRC
13
Delayed transmission with CRC
14
Transmit next time slot
ISO15693, Tag-It
16
Block receiver
17
Enable receiver
18
Test internal RF (RSSI at RX input with TX ON)
19
Test external RF (RSSI at RX input with TX OFF)
1A
Receiver gain adjust
Note: The command code values from Table 5-29 are substituted in Table 5-32, bit 0 through bit 4. Also,
the most-significant bit (MSB) in Table 5-31 must be set to 1.
5.4.2
Reset
The reset command clears the FIFO contents and FIFO status register (1Ch). It also clears the register
storing the collision error location (0Eh).
5.4.3
Transmission With CRC
The transmission command must be sent first, followed by transmission length bytes, and FIFO data. The
reader starts transmitting after the first byte is loaded into the FIFO. The CRC byte is included in the
transmitted sequence.
5.4.4
Transmission Without CRC
Same as Section 5.4.3 with CRC excluded.
5.4.5
Delayed Transmission With CRC
The transmission command must be sent first, followed by the transmission length bytes, and FIFO data.
The reader transmission is triggered by the TX timer.
5.4.6
Delayed Transmission Without CRC
Same as above with CRC excluded.
5.4.7
Transmission Next Slot
When this command is received, the reader transmits the next slot command. The next slot sign is defined
by the protocol selection.
5.4.8
Receiver Gain Adjust
This command should be executed when the MCU determines that no TAG response is coming and when
34
System Description
Copyright 2006–2010, Texas Instruments Incorporated
Product Folder Link(s): TRF7960 TRF7961
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TRF7961RHBT 制造商:Texas Instruments 功能描述:RFID Reader IC
TRF7961RHBTG4 功能描述:RFID應(yīng)答器 Multi-Standard High Freq RFID Read/Writ 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
TRF7962A 制造商:TI 制造商全稱:Texas Instruments 功能描述:FULLY INTEGRATED 13.56-MHz RFID READER/WRITER IC FOR ISO15693/ISO18000-3 STANDARDS
TRF7962ARHBR 功能描述:RFID應(yīng)答器 Fully Integ 13.56MHz RFID R/W IC 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
TRF7962ARHBT 功能描述:RFID應(yīng)答器 Fully Integ 13.56MHz RFID R/W IC 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
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