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參數資料
| 型號： | TRF7961RHBT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC32 |
| 封裝： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件頁數： | 34/52頁 |
| 文件大小： | 1023K |
| 代理商： | TRF7961RHBT |
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8(Parallel)
3(SPI)
Z – Matching
Circuit
Tx_Out
Rx_IN1
Rx_IN2
VDD_X
VDD_I/O
SYS_CLK
DATA_CLK
VDD
TRF796x
MSP430
Xtal
13.56MHz
IRQ
XtalIn
XtalOut
SLOU186F – AUGUST 2006 – REVISED AUGUST 2010
www.ti.com
2
Description (continued)
Figure 2-1. Typical Application
A parallel or serial interface can be implemented for communication between the MCU and reader.
Transmit and receive functions use internal encoders and decoders with a 12-byte FIFO register. For
direct transmit or receive functions, the encoders / decoders can be bypassed so the MCU can process
the data in real time. The transmitter has selectable output power levels of 100 mW (20 dBm) or 200 mW
(23 dBm) into a 50-
load (5 -V supply) and is capable of ASK or OOK modulation. Integrated voltage
regulators ensure power-supply noise rejection for the complete reader system.
Data transmission comprises low-level encoding for ISO15693, modified Miller for ISO14443-A,
high-bit-rate systems for ISO14443 and Tag-it coding systems. Included with the data encoding is
automatic generation of SOF, EOF, CRC, and / or parity bits.
The receiver system enables AM and PM demodulation using a dual-input architecture. The receiver also
includes an automatic gain control option and selectable gain. Also included is a selectable bandwidth to
cover a broad range of input sub-carrier signal options. The received signal strength for AM and PM
modulation is accessible via the RSSI register. The receiver output is a digitized sub-carrier signal among
a selectable protocol and bit rate as outlined in Table 5-11. A selected decoder delivers bit stream and a
data clock as outputs.
The receiver system also includes a framing system. This system performs CRC and / or parity check,
removes the EOF and SOF settings, and organizes the data in bytes. Framed data is then accessible to
the MCU via a 12-byte FIFO register and MCU interface. The framing supports ISO14443 and ISO15693
protocols.
The TRF7960/61 supports data communication levels from 1.8 V to 5.5 V for the MCU I/O interface, while
also providing a data synchronization clock. An auxiliary 20-mA regulator (pin 32) is available for
additional system circuits.
4
Description (continued)
Copyright 2006–2010, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TRF7961RHBT | 制造商:Texas Instruments 功能描述:RFID Reader IC |
| TRF7961RHBTG4 | 功能描述:RFID應答器 Multi-Standard High Freq RFID Read/Writ 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 |
| 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應答器 Fully Integ 13.56MHz RFID R/W IC 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 |
| TRF7962ARHBT | 功能描述:RFID應答器 Fully Integ 13.56MHz RFID R/W IC 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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