Datasheet > MR793200GD

MR793200GD

更新时间： 2024-04-09 18:58:26

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
18页	630K
描述
RFID LSI is a wireless LSI that operates in the UHF band frequency of 860MHz to 960MHz. RFID L

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MR793200GD 数据手册

FEDM7930-02

Issue Date: Jan. 12, 2024

MR7930/MR793200

UHF band RFID Sensor LSI

OVERVIEW

MR7930/MR793200 is a passive UHF band RFID Sensor LSI for the battery-less short-range IoT devices.

This LSI is equipped with sensor function to measure electrostatic capacitance.

It is possible to control sensor function by the mandatory command (READ, WRITE) from Reader/Writer (RW ;

interrogator) that is compliant with the international standard EPC global Generation2-Ver.2.0.1 (EPC standard or EPC

Gen2). MR7930 is bump wafer product for inlay tag. MR793200 is package product that has SPI slave interface.

FEATURES

⚫

RF communication

- Carrier frequency

- Data transfer speed

RW => Tag

: 860 to 960 MHz (UHF band)

: 26.7 to 128 kbps (when the values of data-0 and data-1 are the same)

: 40 to 640 kbps

Tag => RW

- Modulation

: DSB-ASK, SSB-ASK, PR-ASK

- Option command

: ACCESS and BLOCK WRITE (data length is one or two words)

⚫

RF communication characteristics

- Receiver sensitivity (passive)

READ

: -9.5 dBm (LSI end)

: -8.5 dBm (LSI end)

: 0.7 (ASK transmission)

WRITE

READ/WRITE(Sensor)

- Reflection coefficient

Memory

- EPC

- USER

- NVM rewrite time

- NVM write endurance

- NVM data retention

: 96 bits

: 144 bits

: 8ms (16 bits)

: 10,000 cycles

: 10 years

Capacitive sensor

- Mesurement function

- Comparison function

- Contorol command

: Range

Max. 100pF

: Threshold

Max. ±1.0pF (Low Range Mode only)

: Mandatory command (READ, WRITE)

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