UCODE® NXP UHF RFID standard

The NXP UCODE® standard compliant with EPC Global (UHF frequency) is the perfect choice for applications in supply chain applications and logistics that require high speed. UCODE® offers high anti-collision performance, high sensitivity at long distances and a wide range of frequencies supported for applications worldwide.
The UCODE® integrated circuit family offers various memory sizes and other special features to enable the user to choose the best option for the application.

Feature

Description

Advantage
Battery mode Supports the connection of a passive RFID system with an external power source Extends read and write range to over 35m when the system is connected to the power supply
Conditional reading range reduction Activation of conditional range reduction based on tag tamper violation condition Supports theft prevention
Digital switch Controls the activation / deactivation of a device or device function Supports device versioning and easily supports theft prevention
Parallel decoding NXP preserialization combined with generic GTIN to create unique SGTIN-96 tags Facilitates extremely fast wholesale programming and coding when running tags with the same SKU
Product status flag An indicator that can be set in the RFID system to indicate the state of the product in the production cycle Helps control production by indicating whether the device has passed through process / quality checkpoints. It also provides theft prevention
Reduce read range Optionally reduces the reading range using the command Supports user privacy
Segmented user memory Allows flexible configuration of user memory in up to 3 segments Selectable EPC memory size with user memory replacement
Pre-serialized Default pre-serialization for lower 38 bits of standard SGTIN-96 Minimizes programming time (writing 2 blocks compared to writing 6 words)
Emergency tamper The chip senses when the tag is ripped, torn, cut or removed from its original position Indicates tag manipulation to support theft prevention
UCODE DNA UCODE 7xm UCODE 7xm+ UCODE 7 UCODE 7m I2C G2iM+ G2iM G2iL+ G2iL
Memory - - - - - - - - - -
Memory EPC (bits) 224 448 448 128 128 160 128 - 448 256 128 128
User Memory (bits) 3072 1.024 2.048 - 32 3,328 640 - 320 512 - -
Unique identifier of the tag [TID + UTID] (bits) 96 96 96 96 96 96 96 96 64 64
RF inteface - - - - - - - - - -
Compliance with GSI UHF RFID Gen 2 V2 EPC Class 1 Gen 2 EPC Class 1 Gen 2 EPC Class 1 Gen 2 EPC Class 1 Gen 2 EPC Class 1 Gen 2 EPC Class 1 Gen 2 EPC Class 1 Gen 2 EPC Class 1 Gen 2 EPC Class 1 Gen 2
Read sensitivity -19dBm -19dBm -19dBm -21dBm -21dBm -18.5dBm -17dBm -17dBm -18dBm -18dBm
Special features - - - - - - - - - -
Pre-Serialization - - - - -
Parallel decoding - - - - -
Read protection - - - - - *
Status flag
Block writing **
Alarm tamper - - - - - - - -
Digital I/O - - - - - - - - -
Digital switch - - - - - - - -
Battery mode - - - - - - -
Conditional reduction of the reading range - - - - - - -
Segmented user memory - - - - - - - -
Digital signature - - - - - - - -
Untraceable - - - - - - - -
Block Permalock - - - - - - - - -
Cryptographically protected privacy - - - - - - - - -
Cryptographic Authentication - - - - - - - - -
Dual Analog Front End - - - - - * - - - -
Bidirectional I2C interface - - - - - - - - -
Wireless bridge RF/I2C - - - - - - - - -

Source, NXP Semiconductors

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