User's Manual

UHF RFID Reader UR - SERIES User Manual v1.14

response frame if all-zero are delivered in this field.

MaskMem: 1 byte, mask area indication.

0x01 – EPC memory;

0x02 – TID memory;

0x03 – User memory.

All other values are reserved, reader will return a parameter error status in the response frame if

other value is delivered in this field.

MaskAdr: 2 bytes, entry bit address of the mask, the valid range of MaskAdr is 0 ~ 16383.

MaskLen: 1 byte, bit length of mask (unit: bits).

MaskData: mask data. The length of MaskData equals to MaskLen/8. If MaskLen is not a multiple

of 8 integer, the length of MaskData is equal to the int[MaskLen/8]+1. Non-specified lower

significant figures should be filled up with 0.

NOTE:

When MaskMem, MaskAdr, MaskLen and MaskData are not provided, full EPC number will be

used as mask pattern in inventory.

Response frame:

Len

Adr

reCmd

Status

Data[]

CRC-16

0x05

0xXX

0x05

0x00

——

LSB

MSB

8.2.6 Set read/write protection for specific memory

The function of this command is to set the read/write protection status for the following memory

• Reserved memory

Readable/ writable without protection, permanently readable/ writable, readable/writeable with

password protected or permanently unreadable/ un-writable;

• EPC memory /user reserved memory

Writable without protection, permanently writable, writeable with password protected or

permanently un-writable;

EPC memory, user reserved memory and TID memory are permanently readable. Furthermore TID

memory is readable only.

Once the protection status of reserved memory is set to permanently readable/ writable or

permanently unreadable/ un-writable, the status configuration will not able to accept any future

modification. Likewise, if the protection status of EPC memory, user reserved memory or TID

memory is set to permanently writable/ un-writable, the status configuration will not able to accept

any future modification. Tag will return an error status in the response frame if user attempted to

perform future modification.

Access password must be provided to set a specific memory to password protected