139037 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.8 — 11 November 2013
139038 22 of 48
NXP Semiconductors
SL3ICS1002/1202
UCODE G2XM and G2XL
14.1.1 Memory map
[1] This is the initial memory content when delivered by NXP Semiconductors
[2] G2XL: HEX 3005 FB63 AC1F 3841 EC88 0467
G2XM: HEX 3005 FB63 AC1F 3681 EC88 0468
[3] only G2XM
Table 11. Memory map
Bank
address
Memory
address
Type Content Initial
[1]
Remark
Bank 00 00h – 1Fh Reserved kill password:
refer to Section 17
, Ref. 1,
chapter 6.3.2.1.1
all 00h unlocked memory
20h – 3Fh Reserved access password:
refer to Section 17
, Ref. 1,
chapter 6.3.2.1.1
all 00h unlocked memory
Bank 01 00h – 0Fh EPC CRC-16: refer to Section 17,
Ref. 1
, chapter 6.3.2.1.2
memory mapped
calculated CRC
10h – 14h EPC Backscatter length:
refer to Section 17, Ref. 1,
chapter 6.3.2.1.2
00110b unlocked memory
15h EPC Reserved for future use:
refer to Section 17
, Ref. 1,
chapter 6.3.2.1.2
0b unlocked memory
16h EPC Reserved for future use:
refer to Section 17, Ref. 1,
chapter 6.3.2.1.2
0b hardwired to 0
17h –1Fh EPC Numbering system indicator:
refer to Section 17, Ref. 1,
chapter 6.3.2.1.2
00h unlocked memory
20h - 10Fh EPC EPC:
refer to Section 17
, Ref. 1,
chapter 6.3.2.1.2
[2]
unlocked memory
Bank 10 00h – 07h TID allocation class identifier:
refer to Section 17, Ref. 1,
chapter 6.3.2.1.3
1110 0010b locked memory
08h – 13h TID tag mask designer identifier:
refer to Section 17
, Ref. 1,
chapter 6.3.2.1.3
0000 0000 0110b locked memory
14h – 1Fh TID tag model number:
refer to Section 17
, Ref. 1,
chapter 6.3.2.1.3
TMNR locked memory
20h – 3Fh TID serial number:
refer to [Section 17
, Ref. 1,
chapter 6.3.2.1.3
SNR locked memory
Bank 11
[3]
00h – 1FFh User user memory:
refer to [Section 17
, Ref. 1,
chapter 6.3.2.1.4
undefined unlocked memory
139037 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.8 — 11 November 2013
139038 23 of 48
NXP Semiconductors
SL3ICS1002/1202
UCODE G2XM and G2XL
14.1.1.1 User memory (only G2XM)
The User Memory bank contains a sequential block of 512 bits (32 words of 16 bit)
ranging from address 00h to 1Fh. The user memory can be accessed via Select, Read or
Write command and it may be write locked, permanently write locked, unlocked or
permanently unlocked.
In addition reading of not only of the User Memory but of the whole memory including EPC
and TID can be protected by using the custom ReadProtect command.
14.1.1.2 Special behavior of user memory address 1Fh
WRITE or SELECT of user memory address 1Fh will falsely set an error flag. This will
affect the subsequent READ or SELECT.
The following commands will falsely set an internal error flag (without actually
causing an error):
1) WRITE to user memory with WordPtr=1Fh
2) SELECT to user memory with compare mask ending at bitaddress 1FFh
(e.g. Pointer=1FEh, length=1 or Pointer=1FDh, length=2 …)
Note: The error flag is set independent of the chip state (also chips in the e.g. Ready
state are affected).
The falsely set error flag will affect the following sub sequential commands:
A) READ command with WordCount=0 falsely responds with "memory overrun" error
B) SELECT command with Length<>0 falsely assumes non existing memory location
The behavior can be avoided with:
Turning off the RF carrier to reset the chip (This is what readers typically do!).
Using the READ command with WordCount<>0.
Sending other command prior to READ or SELECT (e.g. WRITE to address<>1Fh,
ReqRN) or executing READ or SELECT two times.
Remark: The WRITE operation itself is not affected by this problem i.e. data is written
properly! With commercially available readers this behavior is typically not observed.
14.1.1.3 Supported EPC types
The EPC types are defined in the EPC Tag Standards document from EPCglobal.
These standards define completely that portion of EPC tag data that is standardized,
including how that data is encoded on the EPC tag itself (i.e. the EPC Tag Encodings), as
well as how it is encoded for use in the information systems layers of the EPC Systems
Network (i.e. the EPC URI or Uniform Resource Identifier Encodings).
The EPC Tag Encodings include a Header field followed by one or more Value Fields. The
Header field indicates the length of the Values Fields and contains a numbering system
identifier (NSI). The Value Fields contain a unique EPC Identifier and optional Filter Value
when the latter is judged to be important to encode on the tag itself.
139037 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.8 — 11 November 2013
139038 24 of 48
NXP Semiconductors
SL3ICS1002/1202
UCODE G2XM and G2XL
14.2 Sessions, selected and inventoried flags
Session, Selected and Inventory Flags are according the EPCglobal standard. For a
description refer to Section 17
, Ref. 1, section 6.3.2.3.
14.2.1 G2X States and slot counter
For a description refer to Section 17, Ref. 1, section 6.3.2.4.
14.2.2 G2X State Diagram
The tag state are according the EPCglobal standard please refer to: Section 17, Ref. 1,
section 6.3.2.4 Tag states and slot counter.
A detailed tag state diagram is shown in Section 17
, Ref. 1, figure 6.19. Refer also to
Section 17
, Ref. 1, Annex B for the associated state-transition tables and to Section 17,
Ref. 1
, Annex C for the associated command-response tables.
14.3 Managing tag populations
For a detailed description on how to manage an UCODE G2X tag populations refer to
Section 17
, Ref. 1, chapter 6.3.2.6.
14.4 Selecting tag populations
For a detailed description of the UCODE G2X tag population selection process refer to
Section 17
, Ref. 1, section 6.3.2.7.
14.5 Inventorying tag populations
For a detailed description on accessing individual tags based on the UCODE G2X refer to
Section 17
, Ref. 1, section 6.3.2.8.
14.6 Accessing individual tags
For a detailed description on accessing individual tags based on the UCODE G2X refer to
Section 17
, Ref. 1, section 6.3.2.9.
An example inventory and access of a single UCODE G2X tag is shown in Section 17
,
Ref. 1
, Annex E.1.
14.7 Interrogator commands and tag replies
For a detailed description refer to Section 17, Ref. 1, section 6.3.2.10.
14.7.1 Commands
An overview of interrogator to tag commands is located in Section 17, Ref. 1, Table 6.16.
Note that all mandatory commands are implemented on the G2X according to the
standard. Additionally the optional command Access is supported by the G2X (for details
refer to Section 14.11 “
Optional Access Command). Besides also custom commands are
implemented on the G2X (for details refer to Section 14.12 “
Custom Commands.

SL3S1002FTB1,115

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
RFID Transponders SMART LABEL/TAG IC UCODE G2XM AND G2XL
Lifecycle:
New from this manufacturer.
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