GS1 EPC Tag Data Standard 1.6 - Indicod-Ecr

x00xFx10x14x15 x17x16 x18x20x1FCRCLengthAttribute/AFIEPCBinaryEncodingZero Fillto thewordboundaryPCToggle – always zero for EPCNSIAttribute bits for EPC168116821683Figure 16.Gen 2 Protocol Control (PC) Bits Memory MapThe following table specifies the meaning of the PC bits:Bits Field Description WhereSpecified10 h –14 hLength Represents the number of 16-bit wordscomprising the PC field and the EPC field(below). See discussion in Section 15.1.1 forthe encoding of this field.15 h User MemoryIndicator (UMI)16 h XPC Indicator(XI)Indicates whether the user memory bank ispresent and contains data.Indicates whether an XPC is present17 h Toggle If zero, indicates an EPCglobal application; inparticular, indicates that bits 18 h – 1F h containthe Attribute Bits and the remainder of theEPC bank contains a binary encoded EPC.18 h –1F h(iftoggle= 0)Attribute BitsXPC Indicator (XI)User Memory Indicator (UMI)If one, indicates a non-EPCglobal application;in particular, indicates that bits 18 h – 1F hcontain the ISO Application Family Identifier(AFI) as defined in [ISO15961] and theremainder of the EPC bank contains a UniqueItem Identifier (UII) appropriate for that AFI.Bits that may guide the handling of thephysical object to which the tag is affixed.[UHFC1G2][UHFC1G2][UHFC1G2][UHFC1G2]Section 11Copyright ©2005- 2011 GS1 AISBL, All Rights Reserved. Page 59 of 218