SD Specifications Part 1 UHS-II Simplified Addendum - SD Association

UHS-II Simplified Addendum Version 1.01©Copyright 2010-2013 SD Card AssociationLocation Attrib Register Field Name and Explanation63-08 Rsvd07-04 HwInit CDCPThis field indicates the value of CDCP (Candidate DCP) for DeviceInitialization. Refer to Section 6.2.6 for more details.03-00 HwInit GNThis field indicates the value of GN (Group Number) for Device Initialization.Refer to Section 6.2.6 for more details.Table 6-14 : Preset Register6.2.10 Status Register (ST_REG)Status Register indicates detecting error and states of CM-TRAN. ST_REG can be accessed by CCMD,not DCMD.6.2.10.1 Register MapTable 6-15 shows the map of ST_REG. Offset means the relative address based on ST_BASE.OffsetByte address0000h:0003h0004h:01FFhIOADR000h:000h (31)001h:07FhTable 6-15 : Status RegisterRegisterStatus in TRANS_ABORTReserved(00)6.2.10.2 ST_REG DescriptionThe details of ST_REG fields are described below. Refer to Table D- 1 for the description of "Attrib" inthis specification.6.2.10.2.1 Status in TRANS_ABORT RegisterThe table shown below describes Status in TRANS_ABORT Register. After I/F power cycle orFULL_RESET, all bits in this field are set to 0.Fields of TBSM, TPSM and TSSM are updated only when Device accepts TRANS_ABORT CCMD, andreflected the last status of each state machine before accepting TRANS_ABORT CCMD.On the other hand, fields of error identifier (refer to Section 5.2.5) are updated when each error isdetected, and cleared after Device issues RES of the corresponding any P2P commands for thatDevice other than TRANS_ABORT. Different from RECOVERABLE_ERROR in MSG (STAT),RECOVERABLE_ERROR in ST_REG shall be accumulated until its clear condition described above issatisfied.This Register can be read by CCMD, but it makes sense only when Host can get RES of the previousTRANS_ABORT.72