SMSC USB4640i ユーザーズマニュアル

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High Speed Inter-Chip USB 2.0 Hub and Flash Media Controller
Datasheet
Revision 1.0 (06-01-09)
50
SMSC USB4640/USB4640i
DATASHEET
8.4.4.24
F7h-FBh: Not Applicable
8.4.4.25
FCh-FFh: Non-Volatile Storage Signature
8.4.5
Internal Flash Media Controller Extended Configurations
Enable Registers 100h - 17Fh by setting bit 7 of bmAttribute.
8.4.5.1
100h-106h: Combo LUN 0 Identifier String
8.4.5.2
107h-10Dh: Combo LUN 1 Identifier String
8.4.5.3
10Eh-114h: Combo LUN 2 Identifier String
8.4.5.4
115h-11Bh: Combo LUN 3 Identifier String
BIT BYTE 
NAME
DESCRIPTION
7:0
Not Applicable
Not applicable.
BYTE  
NAME
DESCRIPTION
3:0
NVSTORE_SIG
This signature is used to verify the validity of the data in the first 256 bytes of 
the configuration area. The signature must be set to ‘ATA2’ for 
USB4640/USB4640i. 
BYTE NAME
DESCRIPTION
6:0
CLUN0_ID_STR
If the device to LUN mapping bytes have configured this LUN to be a combo 
LUN, then these strings will be used to identify the LUN rather than the 
device identifier strings. 
BYTE NAME
DESCRIPTION
6:0
CLUN1_ID_STR
If the device to LUN bytes have configured this LUN to be a combo LUN, 
then these strings will be used to identify the LUN rather than the device 
identifier strings. 
BYTE NAME
DESCRIPTION
6:0
CLUN2_ID_STR
If the device to LUN mapping bytes have configured this LUN to be a combo 
LUN, then these strings will be used to identify the LUN rather than the 
device identifier strings. 
BYTE NAME
DESCRIPTION
6:0
CLUN3_ID_STR
If the device to LUN mapping bytes have configured this LUN to be a combo 
LUN, then these strings will be used to identify the LUN rather than the 
device identifier strings.