Sony XCD-SX90CR Panduan Teknis - Halaman 17
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Halaman Cetak
ConfigurationROM
The ConfigurationROM is normally used for the OS to identify the device.
The serial number and firmware version of the camera are stored in ConfigurationROM to be used when required. Note
that the setting method for the serial number and firmware version information is of Sony's unique specification and is
not compatible with cameras of other manufacturers.
The following explanation uses XCD-V60CR as an example.
Offset
Bus Info Block
400h
404h
408h
40ch
410h
Root
414h
Directory
418h
41ch
420h
With the exception of bits 8 to 15 of the 400h offset address field, the length of the entire ConfigROM is made up of
22h Quadlets. Therefore, the ConfigROM from 400h to 48Bh is 140 bytes.
The UnitDirectory offset address is required to be
424h + 000004h × 1 = 424h
Offset
Unit Directory
424h
428h
42Ch
430h
For offset address 424h, the length of the UnitDirectory is 3 Quadlets.
UnitSpecID (00A02Dh) conforms to 1394TA standards.
UnitSoftwareVersion (000102h) conforms to IIDC Standards, Version 1.3.
The offset address of UnitDependentInfo is required to be
430h + 000001h × 1 = 434h
Offset
Unit
434h
Dependent
438h
Info
43ch
440h
444h
448h
44Ch
450h
454h
458h
45Ch
460h
0-7
8-15
16-23
04
22
31
33
20
FF
A2
08
00
00
37
1A
0003
03
08
0C
00
D1
00
0-7
8-15
16-23
0003
12
00
A0
13
00
D4
00
0-7
8-15
16-23
000B
40
3C
81
00
82
00
38
00
39
00
3A
00
3B
00
3C
00
3D
01
3E
00
3F
01
24-31
ROM CRC
39
34
13
46
10
NodeVendorID/ChipID-Hi
96
Chip ID-Lo
CRC
00
46
ModuleVendorID
83
C0
00
01
UnitDirectoryOffset
24-31
CRC
2D
UnitSpecID
01
02
UnitSoftwareVersion
00
01
UnitDependentDirectory Offset
24-31
CRC
00
00
CommandRegsBase
00
0A
VendorNameLeaf
00
0D
ModelNameLeaf
00
10
Unit_sub_sw_version
00
00
Reserved
00
00
Reserved
00
00
Reserved
01
00
Vendor_unique_info_0
00
00
Vendor_unique_info_1
00
30
Vendor_unique_info_2
86
A1
Vendor_unique_info_3
17