Sony XCD-SX90 Technical Manual - Page 17

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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

0003

0-7

8-15

16-23

0003

0-7

8-15

16-23

000B

24-31

ROM CRC

NodeVendorID/ChipID-Hi

Chip ID-Lo

CRC

ModuleVendorID

UnitDirectoryOffset

24-31

CRC

UnitSpecID

UnitSoftwareVersion

UnitDependentDirectory Offset

24-31

CRC

CommandRegsBase

VendorNameLeaf

ModelNameLeaf

Unit_sub_sw_version

Reserved

Vendor_unique_info_0

Vendor_unique_info_1

Vendor_unique_info_2

Vendor_unique_info_3