
Zoran ZR 36506 USBV ision – Datasheet
Zoran Proprietary and Confidential
External EEPR OM
11 -5
Table of Descriptor Pointers
This table is used by the ZR36506 to locate the start address of a given descriptor. Each item in
this table consists of a Descriptor Identifier byte (first byte), and EEPROM address (second byte
- contains only 8 most significant bits of address. The other 3 bits always equal '000').
EEPROM
Address
(Hex)
EEPROM
Data
(Hex)
Description
010
DDI (=40)
Device-Descriptor Identifier code (=40). This descriptor
must exist in EEPROM.
011
DD address
Device-Descriptor address in this EEPROM (in this
table, units are in 8-byte steps for address pointers).
012
CDI#0
(=20)
Configuration-Descriptor Identifier # 0 code (=20). This
descriptor must exist in EEPROM.
bits 7-2: '001000' (code of Configuration-Descriptor).
bits 1-0: '00' (Configuration Index).
013
CD#0
address
Configuration-Descriptor #0 address.
CDI#1
(=21)
Optional
. Configuration-Descriptor Identifier # 1 code.
CD#1
address
Optional
. Configuration-Descriptor #1 address.
CDI#2
(=22)
Optional
. Configuration-Descriptor Identifier # 2 code.
CD#2
address
Optional
. Configuration-Descriptor #2 address.
CDI#3
(=23)
Optional
. Configuration-Descriptor Identifier # 3 code.
CD#3
address
Optional
. Configuration-Descriptor #3 address.
SDI#1,0
(=90)
String-Descriptor Identifier Lang#1 Indx#0 (=90).
This descriptor is actually the first table in EEPROM.
bit 7:
'1'.
bits 6-4: '001' (Language number in language-table).
bits 3-0: '0000' (String Index).