adm6999ux Infineon Technologies Corporation, adm6999ux Datasheet - Page 33

• Manufacturer Part Number: adm6999ux
• Description: Adm6999u 9 Port 10/100 Mb/s Single Chip Ethernet Switch Controller
• Manufacturer: Infineon Technologies Corporation

Table 10
Mode
latch_on_reset
Read/write
self clearing
Table 11
Clock Short Name
3.5.1.1
Signature Register
ADM6999U/UX will check register 0 value before read all EEPROM content. If this value not match with 0x4154h
then other values in EEPROM will be useless. ADM6999U/UX will use internal default value. User can not write
Signature register when programming ADM6999U/UX internal register.
SR
Signature Register
Field
Signature
Data Sheet
Register Access Types (cont’d)
Registers Clock DomainsRegisters Clock Domains
EEPROM Registers Description
Bits
15:0
Symbol Description HW
lor
rwsc
rw register, value is latched after first
clock cycle after reset
Register is used as input for the hw, the
register will be cleared due to a HW
mechanism.
Type
ro
Description
Description
Signature
4154
H
, must be value
Offset
00
33
H
Description SW
Register is read and writable by SW
Writing to the register generates a strobe
signal for the HW (1 pdi clock cycle)
Register is read and writable by SW.
Rev. 1.42, 2005-11-25
ADM6999U/UX
Data Sheet
Descriptions
Reset Value
4154
H