參數(shù)資料
型號(hào): IP113M
英文描述: Managed 10/100Base-TX / FX Media Converter
中文描述: 托管個(gè)10/100Base-TX /外匯收發(fā)器
文件頁數(shù): 15/27頁
文件大?。?/td> 186K
代理商: IP113M
IP113
EEPROM Interface
Preliminary, Specification
subject to change without notice
15
IP113-DS-P07
Jul. 19, 2002
During reset, IP113 sets the default value for each bit.
After reset, IP113 latches the setting on pins at the end
of reset and begins to read the content in the EEPROM.
The data in EEPROM is valid only if there is a specific
pattern 55AA read in the register 0. If there is no
EEPROM, IP113 keeps the value read from resistors
setting. IP113 is still in reset state before finishing
EEPROM reading.
IP113 will stop reading the content of an EEPROM if
there is no specific pattern 55AA read in the register 0.
After IP113 read the EEPROM, the EEPROM pins
(BP_KIND and LED_SEL) are kept in input mode.
All fields in EEPROM corresponding to the registers of
IP113 should be filled with correct value if an EEPROM
is used. Because the default value in IP113 will be
replaced with the content in EEPROM if it is valid.
IP113 uses a 93C46 EEPROM device. The detail
operation is illustrated in the following figure.
Internal PLL clock
Internal Reset
>10us
Power On
Latch setting
on pins
Update setting with the
content of EEPROM
(Finish reading EEPROM)
RESETB
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