Advance Information Page 89 of 114 DEC 2009 REVISION 1.02 14.1.36 EEPROM AUTOLOAD CONTROL / STA" />
參數(shù)資料
型號: PI7C8154ANAE
廠商: Pericom
文件頁數(shù): 103/114頁
文件大?。?/td> 0K
描述: IC PCI-PCI BRIDGE ASYNC 304-PBGA
標(biāo)準(zhǔn)包裝: 27
系列: *
應(yīng)用: *
接口: *
電源電壓: *
封裝/外殼: 304-BBGA
供應(yīng)商設(shè)備封裝: 304-PBGA(31x31)
包裝: 管件
安裝類型: 表面貼裝
PI7C8154A
ASYNCHRONOUS 2-PORT
PCI-to-PCI BRIDGE
Advance Information
Page 89 of 114
DEC 2009 REVISION 1.02
14.1.36
EEPROM AUTOLOAD CONTROL / STATUS REGISTER – OFFSET 50h
Bit
Function
Type
Description
15:0
Reserved
R/O
Returns 0 when read. Reset to 0.
16
EEPROM
Autoload Control
R/W
0: Enable EEPROM autoload
1: Disable EEPROM autoload
Reset to 0
17
Fast EEPROM
Autoload Control
R/W
0: Normal speed of EEPROM autoload
1: Speeds up EEPROM autoload by 32X
Reset to 0
18
EEPROM
Autoload Status
R/O
0: EEPROM autoload is not ongoing
1: EEPROM autoload is on going
Reset to 0
31:19
Reserved
R/O
Returns 0 when read. Reset to 0.
14.1.37
EEPROM ADDRESS / CONTROL REGISTER – OFFSET 54h
Bit
Function
Type
Description
0
EEPROM Read
or Write Cycle
Start
R/W
1
Command for
EEPROM
R/W
Controls the command sent to the EEPROM
0: Read
1: Write
Reset to 0
2
EEPROM Error
R/O
0: EEPROM acknowledge is always received during the EEPROM cycle.
1: EEPROM acknowledge is not received during the EEPROM cycle.
Reset to 0
3
EEPROM
Autoload
Complete Status
R/O
0: EEPROM autoload is not successfully completed
1: EEPROM autoload is successfully completed.
Reset to 0
5:4
Reserved
R/O
Returns 0 when read. Reset to 0
7:6
EEPROM Clock
Frequency
R/W
00: Primary clock / 1024
01: Primary clock / 512
10: Primary clock / 256
11: Primary clock / 32
Reset to 0
8
Reserved
R/O
Returns 0 when read. Reset to 0.
15:9
EEPROM Word
Address
R/W
Stores the EEPROM word address for the EEPROM cycle.
Reset to 0
14.1.38
EEPROM DATA REGISTER – OFFSET 54h
Bit
Function
Type
Description
31:16
EEPROM Data
R/W
Stores the EEPROM data to be written into the EEPROM or receives the
data from the EEPROM after an EEPROM read cycle is completed.
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