參數(shù)資料
型號(hào)： CY28326OCT
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類： XO, clock
英文描述： FTG for VIA PT880 Serial Chipset
中文描述： 333.3 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封裝： SSOP-48
文件頁數(shù)： 15/23頁
文件大小： 288K
代理商： CY28326OCT
CY28326
Document #: 38-07616 Rev. *A
Page 15 of 23
Figure 11. Watch Dog timer flowchart for BIOS programming
RESET WATCHDOG TIMER
Set WD Timer Bits = 0
Clear WD Alarm bit = 0
INITIALIZE WATCHDOG TIMER
Set Frequency Revert Bit
Set WD Timer Bits
CHANGE FREQ BY
SET SOFTWARE FSEL
Set SW Freq_Sel bits
Set FS override bit
CHANGE FREQ BY SET DIAL-A-
FREQUENCY
Load M and N Registers
Set Pro_Freq_EN = 1
NO
Reset & Revert
Frequencyback
FrequencyRevert Bit = 0
Set Frequency to
FS_HW_Latched
FrequencyRevert Bit = 1
Set Frequency to
FS_SW Setting
SRESET# = 0 for 3 msec
WATCHDOG TIMER
PROGRAMMING
System need Extend
Time for next count
WD Alarm bit = 1
Exit WD Timer
CLEAR WD TIMER
Set WD timer Bits = 0
WD timer Reload bit
setting from 0 to 1
Set WD Timer Bits to
Extend Time
YES
NO
YES
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY28326OXC 制造商:Rochester Electronics LLC 功能描述:- Bulk
CY28326OXCT 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:FTG for VIA PT880 Serial Chipset
CY28326SPC 制造商:Cypress Semiconductor 功能描述:
CY28329 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:133 MHz Spread Spectrum Clock Synthesizer/Driver with Differential CPU Outputs
CY28329OXC 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 Intel CK-408B for Plumas chipset RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel
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