參數(shù)資料
型號: IDTCV105EPVG8
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 5/21頁
文件大?。?/td> 0K
描述: IC CLK GEN DESKTOP PC 48-SSOP
標準包裝: 1,000
類型: 時鐘/頻率發(fā)生器
PLL:
主要目的: SATA CPU
輸入: 晶體
輸出: 時鐘
電路數(shù): 1
比率 - 輸入:輸出: 1:21
差分 - 輸入:輸出: 無/是
頻率 - 最大: 533MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 48-BSSOP(0.295",7.50mm 寬)
供應商設備封裝: 48-SSOP
包裝: 帶卷 (TR)
其它名稱: CV105EPVG8
COMMERCIALTEMPERATURERANGE
IDTCV105E
CLOCKGENERATORFORDESKTOPPCPLATFORMS
13
BYTE 32: WD SOFT RESET TIMER
WD Soft Alarm timer has to be shorter than WD Hard Alarm timer. WDE and WD Soft Alarm bits, Byte 33 bit 7 and bit 5, have to be enabled for this Soft Alarm
function.
Bit
Output(s) Affected
Description/Function
0
1
Type
Power On
7
CPU WD Hard Alarm
0 = frequency select controlled by Byte 25 bit 7
HW/I2C
WDBS
RW
0
safe frequency mode select
1 = CPU frequency specified
WDCFS
by WDBS[2:0] WDCFS[2:0]
6
WDCFS2
CPU WD time out safe frequency select(1)
RW
0
5
WDCFS1
RW
0
4
WDCFS0
RW
0
3
WD soft alarm timer 3
Specify WD Soft Alarm Time Out time
RW
0
2
WD soft alarm timer 2
Time Out time = WD Soft Alarm Timer[3:0]*290ms
RW
0
1
WD soft alarm timer 1
Default is 580ms.
RW
1
0
WD soft alarm timer 0
RW
0
NOTE:
1. See SW FREQUENCY SELECTION table.
BYTE 33: WD CONTROL
Bit
Output(s) Affected
Description/Function
0
1
Type
Power On
7
WDE
Watchdogenable
Disable
Enable
RW
0
6
WD FS relatch
Relatch HW FS2, 1, 0
Disable
Enable
RW
0
in event of WD Hard Alarm time out
5
WD Soft Alarm enable
Disable
Enable
RW
0
4
AGP/PCI WD Hard Alarm
In event of WD Hard Alarm time out
HW/I2C
WDAFS
RW
0
time out safe frequency mode select 0 = AGP/PCI frequency controlled by Byte 30 bit 6
1 = AGP/PCI frequency specified by WDAFS[2:0]
3
SRC SMC 2
SRC SSC magnitude control(1)
1
2
SRC SMC 1
SRC SSC magnitude control(1)
0
1
SRC SMC 0
SRC SSC magnitude control(1)
1
0
Reserve
0
BYTE 34
Bit
Output(s) Affected
Description/Function
0
1
Type
Power On
7
SW 24_48MHz control override
0 = controlled by hardware, 1 = controlled by bit 6 HW control controlled by
RW
0
bit 6
6
24_48MHz select
48MHz
24MHz
RW
0
5
Reset#/PD#
Reset#/PD# mode select
Reset#
PD#
RW
0
4
0
3
0
2
1
0
NOTE:
1. See SMC table.
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