參數(shù)資料
型號： CY2275A
廠商： Cypress Semiconductor Corp.
英文描述： PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX with 3 DIMMs(帶英特爾82440LX 和 3個DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時鐘合成器/驅(qū)動器)
中文描述： PentiumII時鐘合成器/ 82440LX與英特爾臺式機(jī)與3個DIMM驅(qū)動器（帶英特爾82440LX和3個DIMM內(nèi)存的應(yīng)用于桌上型電腦機(jī)的奔騰二時鐘合成器/驅(qū)動器）
文件頁數(shù)： 4/12頁
文件大小： 200K
代理商： CY2275A
CY2275A
4
Byte 1: CPU Active/Inactive Register
(1 = Active, 0 = Inactive), Default = Active
Bit
Pin #
Description
Bit 7
N/A
(Reserved) drive to ‘0’
Bit 6
N/A
(Reserved) drive to ‘0’
Bit 5
N/A
(Reserved) drive to ‘0’
Bit 4
N/A
Not used - drive to ‘0’
Bit 3
40
CPUCLK3 (Active/Inactive)
Bit 2
41
CPUCLK2 (Active/Inactive)
Bit 1
43
CPUCLK1 (Active/Inactive)
Bit 0
44
CPUCLK0 (Active/Inactive)
Byte 3: SDRAM Active/Inactive Register
(1 = Active, 0 = Inactive), Default = Active
Bit
Pin #
Description
Bit 7
28
SDRAM7 (Active/Inactive)
Bit 6
29
SDRAM6 (Active/Inactive)
Bit 5
31
SDRAM5 (Active/Inactive)
Bit 4
32
SDRAM4 (Active/Inactive)
Bit 3
34
SDRAM3 (Active/Inactive)
Bit 2
35
SDRAM2 (Active/Inactive)
Bit 1
37
SDRAM1 (Active/Inactive)
Bit 0
38
SDRAM0 (Active/Inactive)
Byte 5: Peripheral Active/Inactive Register
(1 = Active, 0 = Inactive), Default = Active
Bit
Pin #
N/A
Description
Bit 7
(Reserved) drive to ‘0’
Bit 6
N/A
(Reserved) drive to ‘0’
Bit 5
46
IOAPIC1 (Active/Inactive)
Bit 4
47
IOAPIC0 (Active/Inactive)
Bit 3
N/A
(Reserved) drive to ‘0’
Bit 2
N/A
(Reserved) drive to ‘0’
Bit 1
N/A
(Reserved) drive to ‘0’
Bit 0
2
REF0 (Active/Inactive)
Byte 2: PCI Active/Inactive Register
(1 = Active, 0 = Inactive), Default = Active
Bit
Pin #
Description
Bit 7
--
(Reserved) drive to ‘0’
Bit 6
7
PCICLK_F (Active/Inactive)
Bit 5
15
PCICLK5 (Active/Inactive)
Bit 4
14
PCICLK4 (Active/Inactive)
Bit 3
12
PCICLK3 (Active/Inactive)
Bit 2
11
PCICLK2 (Active/Inactive)
Bit 1
10
PCICLK1 (Active/Inactive)
Bit 0
8
PCICLK0 (Active/Inactive)
Byte 4: SDRAM Active/Inactive Register
(1 = Active, 0 = Inactive), Default = Active
Bit
Pin #
Description
Bit 7
N/A
Not used - drive to ‘0’
Bit 6
N/A
Not used - drive to ‘0’
Bit 5
N/A
Not used - drive to ‘0’
Bit 4
N/A
Not used - drive to ‘0’
Bit 3
17
SDRAM11
Bit 2
18
SDRAM10
Bit 1
20
SDRAM9
Bit 0
21
SDRAM8
Byte 6: Reserved, for future use
相關(guān)PDF資料
PDF描述
CY2276A-12 PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX and 4 DIMMs(帶英特爾82440LX 和4個DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時鐘合成器/驅(qū)動器)
CY2276A-13 PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX and 4 DIMMs(帶英特爾82440LX 和4個DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時鐘合成器/驅(qū)動器)
CY2276A-21 PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX and 3SO- DIMMs(帶英特爾82440LX 和3SO-DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時鐘合成器/驅(qū)動器)
CY2276A-31 PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX and 3SO- DIMMs(帶英特爾82440LX 和3SO-DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時鐘合成器/驅(qū)動器)
CY2278A PentiumII Clock Synthesizer/Driver for Mobile PCs with Intel 82430TX and No SDRAM(帶英特爾82430TX和2個DIMM 或3個SO-DIMM 的應(yīng)用于移動PC機(jī)的奔騰II6x86, K6 時鐘合成器/驅(qū)動器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY2275APVC-12 制造商:Cypress Semiconductor 功能描述:66.654 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
CY2275PVC-1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CPU System Clock Generator
CY2276APVC-13 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CPU System Clock Generator
CY2276PVC-1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CPU System Clock Generator
CY2276PVC-2 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CPU System Clock Generator
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