參數(shù)資料
型號(hào)： CY2276A-12
廠商： Cypress Semiconductor Corp.
英文描述： PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX and 4 DIMMs(帶英特爾82440LX 和4個(gè)DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時(shí)鐘合成器/驅(qū)動(dòng)器)
中文描述： PentiumII時(shí)鐘合成器/與英特爾82440LX和4個(gè)DIMM臺(tái)式機(jī)驅(qū)動(dòng)器（帶英特爾82440LX和4個(gè)DIMM內(nèi)存的應(yīng)用于桌上型電腦機(jī)的奔騰二時(shí)鐘合成器/驅(qū)動(dòng)器）
文件頁數(shù)： 4/11頁
文件大?。?/td> 164K
代理商： CY2276A-12
CY2276A-12
CY2276A-13
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
46
CPUCLK4 (Active/Inactive)
Bit 3
48
CPUCLK3 (Active/Inactive)
Bit 2
49
CPUCLK2 (Active/Inactive)
Bit 1
51
CPUCLK1 (Active/Inactive)
Bit 0
52
CPUCLK0 (Active/Inactive)
Byte 3: SDRAM Active/Inactive Register
(1 = Active, 0 = Inactive), Default = Active
Bit
Pin #
Description
Bit 7
35
SDRAM7 (Active/Inactive)
Bit 6
36
SDRAM6 (Active/Inactive)
Bit 5
38
SDRAM5 (Active/Inactive)
Bit 4
39
SDRAM4 (Active/Inactive)
Bit 3
41
SDRAM3 (Active/Inactive)
Bit 2
42
SDRAM2 (Active/Inactive)
Bit 1
44
SDRAM1 (Active/Inactive)
Bit 0
45
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
2
IOAPIC2 (Active/Inactive)
Bit 5
54
IOAPIC1 (Active/Inactive)
Bit 4
55
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
3
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
8
PCICLK_F (Active/Inactive)
Bit 5
16
PCICLK5 (Active/Inactive)
Bit 4
14
PCICLK4 (Active/Inactive)
Bit 3
13
PCICLK3 (Active/Inactive)
Bit 2
12
PCICLK2 (Active/Inactive)
Bit 1
11
PCICLK1 (Active/Inactive)
Bit 0
9
PCICLK0 (Active/Inactive)
Byte 4: SDRAM Active/Inactive Register
(1 = Active, 0 = Inactive), Default = Active
Bit
Pin #
Description
Bit 7
24
SDRAM15 (Active/Inactive)
Bit 6
25
SDRAM14 (Active/Inactive)
Bit 5
32
SDRAM13 (Active/Inactive)
Bit 4
33
SDRAM12 (Active/Inactive)
Bit 3
18
SDRAM11 (Active/Inactive)
Bit 2
19
SDRAM10 (Active/Inactive)
Bit 1
21
SDRAM9 (Active/Inactive)
Bit 0
22
SDRAM8 (Active/Inactive)
Byte 6: Reserved, for future use
相關(guān)PDF資料
PDF描述
CY2276A-13 PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX and 4 DIMMs(帶英特爾82440LX 和4個(gè)DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時(shí)鐘合成器/驅(qū)動(dòng)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(shí)鐘合成器/驅(qū)動(dòng)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(shí)鐘合成器/驅(qū)動(dòng)器)
CY2278A PentiumII Clock Synthesizer/Driver for Mobile PCs with Intel 82430TX and No SDRAM(帶英特爾82430TX和2個(gè)DIMM 或3個(gè)SO-DIMM 的應(yīng)用于移動(dòng)PC機(jī)的奔騰II6x86, K6 時(shí)鐘合成器/驅(qū)動(dòng)器)
CY22800-082A Universal Programmable Clock Generator (UPCG)
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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
CY2276PVC-3 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-4 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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