參數(shù)資料
型號(hào): CY2283
廠商: Cypress Semiconductor Corp.
英文描述: PentiumII, K6, 6x86 100-MHz Clock Synthesizer/Driver for Desktop PCs with ALI or VIA Chipsets, AGP and 3 DIMMs(帶ALI或VIA芯片組,AGP和3DIMM應(yīng)用于桌上型PC機(jī)的奔II,K6, 6x86 100MHz時(shí)鐘合成器/驅(qū)動(dòng)器)
中文描述: PentiumII,K6,6x86 100 MHz的時(shí)鐘合成器/驅(qū)動(dòng)器與阿里或威盛芯片組,AGP和3個(gè)DIMM(帶急性肺損傷或威盛芯片組,AGP接口和3DIMM應(yīng)用于桌上型電腦機(jī)的奔二,K6,6x86桌面電腦100MHz的時(shí)鐘合成器/驅(qū)動(dòng)器)
文件頁數(shù): 4/12頁
文件大?。?/td> 218K
代理商: CY2283
CY2283
PRELIMINARY
4
Byte 1: CPU Active/Inactive Register
(1 = Active, 0 = Inactive), Default = Active
Bit
Pin #
47
Description
Bit 7
USBCLK
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 #
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
(Reserved), drive to ‘0’
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
AGP1 (Active/Inactive)
Bit 4
14
AGP0 (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
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