參數(shù)資料
型號(hào): CY28349B
廠商: Cypress Semiconductor Corp.
英文描述: FTG for Intel Pentium 4 CPU and Chipsets
中文描述: FTG的英特爾奔騰4處理器和芯片組
文件頁(yè)數(shù): 7/22頁(yè)
文件大?。?/td> 174K
代理商: CY28349B
CY28349B
Document #: 38-07454 Rev. *A
Page 7 of 22
Data Byte 2
Bit
Pin#
17
16
15
14
12
11
10
Name
Pin Description
Power On
Default
0
1
1
1
1
1
1
1
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
PCI6
PCI5
PCI4
PCI3
PCI2
PCI1
PCI0
Reserved
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
Data Byte 3
Bit
Pin#
8
7
6
44, 45
1
48
Name
Pin Description
Power On
Default
1
1
1
0
1
0
1
1
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PCI_F2
PCI_F1
PCI_F0
Reserved
CPU_ITP, CPU_ITP#
Reserved
REF1
REF0
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
Reserved
(Active/Inactive)
Reserved
(Active/Inactive)
(Active/Inactive)
Data Byte 4
Bit
Pin#
Name
Pin Description
Power On
Default
0
Bit 7
MULTSEL_Override
This bit control the selection of IREF multiple.
0 = HW control; IREF multiplier is determined by
MULTSEL[0:1] input pins
1 = SW control; IREF multiplier is determined by Byte[4],
Bit[5:6].
IREF multiplier
00 = Ioh is 4 x IREF
01 = Ioh is 5 x IREF
10 = Ioh is 6 x IREF
11 = Ioh is 7 x IREF
Reserved
Reserved
Reserved
Reserved
Reserved
Bit 6
Bit 5
SW_MULTSEL1
SW_MULTSEL0
0
0
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
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