CY28324 Cypress Semiconductor, CY28324 Datasheet - Page 8

• Manufacturer Part Number: CY28324
• Description: FTG for Intel Pentium 4 CPU and Chipsets
• Manufacturer: Cypress Semiconductor

Data Byte 2
Data Byte 3
Data Byte 4
Document #: 38-07002 Rev. *A
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit
Bit
Bit
44, 45
Pin#
Pin#
Pin#
17
16
15
14
12
10
48
11
--
--
--
--
--
--
--
--
--
--
--
8
7
6
1
Reserved
PCI6
PCI5
PCI4
PCI3
PCI2
PCI1
PCI0
PCI_F2
PCI_F1
PCI_F0
Reserved
3VMREF#, 3VMREF
Reserved
REF1
REF0
MULTSEL_Override
SW_MULTSEL1
SW_MULTSEL0
Reserved
Reserved
Reserved
CPU1 Stop Control
CPU0 Stop Control
Name
Name
Name
PRELIMINARY
Reserved
Reserved
Reserved
(Active/Inactive)
0 = HW control; IREF multiplier is determined by MULT-
SEL[0:1] input pins
1 = SW control; IREF multiplier is determined by Byte[4],
Bit[5:6].
00 = Ioh is 4 x IREF
01 = Ioh is 5 x IREF
10 = Ioh is 6 x IREF
11 = Ioh is 7 x IREF
0 = Not free running
1 = Free running; not affected by CPU_STOP#
0 = Not free running
1 = Free running; not affected by CPU_STOP#
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
This bit control the selection of IREF multiplier.
IREF multiplier
Reserved
Reserved
Reserved
Pin Description
Pin Description
Pin Description
CY28324
Page 8 of 23
Reserved
Reserved
Reserved
Power-On
Power-On
Power-On
Default
Default
Default
0
1
1
1
1
1
1
1
1
1
1
0
1
0
1
1
0
0
0
0
0