W305B Datasheet, PDF (8/21 Pages) Cypress Semiconductor – Frequency Controller with System Recovery for Intel Integrated Core Logic

Byte 2: Control Register 2 (continued)
Bit
Pin#
Name
Bit 3
Bit 2
Bit 1
15
PCI3
13
PCI2
12
PCI1
Bit 0
11
PCI0
Byte 3: Control Register 3
Bit
Bit 7
Bit 6
Pin#
9
8
Bit 5
7
Bit 4
55
Bit 3
-
Bit 2
-
Bit 1
51
Bit 0
52
Name
3V66_2
3V66_1
3V66_0
APIC
Reserved
Reserved
CPU1
CPU0
Byte 4: Control Register 4
Bit
Bit 7
Pin#
38
Bit 6
41
Bit 5
42
Bit 4
43
Bit 3
44
Bit 2
47
Bit 1
48
Bit 0
49
Byte 5: Control Register 5
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Pin#
-
-
-
31
32
35
36
37
Name
SDRAM7
SDRAM6
SDRAM5
SDRAM4
SDRAM3
SDRAM2
SDRAM1
SDRAM0
Name
Reserved
Reserved
Reserved
SDRAM12
SDRAM11
SDRAM10
SDRAM9
SDRAM8
Default
1
1
1
1
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
Description
Default
1
1
1
1
0
0
1
1
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
Reserved
Reserved
(Active/Inactive)
(Active/Inactive)
Description
Default
1
1
1
1
1
1
1
1
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
Description
Default
0
0
0
1
1
1
1
1
Reserved
Reserved
Reserved
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
Description
W305B
Document #: 38-07262 Rev. *B
Page 8 of 21