CY28378 Cypress Semiconductor, CY28378 Datasheet - Page 8

• Manufacturer Part Number: CY28378
• Description: FTG for Pentium 4 and Intel 845 Series Chipset
• Manufacturer: Cypress Semiconductor

Document #: 38-07519 Rev. **
Byte 6
Byte 7
Byte 8
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
@Pup
0
0
0
0
0
0
0
0
3V66 Fract_Align2
3V66 Fract_Align1
3V66 Fract_Align0
Reserved
Reserved
Reserved
Reserved
3V66 Fract_Align3 3V66 Frequency Fractional Aligner: These bits determine the 3V66 fixed frequency. This
@Pup
@Pup
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
0
Name
Revision_ID3
Revision_ID2
Revision_ID1
Revision_ID0
Vendor_ID3
Vendor_ID2
Vendor _ID1
Vendor _ID0
WD_Alarm
Frequency_Revert
Reserved
WD_TIMER3
WD_TIMER2
WD_TIMER1
WD_TIMER0
Reserved
Vendor Test Mode (always program to 0)
Vendor Test Mode (always program to 0)
Vendor Test Mode (always program to 0)
Vendor Test Mode (always program to 0)
option does not incorporate spread spectrum and is enabled through Byte10, bit 4
Name
Name
This bit is set to “1” when the Watchdog times out. It is reset to “0” when
the system clears the WD_TIMER time stamp
This bit allows setting the Revert Frequency once the system is rebooted
0: Hardware
1: Last Programmed
Reserved
Watchdog timer time stamp selection:
Reserved
Revision ID bit[3]
Revision ID bit[2]
Revision ID bit[1]
Revision ID bit[0]
Bit[3] of Cypress Semiconductor’s Vendor ID. This bit is read only.
Bit[2] of Cypress Semiconductor’s Vendor ID. This bit is read only.
Bit[1] of Cypress Semiconductor’s Vendor ID. This bit is read only.
Bit[0] of Cypress Semiconductor’s Vendor ID. This bit is read only.
001067.533.7
001168.534.3
010069.534.8
010170.635.3
011071.635.8
011172.636.3
100073.636.8
100174.737.3
101075.737.8
101176.738.4
110077.738.9
110178.739.4
111079.839.9
111180.840.4
0000: Off
0001: 1 second
0010: 2 seconds
1110: 14 seconds
1111: 15 seconds
.
.
.
Pin Description
Pin Description
Pin Description
CY28378
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