CY28301
Byte 6: Vendor ID and Revision ID Register (Read-only)
Bit
Name
Default
Pin Description
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Revision_ID1
Revision_ID0
Vendor_ID3
Vendor_ID2
Vendor _ID1
Vendor _ID0
0
0
1
0
0
0
Revision ID bit[1]
Revision ID bit[0]
Bit[3] of Cypress’s Vendor ID. This bit is Read-only.
Bit[2] of Cypress’s Vendor ID. This bit is Read-only.
Bit[1] of Cypress’s Vendor ID. This bit is Read-only.
Bit[0] of Cypress’s Vendor ID. This bit is Read-only.
Byte 7: Control Register 7
Bit
Bit 7
Pin#
–
Name
Reserved
Default
Pin Description
0
1
1
0
1
1
0
0
Reserved
Bit 6
35
34
–
24_48MHz_DRV
48MHz_DRV
Reserved
0 = Norm, 1 = High drive
0 = Norm, 1 = High drive
Reserved
Bit 5
Bit 4
Bit 3
35
34
–
24_48MHz
48 MHz
(Active/Inactive)
(Active/Inactive)
Reserved
Bit 2
Bit 1
Reserved
Bit 0
–
Reserved
Reserved
Byte 8: Reserved Register
Bit
Name
Default
Pin Description
Bit 7
Bit 6
PCI_Skew1
PCI_Skew0
0
0
PCI skew control
00 = Normal
01 = –500 ps
10 = Reserved
11 = +500 ps
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
1
1
1
1
1
0
Reserved. Write with ‘1’
Reserved. Write with ‘1’
Reserved. Write with ‘1’
Reserved. Write with ‘1’
Reserved. Write with ‘1’
Reserved
Byte 9: Reserved Register
Bit Name
Default
Pin Description
Bit 7
SDRAM_DRV
0
SDRAM clock output drive strength
0 = Normal
1 = High Drive
Bit 6
PCI_DRV
0
PCI and AGP clock output drive strength
0 = Normal
1 = High drive
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
0
0
0
0
0
0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Rev 1.0,November 27, 2006
Page 7 of 13
SPECTRALINEAR [ SPECTRALINEAR INC ]
