CY28400 Cypress Semiconductor, CY28400 Datasheet - Page 4

• Manufacturer Part Number: CY28400
• Description: 100-MHz Differential Buffer for PCI Express and SATA
• Manufacturer: Cypress Semiconductor

Document #: 38-07591 Rev. **
Byte 0: Control Register 0 (continued)
Byte 1: Control Register 1
Byte 2: Control Register 2
Byte 3: Control Register 3
Bit
Bit
Bit
Bit
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
@Pup
@Pup
@Pup
@Pup
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
PLL/Bypass#
DIFT/C6
DIFT/C5
DIFT/C2
DIFT/C1
Name
Name
Name
Name
PLL/Bypass#
0 = Fanout buffer, 1 = PLL mode
SRC_DIV/2
0 = Divided by 2 mode,1 = Normal (output = input)
Reserved
DIFT/C6 Output Enable
0 = Disabled (three-state), 1 = Enabled
DIFT/C5 Output Enable
0 = Disabled (three-state), 1 = Enabled
Reserved
Reserved
DIFT/C2 Output Enable
0 = Disabled (three-state), 1 = Enabled
DIFT/C1 Output Enable
0 = Disabled (three-state), 1 = Enabled
Reserved
Reserved
Allow Control DIFT/C6 with assertion of SRC_STOP#
0 = Free-running, 1 = Stopped with SRC_STOP#
Allow Control DIFT/C5 with assertion of SRC_STOP#
0 = Free-running, 1 = Stopped with SRC_STOP#
Reserved
Reserved
Allow Control DIFT/C2 with assertion of SRC_STOP#
0 = Free-running, 1 = Stopped with SRC_STOP#
Allow Control DIFT/C1 with assertion of SRC_STOP#
0 = Free-running, 1 = Stopped with SRC_STOP#
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Description
Description
Description
Description
CY28400
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