參數(shù)資料
型號(hào): CY28405OXCT
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: XO, clock
英文描述: CK409-Compliant Clock Synthesizer
中文描述: 200.9 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封裝: LEAD FREE, SSOP-48
文件頁數(shù): 6/19頁
文件大小: 259K
代理商: CY28405OXCT
CY28405
Document #: 38-07512 Rev. *B
Page 6 of 19
Byte 2: Control Register 2
Bit
7
6
5
@Pup
0
0
0
Name
Description
Reserved
Reserved
CPUT_ITP, CPUC_ITP
Reserved, set = 0
Reserved, set = 0
CPUT/C_ITP Pwrdwn drive mode
0 = Driven in power- down, 1 = three-state
CPU(T/C)1 Pwrdwn drive mode
0 = Driven in power-down, 1 = three-state
CPU(T/C)0 Pwrdwn drive mode
0 = Driven in power-down, 1 = three-state
Reserved
Reserved
Reserved
4
0
CPUT1, CPUC1
3
0
CPUT0, CPUC0
2
1
0
0
0
0
Reserved
Reserved
Reserved
Byte 3: Control Register 3
Bit
@Pup
1
Name
Description
7
SW PCI_STP Function
0= PCI_STP assert, 1= PCI_STP deassert
When this bit is set to 0, all STOPPABLE PCI and PCIF outputs will be
stopped in a synchronous manner with no short pulses.
When this bit is set to 1, all STOPPED PCI and PCIF outputs will resume
in a synchronous manner with no short pulses.
Reserved
PCI5 Output Enable
0 = Disabled, 1 = Enabled
PCI4 Output Enable
0 = Disabled, 1 = Enabled
PCI3 Output Enable
0 = Disabled, 1 = Enabled
PCI2 Output Enable
0 = Disabled, 1 = Enabled
PCI1 Output Enable
0 = Disabled, 1 = Enabled
PCI0 Output Enable
0 = Disabled, 1 = Enabled
6
5
1
1
Reserved
PCI5
4
1
PCI4
3
1
PCI3
2
1
PCI2
1
1
PCI1
0
1
PCI0
Byte 4: Control Register 4
Bit
7
@Pup
0
Name
Description
USB_48
USB 48 Drive Strength Control
0 = High Drive Strength, 1 = Low Drive Strength
USB_48 Output Enable
0 = Disabled, 1 = Enabled
Allow control of PCIF2 with assertion of SW PCI_STP
0 = Free Running, 1 = Stopped with SW PCI_STP
Allow control of PCIF1 with assertion of SW PCI_STP
0 = Free Running, 1 = Stopped with SW PCI_STP
Allow control of PCIF0 with assertion of SW PCI_STP
0 = Free Running, 1 = Stopped with SW PCI_STP
PCIF2 Output Enable
0 = Disabled, 1 = Enabled
PCIF1 Output Enable
0 = Disabled, 1 = Enabled
PCIF0 Output Enable
0 = Disabled, 1 = Enabled
6
1
USB_48
5
0
PCIF2
4
0
PCIF1
3
0
PCIF0
2
1
PCIF2
1
1
PCIF1
0
1
PCIF0
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