参数资料
型号: SL28647BLCT
厂商: Silicon Laboratories Inc
文件页数: 27/27页
文件大小: 0K
描述: IC CLOCK CK505 DIFF PAIR 72QFN
标准包装: 2,000
类型: 时钟/频率发生器,多路复用器
PLL:
主要目的: Intel CPU 服务器
输入: 晶体
输出: HCSL,LVCMOS
电路数: 1
比率 - 输入:输出: 1:22
差分 - 输入:输出: 无/是
频率 - 最大: 400MHz
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 85°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
SL28647
.......................Document #: 001-05103 Rev *B Page 9 of 27
5
0
S1
27M_SS/LCD 96_100M SS Spread Spectrum Selection table:
S[1:0] SS%
‘00’ = –0.5%(Default value)
‘01’ = –1.0%
‘10’ = –1.5%
‘11’ = –2.0%
40
S0
3
1
RESERVED
2
1
27M_SS_OE
27M_SS Output Enable
0 =Disabled, 1 = Enabled
1
27M_SS/LCD_96M/100M
Spread Enable
27M_SS/LCD_96/100M Spread spectrum enable.
0 = Spread Disabled, 1 = Spread Enabled
0
RESERVED
Byte 10 Control Register 10 (continued)
Bit
@Pup
Name
Description
Byte 11 Control Register 11
Bit
@Pup
Name
Description
7
1
RESERVED
6
1
RESERVED
5
1
SRC9_OE
SRC9 Output Enable
0 = Disabled, 1 = Enabled
4
1
SRC8_OE
SRC8 Output Enable
0 = Disabled, 1 = Enabled
3
0
RESERVED
2
0
SRC10_STP_CTRL
Allow control of SRC10 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
1
0
SRC9_STP_CTRL
Allow control of SRC9 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
0
SRC8_STP_CTRL
Allow control of SRC8 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Byte 12 Control Register 12
Bit
@Pup
Name
Description
7
0
DIAG_EN
Diagnostic Bits Enabled
0 = Reset (default) setting bit 6, 5, 4, 2, 0 to zero
1 = DIAG mode enabled
6
HW
CPU PLL Status
CPU_PLL status
0 = PLL not locked; 1 = PLL locked
5
HW
Video PLL Status
Video_PLL status
0 = PLL not locked; 1 = PLL locked
4
HW
Fixed PLL Status
Fixed_PLL status
0 = PLL not locked; 1 = PLL locked
3
HW
PCIe PLL Status
PCIe_PLL status
0 = PLL not locked; 1 = PLL locked
2
HW
Frequency Accuracy
Primiary PLL or external crystal Frequency Accuracy
0=Frequency not accurate, 1=Frequency Accurate
1
Byte 0 Access
Byte 0 Access Control
0 = Disabled, 1 = Enabled
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