参数资料
型号: CY28547LFXC
厂商: Silicon Laboratories Inc
文件页数: 24/24页
文件大小: 0K
描述: IC CLOCK CK505/410M INTEL 72QFN
标准包装: 240
类型: 时钟/频率发生器
PLL:
主要目的: Intel CPU 服务器
输入: LVTTL,晶体
输出: HCSL,LVCMOS
电路数: 1
比率 - 输入:输出: 3:23
差分 - 输入:输出: 无/是
频率 - 最大: 200MHz
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 72-VFQFN 裸露焊盘
供应商设备封装: 72-QFN(10x10)
包装: 托盘
CY28547
.......................Document #: 001-05103 Rev *B Page 9 of 24
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
27M Spread Output Enable
0 = Disabled, 1 = Enabled
1
27M_SS/LCD_100M
Spread Enable
27M_SS/LCD_100M Spread spectrum enable.
0 = Disabled, 1 = Enabled
0
RESERVED
Byte 11 Control Register 11
Bit
@Pup
Name
Description
7
0
RESERVED
6
0
RESERVED
5
1
SRC[T/C]9
SRC[T/C]9 Output Enable
0 = Disable (Hi-Z), 1 = Enable
4
1
SRC[T/C]8
SRC[T/C]8 Output Enable
0 = Disable (Hi-Z), 1 = Enable
3
1
RESERVED
2
0
SRC[T/C]10
Allow control of SRC[T/C]10 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
1
0
SRC[T/C]9
Allow control of SRC[T/C]9 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
0
SRC[T/C]8
Allow control of SRC[T/C]8 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Byte 10 Control Register 10 (continued)
Bit
@Pup
Name
Description
Byte 12 Control Register 12
Bit
@Pup
Name
Description
7
0
RESERVED
RESERVED, Set = 0
6
HW
RESERVED
5
HW
RESERVED
4
HW
RESERVED
3
0
27M_SS/27M_NSS
27-MHz (spread and non-spread) Output Drive Strength
0 = Low, 1 = High
2
0
RESERVED
1
RESERVED
RESERVED, Set = 1
0
HW
RESERVED
Byte 13 Control Register 13
Bit
@Pup
Name
Description
7
0
CLKREQ#9
CLKREQ#9 Input Enable
0 = Disabled, 1 = Enabled
6
0
CLKREQ#8
CLKREQ#8 Input Enable
0 = Disabled, 1 = Enabled
5
0
CLKREQ#7
CLKREQ#7 Input Enable
0 = Disabled, 1 = Enabled
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