参数资料
型号: CY28445LFXC-5T
厂商: Silicon Laboratories Inc
文件页数: 24/25页
文件大小: 0K
描述: IC CLOCK CALISTOGA CK410M 68QFN
标准包装: 2,000
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: 3:22
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: 68-VFQFN 裸露焊盘
供应商设备封装: 68-QFN(8x8)
包装: 带卷 (TR)
CY28445-5
....................... Document #: 38-07739 Rev *C Page 8 of 25
3
1
PCI, PCIF and SRC clock
outputs except those set
to free running
SW PCI_STP Function
0 = SW PCI_STP assert, 1 = SW PCI_STP deassert
When this bit is set to 0, all STOPPABLE PCI, PCIF and SRC outputs will
be stopped in a synchronous manner with no short pulses.
When this bit is set to 1, all STOPPED PCI, PCIF and SRC outputs will
resume in a synchronous manner with no short pulses.
2
HW
FSC
FSC Reflects the value of the FSC pin sampled on power-up
0 = FSC was low during VTT_PWRGD# assertion
1
HW
FSB
FSB Reflects the value of the FSB pin sampled on power-up
0 = FSB was low during VTT_PWRGD# assertion
0
HW
FSA
FSA Reflects the value of the FSA pin sampled on power-up
0 = FSA was low during VTT_PWRGD# assertion
Byte 6: Control Register 6 (continued)
Bit
@Pup
Name
Description
Byte 7: Vendor ID
Bit
@Pup
Name
Description
7
0
Revision Code Bit 3
6
0
Revision Code Bit 2
5
0
Revision Code Bit 1
4
1
Revision Code Bit 0
3
1
Vendor ID Bit 3
2
0
Vendor ID Bit 2
1
0
Vendor ID Bit 1
0
Vendor ID Bit 0
Byte 8: Control Register 8
Bit
@Pup
Name
Description
7
0
CPU_SS
0: –0.5% (Peak to peak)
1: –1.0% (Peak to peak)
6
0
CPU-DWN_SS
0: Down Spread
1: Center Spread
5
0
RESERVED
RESERVED, Set = 0
4
0
RESERVED
RESERVED, Set = 0
3
0
RESERVED
RESERVED, Set = 0
2
1
48M
48-MHz Output Drive Strength
0 = Low, 1 = High
1
PCI1
33-MHz Output Drive Strength
0 = Low, 1 = High
0
1
PCIF0
33-MHz Output Drive Strength
0 = Low, 1 = High
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