参数资料
型号: SL28647CLCT
厂商: Silicon Laboratories Inc
文件页数: 26/27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 8 of 27
6
0
TEST_MODE
Test Clock Mode Entry Control
0 = Normal operation, 1 = REF/N or Tri-state mode,
5
1
REF1 Bit0
REF1 Slew Rate Control Bit 0, See Table 6 for more detail
0 = Low, 1 = High
4
1
REF0 Bit0
REF0 Slew Rate Control Bit 0, See Table 6 for more detail
0 = Low, 1 = High
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 CK_PWRGD assertion
1
HW
FSB
FSB Reflects the value of the FSB pin sampled on power up
0 = FSB was low during CK_PWRGD assertion
0
HW
FSA
FSA Reflects the value of the FSA pin sampled on power up
0 = FSA was low during CK_PWRGD assertion
Byte 7 Control Register 7 (continued)
Bit
@Pup
Name
Description
Byte 8 Vendor ID
Bit
@Pup
Name
Description
7
0
Revision Code Bit 3
6
0
Revision Code Bit 2
5
1
Revision Code Bit 1
4
0
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 9 Control Register 9
Bit
@Pup
Name
Description
7
0
RESERVED
6
0
RESERVED
5
0
RESERVED
4
0
RESERVED
3
1
RESERVED
2
1
48M Bit0
48M Slew Rate Control Bit 0, See Table 6 for more detail
0 = Low, 1 = High
1
RESERVED
0
1
PCIF0 Bit0
PCIF0 Slew Rate Control Bit 0, See Table 6 for more detail
0 = Low, 1 = High
Byte 10 Control Register 10
Bit
@Pup
Name
Description
7
0
RESERVED
6
0
RESERVED
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