参数资料
型号: CY28442ZXC-2
厂商: Silicon Laboratories Inc
文件页数: 15/19页
文件大小: 0K
描述: IC CLOCK ALVISO PENTM 56TSSOP
标准包装: 35
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: 3:20
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: 56-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 56-TSSOP
包装: 管件
其它名称: SLCY28442ZXC-2
CY28442-2
....................... Document #: 38-07691 Rev. *B Page 5 of 19
Control Registers
Byte 0: Control Register 0
Bit
@Pup
Name
Description
7
1
CPUT2_ITP/SRCT7
CPUC2_ITP/SRCC7
CPU[T/C]2_ITP/SRC[T/C]7 Output Enable
0 = Disable (Tri-state), 1 = Enable
6
1
SRC[T/C]6
SRC[T/C]6 Output Enable
0 = Disable (Tri-state), 1 = Enable
5
1
SRC[T/C]5
SRC[T/C]5 Output Enable
0 = Disable (Tri-state), 1 = Enable
4
1
SRC[T/C]4
SRC[T/C]4 Output Enable
0 = Disable (Tri-state), 1 = Enable
3
1
SRC[T/C]3
SRC[T/C]3 Output Enable
0 = Disable (Tri-state), 1 = Enable
2
1
SRC[T/C]2
SRC[T/C]2 Output Enable
0 = Disable (Tri-state), 1 = Enable
1
SRC[T/C]1
SRC[T/C]1 Output Enable
0 = Disable (Tri-state), 1 = Enable
0
1
RESERVED
Byte 1: Control Register 1
Bit
@Pup
Name
Description
7
1
PCIF0
PCIF0 Output Enable
0 = Disabled, 1 = Enabled
6
1
DOT_96T/C
DOT_96 MHz Output Enable
0 = Disable (Tri-state), 1 = Enabled
5
1
USB_48
USB_48 MHz Output Enable
0 = Disabled, 1 = Enabled
4
1
REF0
REF0 Output Enable
0 = Disabled, 1 = Enabled
3
1
REF1
REF1 Output Enable
0 = Disabled, 1 = Enabled
2
1
CPU[T/C]1
CPU[T/C]1 Output Enable
0 = Disable (Tri-state), 1 = Enabled
1
CPU[T/C]0
CPU[T/C]0 Output Enable
0 = Disable (Tri-state), 1 = Enabled
0
CPU
PLL1 (CPU PLL) Spread Spectrum Enable
0 = Spread off, 1 = Spread on
Byte 2: Control Register 2
Bit
@Pup
Name
Description
7
1
PCI5
PCI5 Output Enable
0 = Disabled, 1 = Enabled
6
1
PCI4
PCI4 Output Enable
0 = Disabled, 1 = Enabled
5
1
PCI3
PCI3 Output Enable
0 = Disabled, 1 = Enabled
4
1
PCI2
PCI2 Output Enable
0 = Disabled, 1 = Enabled
3
1
Reserved
Reserved, Set = 1
2
1
Reserved
Reserved, Set = 1
1
Reserved
Reserved, Set = 1
0
1
PCIF1
PCIF1 Output Enable
0 = Disabled, 1 = Enabled
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