參數(shù)資料
型號: CY28442ZXC-2T
廠商: Silicon Laboratories Inc
文件頁數(shù): 15/19頁
文件大?。?/td> 0K
描述: IC CLOCK ALVISO PENTM 56TSSOP
標準包裝: 2,000
類型: 時鐘/頻率發(fā)生器
PLL:
主要目的: Intel CPU 服務器
輸入: LVTTL,晶體
輸出: HCSL,LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 3:20
差分 - 輸入:輸出: 無/是
頻率 - 最大: 200MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 56-TFSOP(0.240",6.10mm 寬)
供應商設備封裝: 56-TSSOP
包裝: 帶卷 (TR)
其它名稱: SLCY28442ZXC-2T
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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