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參數資料
| 型號： | CY28323OXCT |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數： | 2/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CLOCK BROOKDALE GPENT4 48SSOP |
| 標準包裝： | 1,000 |
| 類型： | 時鐘/頻率發(fā)生器 |
| PLL： | 是 |
| 主要目的： | Intel CPU 服務器 |
| 輸入： | 晶體 |
| 輸出： | HCSL，LVCMOS |
| 電路數： | 1 |
| 比率 - 輸入:輸出： | 1:21 |
| 差分 - 輸入:輸出： | 無/是 |
| 頻率 - 最大： | 248MHz |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-BSSOP（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 48-SSOP |
| 包裝： | 帶卷 (TR) |
CY28323PVC
. Document #: 38-07004 Rev. *B Page Page 10 of 21 of 21
Data Byte 10
Bit
Pin#
Name
Pin Description
Power On
Default
Bit 7
--
CPU_Skew2
CPU skew control
000 = Normal
001 = –150 ps
010 = –300 ps
011 = –450 ps
100 = +150 ps
101 = +300 ps
110 = +450 ps
111 = +600 ps
0
Bit 6
--
CPU_Skew1
0
Bit 5
--
CPU_Skew0
0
Bit 4
--
Reserved
0
Bit 3
--
PCI_Skew1
PCI skew control
00 = Normal
01 = –500 ps
10 = Reserved
11 = +500 ps
0
Bit 2
--
PCI_Skew0
0
Bit 1
--
3V66_Skew1
3V66 skew control
00 = Normal
01 = –150 ps
10 = +150 ps
11 = +300 ps
0
Bit 0
--
3V66_Skew0
0
Data Byte 11
Bit
Pin#
Name
Pin Description
Power On
Default
Bit 7
--
ROCV_FREQ_N7
If ROCV_FREQ_SEL is set, the values programmed in
ROCV_FREQ_N[7:0] and ROCV_FREQ_M[6:0] will be
use to determine the recovery CPU output frequency when
a Watchdog timer time-out occurs.
The setting of FS_Override bit determines the frequency
ratio for CPU and other output clocks. When the
FS_Override bit is cleared, the same frequency ratio stated
in the Latched FS[4:0] register will be used. When it is set,
the frequency ratio stated in the SEL[4:0] register will be
used.
0
Bit 6
--
ROCV_FREQ_N6
0
Bit 5
--
ROCV_FREQ_N5
0
Bit 4
--
ROCV_FREQ_N4
0
Bit 3
--
ROCV_FREQ_N3
0
Bit 2
--
ROCV_FREQ_N2
0
Bit 1
--
ROCV_FREQ_N1
0
Bit 0
--
ROCV_FREQ_N0
0
Data Byte 12
Bit
Pin#
Name
Pin Description
Power On
Default
Bit 7
--
ROCV_FREQ_SEL
ROCV_FREQ_SEL determines the source of the recover
frequency when a Watchdog Timer time-out occurs. The
clock generator will automatically switch to the recovery
CPU frequency based on the selection on
ROCV_FREQ_SEL.
0 = From latched FS[4:0]
1 = From the settings of ROCV_FREQ_N[7:0] &
ROCV_FREQ_M[6:0]
0
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相關代理商/技術參數 |
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| CY28323PVC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY28324 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:FTG for Intel Pentium 4 CPU and Chipsets |
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| CY28324PVCT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
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