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參數(shù)資料
| 型號： | CY28326 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | FTG for VIA PT880 Serial Chipset |
| 中文描述： | FTG的威盛PT880系列芯片組 |
| 文件頁數(shù)： | 1/23頁 |
| 文件大?。?/td> | 288K |
| 代理商： | CY28326 |
FTG for VIA PT880 Serial Chipset
CY28326
Cypress Semiconductor Corporation
Document #: 38-07616 Rev. *A
3901 North First Street
San Jose
,
CA 95134
408-943-2600
Revised June 22, 2004
Features
Supports P4
CPUs
3.3V power supply
Ten copies of PCI clocks
One 48 MHz USB clock
Two copies of 25 MHz for SRC/LAN clocks
One 48 MHz/24 MHz programmable SIO clock
Three differential CPU clock pairs
SMBus support with Byte Write/Block Read/Write
capabilities
Spread Spectrum EMI reduction
Dial-A-Frequency
features
Auto Ratio features
48-pin SSOP package
Note:
1.
Pins marked with [*] have internal 150k
pull-up resistors. Pins marked with [**] have internal 150k
pull-down resistors.
Block Diagram
Pin Configuration
[1]
PLL1
PLL2
/2
WD
Logic
XIN
XOUT
CPU_STP#
IREF
FS[A:D]
VTTPWRGD#
MODE
PD#
SDATA
SCLK
24_48MHz
48MHz
PCI_F[0:2]
PCI[0:6]
AGP[0:2]
REF[0:2]
I2C
Logic
SRESET
Power
on
Latch
CPUC[0:2]
CPUT[0:2]
25MHz[0:1]
PCI_STP#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
VDDA
VSSA
IREF
CPUT2
CPUC2
VSSCPU
CPUT1
CPUC1
VDDCPU
CPUT0
CPUC0
VSSSRC
25MHz1
25MHz0
VDDSRC
*VTT_PWRGD/*PD#
SDATA
SCLK
SRESET#
AGP2
VSSAGP
VDDAGP
AGP1/*RatioSel
AGP0
**FSA/REF0
**FSB/REF1
VDDREF
XIN
XOUT
VSSREF
*FSC/PCIF0
*FSD/PCIF1
*Mode/PCIF2
VDDPCI
VSSPCI
PCI0
PCI1
PCI2
PCI3
PCI4
VDDPCI
VSSPCI
*(PCI_STP#)/Ratio0/PCI5
*(CPU_STP#)/Ratio1/PCI6
48MHz
**24_48_SEL/24_48MHz
VSS48
VDD48
C
48 Pin SSOP
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY28326OC | FTG for VIA PT880 Serial Chipset |
| CY28326OCT | FTG for VIA PT880 Serial Chipset |
| CY28326OXC | Single Pole Normally Open: 1-Form-A |
| CY28326OXCT | Single Pole Normally Open: 1-Form-A |
| CY28341-2 | Universal Clock Chip for VIA P4M/KT/KM400 DDR Systems |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY28326OC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:FTG for VIA PT880 Serial Chipset |
| CY28326OCT | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:FTG for VIA PT880 Serial Chipset |
| CY28326OXC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY28326OXCT | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:FTG for VIA PT880 Serial Chipset |
| CY28326SPC | 制造商:Cypress Semiconductor 功能描述: |
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