參數(shù)資料
型號： STPCI2HEYI
廠商： STMICROELECTRONICS
元件分類： 外設(shè)及接口
英文描述： MULTIFUNCTION PERIPHERAL, PBGA516
封裝： PLASTIC, BGA-516
文件頁數(shù)： 14/109頁
文件大?。?/td> 2430K
代理商： STPCI2HEYI
STPC ATLAS
12/109
Issue 1.1 - March 23, 2004
1.7. CLOCK TREE
The STPC Atlas integrates many features and
generates all its clocks from a single 14MHz
oscillator. This results in multiple clock domains as
described in Figure 1-2.
The speed of the PLLs is either fixed (DEVCLK),
either programmable by strap option (HCLK)
either programmable by software (DCLK, MCLK).
When in synchronized mode, MCLK speed is fixed
to HCLKO speed and HCLKI is generated from
MCLKI.
Figure 1-2. STPC Atlas clock architecture
Kbd/Mouse
IPC
SDRAM controller
North Bridge
14.31818 MHz
XTALO
XTALI
OSC14M
ISACLK
1/4
DEVCLK
(24MHz)
PLL
(14MHz)
1/2
UARTs
HCLK
PLL
PCICLKI
PCICLKO
South Bridge
PWM
1/2
1/3
HCLK
DCLK
PLL
MCLK
PLL
DCLK
MCLKI
MCLKO
USB
CRTC,Video,TFT
CPU
x2
VCLK
48MHz
// Port
1/4
1/2
1/26
1/6
VIP
GE, LDE, AFE
PCMCIA
Local Bus
Host
ISA
HCLKI
HCLKO
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STPCINDUSTRIAL 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PC Compatible Embedded Microprocessor
STP-CN04 功能描述:烙鐵 Cartridge Conical 0.4mm (0.016in) RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included
STP-CN05 功能描述:烙鐵 Cartridge Conical 0.5mm (0.02in) RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included
STP-CN10 功能描述:烙鐵 Cartridge Conical 1mm (0.039in) RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included
STP-CNB04 功能描述:烙鐵 Cartridge Conical Bent 0.4mm (0.016in) RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included
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