參數(shù)資料
型號(hào): STPCATLAS
廠商: 意法半導(dǎo)體
英文描述: X86 Core PC Compatible System-on-Chip for Terminals
中文描述: x86內(nèi)核PC兼容系統(tǒng)上的終端芯片
文件頁(yè)數(shù): 8/111頁(yè)
文件大?。?/td> 1896K
代理商: STPCATLAS
GENERAL DESCRIPTION
8/111
Issue 1.0 - July 24, 2002
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
(14MHz)
ISACLK
1/4
DEVCLK
PLL
DEVCLK
(24MHz)
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
相關(guān)PDF資料
PDF描述
STPC12HDYC X86 Core PC Compatible System-on-Chip for Terminals
STPC12HDYI X86 Core PC Compatible System-on-Chip for Terminals
STPCD0166BTA3 PC Compatible Embedded Microprocessor
STPCD0166BTC3 PC Compatible Embedded Microprocessor
STPD0166BTC3 PC Compatible Embedded Microprocessor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STPCC01 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:PC Compatible Embeded Microprocessor
STPCC0110BTC3 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:PC Compatible Embeded Microprocessor
STPCC0112BTC3 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:32-Bit Microprocessor
STPCC0166BTC3 制造商:STMicroelectronics 功能描述:PC compatible embeded microprocessor, core frequency 66 MHz
STPCC0166BTI3 制造商:STMicroelectronics 功能描述:CONS 66 MHZ INDUSTRIAL TEMP - Bulk