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參數(shù)資料
| 型號： | STPCI2HDYI |
| 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)： | 100/109頁 |
| 文件大?。?/td> | 2430K |
| 代理商： | STPCI2HDYI |
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STPC ATLAS
90/109
Issue 1.1 - March 23, 2004
6.3.13. JTAG INTERFACE
The STPC integrates a JTAG interface for scan-
chain and on-board testing. The only external
device needed are the pull up resistors. Figure 6-
19 describes a typical implementation using these
devices.
6.4. PLACE AND ROUTE
RECOMMENDATIONS
6.4.1. GENERAL RECOMMENDATIONS
Some STPC Interfaces run at high speed and
need to be carefully routed or even shielded like:
1) Memory Interface
2) PCI bus
3) Graphics and video interfaces
4) 14 MHz oscillator stage
All clock signals have to be routed first and
shielded for speeds of 27MHz or higher. The high
speed signals follow the same constraints, as for
the memory and PCI control signals.
The next interfaces to be routed are Memory, PCI,
and Video/graphics.
All the analog noise-sensitive signals have to be
routed in a separate area and hence can be
routed indepedently.
6.4.2. PLL DEFINITION AND IMPLIMENTATION
PLLs are analog cells which supply the internal
STPC Clocks. To get the cleanest clock, the jitter
on the power supply must be reduced as much as
possible. This will result in a more stable system.
Each of the integrated PLL has a dedicated power
pin so a single power plane for all of these PLLs,
or one wire for each, or any solution in between
which help the layout of the board can be used.
Figure 6-19. Typical JTAG implementation
STPC
TCLK
TDO
3V3
Connector
9
10
1
2
6
7
3
4
8
5
TMS
TDI
TRST
3V3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STPCI2HEYC | 功能描述:微處理器 - MPU 133MHz x86 SoC RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| STPCI2HEYI | 功能描述:微處理器 - MPU 133MHz x86 SoC RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| 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 |
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