For additional information, see the MPC5200B User’s Manual (MPC5200BUM). 1.3.4.1 Reset C" />
參數(shù)資料
型號(hào)： CWMPCEVB5200BE
廠商： Freescale Semiconductor
文件頁數(shù)： 7/72頁
文件大?。?/td> 0K
描述： BOARD MPC5200B W/256MB
標(biāo)準(zhǔn)包裝： 1
類型： MPU
適用于相關(guān)產(chǎn)品： MPC5200B
所含物品： 板
MPC5200B Data Sheet, Rev. 4
Freescale Semiconductor
15
For additional information, see the MPC5200B User’s Manual (MPC5200BUM).
1.3.4.1
Reset Configuration Word
During reset (HRESET and PORRESET) the Reset Configuration Word is latched in the related Reset Configuration Word
Register with each rising edge of the SYS_XTAL signal. If both resets (HRESET and PORRESET) are inactive (high), the
contents of this register are locked immediately with the SYS_XTAL clock (see Figure 3).
Figure 3. Reset Configuration Word Locking
NOTE
Beware of changing the values on the pins of the reset configuration word after the
deassertion of PORRESET. This may cause problems because it may change the internal
clock ratios and so extend the PLL locking process.
1.3.5
External Interrupts
The MPC5200B provides three different kinds of external interrupts:
Four IRQ interrupts
Eight GPIO interrupts with simple interrupt capability (not available in power-down mode)
Eight WakeUp interrupts (special GPIO pins)
The propagation of these three kinds of interrupts to the core is shown in the following graphic:
sample
sample sample
sample
LOCK
RST_CFG_WRD
HRESET
PORRESET
SYS_XTAL
4096 clocks
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CWMPCEVB5200BE 制造商:Freescale Semiconductor 功能描述:MPC5200B BOARD W/ 256MB
CWMPH1 功能描述:電線導(dǎo)管 In-Cabinet Horizontal Cable Manager Fron RoHS:否 制造商:Panduit 類型:Slotted SideWall Open finger design wiring cut 材料:Polypropylene 顏色:Light Gray 大小: 最大光束直徑: 抗拉強(qiáng)度: 外部導(dǎo)管寬度:25 mm 外部導(dǎo)管高度:25 mm
CWMPH1Y 制造商:Panduit Corp 功能描述:PANDUIT
CWMPHF1 功能描述:電線導(dǎo)管 In-Cabinet Horizontal Cable Manager Fron RoHS:否 制造商:Panduit 類型:Slotted SideWall Open finger design wiring cut 材料:Polypropylene 顏色:Light Gray 大小: 最大光束直徑: 抗拉強(qiáng)度: 外部導(dǎo)管寬度:25 mm 外部導(dǎo)管高度:25 mm
CWMPV2318 功能描述:電線導(dǎo)管 In-Cabinet Vertical Cable Manager 18 RU RoHS:否 制造商:Panduit 類型:Slotted SideWall Open finger design wiring cut 材料:Polypropylene 顏色:Light Gray 大小: 最大光束直徑: 抗拉強(qiáng)度: 外部導(dǎo)管寬度:25 mm 外部導(dǎo)管高度:25 mm
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