随笔分类 - NXP ARM
摘要:What is the difference between a Bootrom vs bootloader on ARM systems Bootrom Bootrom (or Boot ROM) is a small piece of mask ROM or write-protected fl
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摘要:Debug and trace functions are integrated into the ARM Cortex-M4.Serial wire debug andtrace functions are supported in addition to a standard JTAG debu...
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摘要:TheSGPIO output pins SGPIO14 and SGPIO15 can trigger a GPDMA requestSGPIO pins SGPIO14 and SGPIO15 can trigger a GPDMA request. To generate therequest...
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摘要:模式匹配所有位串均具有模式匹配功能。该功能可用于检测启动代码等。要使用该功能,则必须用需匹配的模式来对REG_SS 编程(请注意, POS 达到零时 REG_SS 不会与 REG 交换!)MATCH_MODE 位必须设为1。输入数据 REG 现在与已编程的模式 REG_SS 相比较。发现匹配时会提出...
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摘要:Test access port (TAP)JTAG defines a TAP (Test access port).The TAP is a general-purpose port that canprovide access to many test support functions bu...
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摘要:状态可配置的定时器(SCT)前言正在申请专利的状态可配置的定时器(SCT),是一个复杂的,但易于配置的定时器,它提供前所未有的灵活性,使工程师们在未来证明他们的设计,并减少进入市场的时间。在其最简单的配置中,它为设计师提供了更多的定时器或多个高分辨率的脉冲宽度调制器(PWMs),其分辨率CTRL |...
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摘要:LPC4370 ACDHS speedAHB clock BASE_M4_CLK CLK_M4_ADCHS up to 204 MHz. For register interface. ADCHS clock BASE_ADCHS_CLK CLK_ADCHS up to 80MHz For conv...
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摘要:I²C SGPIO ConfigurationSGPIO is a hardware feature of LPC4300 series.There are 16 SGPIO pins called from SGPIO 0 to SGPIO 15.SGPIO is one of the funct...
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摘要:
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摘要:SGPIO inverted clock qualifierHi,With bits 6:5 of SGPIO_MUX_CFG the QUALIFIER_MODE is selected (0x0=enable, 0x1=disable, 0x2=slice, 0x3=pin).With bit ...
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摘要:AN11196: Camera interface design using SGPIO
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