I-jet LED 상태 인디케이터
소개
본 기술 노트는 I-jet에서 LED 상태 인디케이터(indicator)에 대해서 다룹니다.
I-jet User Guide for Advanced RISC Machines Ltd's ARM Cores 에서 발췌
Part number I-jet-1
USB
Indicator status Off Green steady Green blinking Red blinking Red steady
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Description No USB power. Initial state or no transfer. USB transfers to or from I-jet. USB enumeration. USB did not enumerate or broken hardware.
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JTAG
Indicator status Off Green Green blinking
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Description vTRef on JTAG header is too low. vTRef is at or above 1.8 V. Indicates JTAG/SWD communication activity.
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TPWR (TARGET POWER)
Indicator status Off Green Yellow Red
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Description Power to target is not provided by I-jet. Power to target is provided by I-jet. Warning. Power to target is above 420 mA. Error. Overcurrent limit (520 mA) detected and power to target was switched off for protection.
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모든 제품 이름은 해당 소유자의 상표 또는 등록 상표입니다.