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LED1642GWXTTR 데이터시트(PDF) 29 Page - STMicroelectronics |
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LED1642GWXTTR 데이터시트(HTML) 29 Page - STMicroelectronics |
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29 / 42 page ![]() DocID024395 Rev 6 29/42 LED1642GW Thermal flag 42 9 Thermal flag The device has a thermal control logic providing a flag status when the internal temperature exceeds 150 °C (if temperature increases over 170 °C a thermal shutdown protects the device). This status can be read running the digital key "thermal error reading", holding the LE high for 13 CLK rising edges (see Figure 25). If thermal alert is asserted, a 16-bit string = "1" is sent by SDO. The error data is uploaded into EDR register and this error notification is ready to be streamed through SDO to next 16 CLK rising edges. Hence, thermal flag status can be: Figure 25. Thermal flag status Device temperature SDO under 150 °C “0000 0000 0000 0000” over 150 °C “1111 1111 1111 1111” Thermal Flag Status Previous data 13 Clock pulses with LE asserted AM13706V1 |
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