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MIC3003GML 数据表(PDF) 50 Page - Micrel Semiconductor |
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MIC3003GML 数据表(HTML) 50 Page - Micrel Semiconductor |
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50 / 75 page ![]() Micrel, Inc. MIC3003 November 2009 50 M9999-111209-C hbwhelp@micrel.com or (408) 955-1690 Alarm Flags Alarm Status Register 0 (ALARM0) D[7] A7 read-only D[6] A6 read-only D[5] A5 read-only D[4] A4 read-only D[3] A3 read-only D[2] A2 read-only D[1] A1 read-only D[0] A0 read-only Default value 0000 0000b = 00h (no events pending) Serial address A2h Byte address 112 = 70h The power-up default value is 00h. Following the first complete A/D conversion cycle, however, any of the bits may be set depending upon the results. Bit(s) Function Operation D[7] A7 High temperature alarm, TEMP > TMAX 1 = condition exists, 0 = normal/OK D[6] A6 Low temperature alarm, TEMP < TMIN 1 = condition exists, 0 = normal/OK D[5] A5 High voltage alarm, VIN > VMAX 1 = condition exists, 0 = normal/OK D[4] A4 Low voltage alarm, VIN < VMIN 1 = condition exists, 0 = normal/OK D[3] A3 High laser diode bias alarm, IBIAS > IMAX 1 = condition exists, 0 = normal/OK D[2] A2 Low laser diode bias alarm, IBIAS < IMIN 1 = condition exists, 0 = normal/OK D[1] A1 High transmit optical power alarm, TXOP > TXMAX 1 = condition exists, 0 = normal/OK D[0] A0 Low transmit optical power alarm, TXOP < TXMIN 1 = condition exists, 0 = normal/OK Alarm Status Register 1 (ALARM1) D[7] A15 read-only D[6] A14 read-only D[5] reserved D[4] reserved D[3] reserved D[2] reserved D[1] reserved D[0] reserved Default value 0000 0000b = 00h (no events pending) Serial address A2h Byte address 113 = 71h The power-up default value is 00h. Following the first complete A/D conversion cycle, however, either of the bits may be set depending upon the results. Bit(s) Function Operation D[7] A15 High received power (overload) alarm, RXOP > RXMAX 1 = condition exists, 0 = normal/OK D[6] A14 Low received power (LOS) alarm, RXOP < RXMIN 1 = condition exists, 0 = normal/OK D[5:0] Reserved Reserved, returns zero on reads |
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