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MIC3003 Datasheet(PDF) 61 Page - Micrel Semiconductor |
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MIC3003 Datasheet(HTML) 61 Page - Micrel Semiconductor |
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61 / 75 page  Micrel, Inc. MIC3003 November 2009 61 M9999-111209-C hbwhelp@micrel.com or (408) 955-1690 Fault Suppression Timer (FLTTMR) Fault Suppression Interval in Increments of 0.5 ms D[7] read/write D[6] read/write D[5] read/write D[4] read/write D[3] read/write D[2] read/write D[1] read/write D[0] read/write Default value 0000 0000b = 00h Serial address A6h Byte address 10 = 0Ah Saturation faults are suppressed for a time, tFLTTMR, following laser turn-on. This avoids nuisance tripping while the APC loop starts up. The length of this interval is (FLTTMR x 0.5 ms), typical. A value of zero will result in no fault suppression. A valid OEM password is required for access to this register. This register is non-volatile and will be maintained through power and reset cycles. Fault Mask (FLTMSK) D[7] OEMIM read/write D[6] POHE read/write D[5] reserved D[4] reserved D[3] SATMSK read/write D[2] TXMSK read/write D[1] IAMSK read/write D[0] DFMSK read/write Default value 0000 0000b = 00h Serial address A6h Byte address 11 = 0Bh A valid OEM password is required for access to this register. This register is non-volatile and will be maintained through power and reset cycles. Bit Function Operation D[7] OEMIM OEM interrupt mask 1 = Interrupts are masked 0 = Interrupts are enabled This bit is similar to the IE (Global Interrupt Enable) bit in the User Control Register. The /INT output can only be asserted if IE is high and OEMIM is low. D[6] POHE OEM Power-on Hour Meter enable 1 = Power-on Hour Meter enabled 0 = Power-on Hour Meter disabled D[5:4] D[5:4] Reserved Always write as zero; reads undefined D[3] SATMSK APC saturation fault mask 1 = masked; 0 = enabled D[2] TXMSK High TX optical power fault mask 1 = masked; 0 = enabled D[1] IAMSK High bias current high fault mask 1 = masked; 0 = enabled D[0] DFMSK Diode fault mask 1 = masked; 0 = enabled |
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