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MIC3003GMLTR 数据表(PDF) 71 Page - Micrel Semiconductor |
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MIC3003GMLTR 数据表(HTML) 71 Page - Micrel Semiconductor |
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71 / 75 page  Micrel, Inc. MIC3003 November 2009 71 M9999-111209-C hbwhelp@micrel.com or (408) 955-1690 OEM Configuration 6 (OEMCFG6) 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 27 = 1Bh This register is non-volatile and will be maintained through power and reset cycles. A valid OEM password is required for access to these registers. Bit(s) Function Operation D[7] A0h space access control 0: A0h space is used according to SFF-8472 1: A0h space does not respond to any access request. SMBus transactions to A0h receive a NACK response. D[6:5] RXPWR Linearization Intervals 00: Temperature-based coefficient selection 01: Programmable delimiters 10: Hard coded delimiters 11: Reserved Options 01 and 10 partition the receive power result range into eight regions, each of which has its own slope and offset coefficients. The delimiters identify the region boundaries within the 12-bit receive power range of results, and may be either hard-coded (10) or programmable (01). Use of hard-coded delimiters frees up exta A6 memory space for scratchpad use. D[4] TXDISABLE debounce enable / disable 0: TXDISABLE is not debounced 1: TXDISABLE is debounced. Glitches less than 5 ms are rejected. Set this bit to 1 if a mechanical switch is used for TXDISABLE. Set to 0 for normal operation to assure compliance to the SFP MSA. D[3] RXLOS Polarity 0: The RXLOS output is low for normal operation and high with a loss of signal condition. 1: The RXLOS output is high for normal operation (signal detected) and low with a loss of signal (no signal detected) condition. D[2] RXLOS/TRSOUT Select 0: RXLOS is selected for output 1: TRRSOUT is selected for output D[1] Temperature resolution 0: Temperature is measured to a resolution of 1 ºC (eight-bit resolution) 1: Temperature is measured to a resolution of 0.5 ºC (nine-bit resolution) D[0] TXFAULT clear mode 0: TXFAULT remains set until TXDISABLE is toggled 1: TXFAULT is in continuous mode and follows the state of the faults In continuous mode, the fault conditions asserting TXFAULT are not registered and turn on and off According to the MIC3003’s operation. |
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