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MIC3003GML 数据表(PDF) 48 Page - Micrel Semiconductor |
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MIC3003GML 数据表(HTML) 48 Page - Micrel Semiconductor |
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48 / 75 page  Micrel, Inc. MIC3003 November 2009 48 M9999-111209-C hbwhelp@micrel.com or (408) 955-1690 Received Optical Power D[7] read-only D[6] read-only D[5] read-only D[4] read-only D[3] read-only D[2] read-only D[1] read-only D[0] read-only Default Value 0000 0000b = 00h (0mW)(6) Serial address A2h Byte address MS byte (RXOPh): 104 = 68h LS byte (RXOPl): 105 = 69h Each LSB of RXOPh represents 25.6 μW, and each LS bit of RXOPl represents 0.1 μW.RXOPh is used in conjunction with RXOPl to yield an unsigned sixteen-bit value. In external calibration mode, the host should process the results using the appropriate slope and offset coefficients. RXOPh contains the twelve-bit ADC result and the lower four bits of RXOPl are zero. In internal calibration mode, the MIC3003’s ALU applies the coefficients stored in (RXSLP[0-7]h:RXSLP[0-7]l) and (RXOFF[0-7]h:RXOFFl[0-7]). The RXOP registers will contain valid data after one ADC conversion cycle. Control and Status (CNTRL) D[7] TXDIS read-only D[6] STXDIS read/write D[5] RS1S read-only D[4] RS0S read-only D[3] SRS0 read/write D[2] TXFLT read-only D[1] LOS read-only D[0] POR read-only Default value 0000 0000b = 00h Serial address A2h Byte address 110 = 6Eh Bit(s) Function Operation D[7] TXDIS Reflects the state of the TXDISABLE pin 1 = disabled, 0 = enabled D[6] STXDIS Soft transmit disable STXDIS is Ored with TXDIS to control the laser which will be turned off if one of these two signals is set to 1 1 = disabled 0 = enabled D[5] RS1S Reflects the state of RS1 (pin 9) 1 = RS1 is high (>4.25 Gbps); 0 = RS1 is low (≤4.25 Gbps) D[4] RS0S Reflects the state of RS0 (pin 15) 1 = RS0 is high (>4.25 Gbps) 0 = RS0 is low (≤4.25 Gbps) D[3] SRS0 Soft rate select (sets the state of the RS0 pin) 1 = Set RS0 high 0 = Set RS0 low D[2] TXFLT Reflects the state of the TXFAULT pin 1 = TXFAULT is high (fault) 0 = TXFAULT low (no fault) D[1] LOS Loss Of Signal. Reflects the state of the RXLOS pin 1 = RXLOS is high (loss of signal) 0 = RXLOS is low (no loss of signal) D[0] POR MIC3003 power-on status 0 = POR complete, all analog data results have been converted at least once 1 = POR and first ADC sample cycle in progress |
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