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TC9462F Datasheet(PDF) 4 Page - Toshiba Semiconductor |
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TC9462F Datasheet(HTML) 4 Page - Toshiba Semiconductor |
4 / 17 page TC9462F 2001-11-05 4 Pin No. Symbol I/O Functional Description Remarks 29 TMAXS O TMAX detection result output terminal. Selected by command bit (TMPS). 3-state output. (P2VREF, PVREF, VSS) 30 TMAX O TMAX detection result output terminal. Selected by command bit (TMPS). TMAX Detection TMAX Output Longer than fixed freq. “P2VREF” Shorter than fixed freq. “VSS” Within the fixed freq. “HiZ” 3-state output. (P2VREF, HiZ, VSS) 31 LPFN I LPF amplifier inverting input terminal for PLL. Analog input. 32 LPFO O LPF amplifier output terminal for PLL. Analog output. 33 PVREF ¾ PLL reference voltage supply terminal. ¾ 34 VCOREF I VCO center frequency reference level terminal. Normally, keep at “PVREF” level. ¾ 35 VCOF O VCO filter terminal. Analog output. 36 AVSS ¾ Analog GND terminal. ¾ 37 SLCO O Data slice level output terminal. Analog output. 38 RFI I RF signal input terminal. Analog input. (Zin: selected by command) 39 AVDD ¾ Analog power supply voltage terminal. ¾ 40 RFCT I RFRP signal center level input terminal. Analog input. (Zin: 50 kW) 41 RFZI I RFRP zero cross input terminal. Analog input. 42 RFRP I RF ripple signal input terminal. Analog input. 43 FEI I Focus error signal input terminal. Analog input. 44 SBAD I Sub-beam adder signal input terminal. Analog input. 45 TSIN I Test input terminal. Normally, keep at “VREF” level. Analog input. 46 TEI I Tracking error signal input terminal. Take in at tracking servo on. Analog input. 47 TEZI I Tracking error zero cross input terminal. Analog input. (Zin: 10 kW) 48 FOO O Focus servo equalizer output terminal. 49 TRO O Tracking servo equalizer output terminal. Analog output. (2VREF~AVSS) 50 VREF ¾ Analog reference voltage supply terminal. ¾ 51 RFGC O RF amplitude adjustment control signal output terminal. 3-state PWM signal output. (PWM carrier = 88.2 kHz) 52 TEBC O Tracking balance control signal output terminal. 3-state PWM signal output. (PWM carrier = 88.2 kHz) 53 FMO O Feed equalizer output terminal. 3-state PWM signal output. (PWM carrier = 88.2 kHz) 54 FVO O Speed error signal or feed search equalizer output terminal. 3-state PWM signal output. (PWM carrier = 88.2 kHz) 55 DMO O Disc equalizer output terminal. (PWM carrier = 88.2 kHz for DSP, Synchronize to PXO) 3-state output. (2VREF, VREF, VSS) 56 2VREF ¾ Analog double reference voltage supply terminal. ¾ 57 SEL O APC circuit ON/OFF indication signal output terminal. At the laser on time, “HiZ” level at UHS = L and “H” level at UHS = H. ¾ |
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Similar Description - TC9462F_01 |
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