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TC9490FA Fiches technique(PDF) 4 Page - Toshiba Semiconductor |
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TC9490FA Fiches technique(HTML) 4 Page - Toshiba Semiconductor |
4 / 15 page TC9490F/FA 2001-09-03 4 Pin No. Symbol I/O Function Description Remarks 22 AVSS3 ¾ Analog GND pin. ¾ 23 SLCO O AI/F DAC output pin for data slice level generation. Analog output 24 RFI I AI/F RF signal input pin. Zin selectable by command. Analog input 25 AVDD3 ¾ Analog 3.3 V power supply voltage pin. ¾ 26 RFCT I AI/F RFRP signal center level input pin. Analog input: Zin = 33 kW 27 RFZI I AI/F RFRP signal zero-cross input pin. Analog input 28 RFRP I AI/F RF ripple signal input pin. Analog input 29 FEI I AI/F Focus error signal input pin. Analog input 30 SBAD I AI/F Sub-beam adder signal input pin. Analog input 31 TEI I AI/F Tracking error input pin. Inputs when tracking servo is on. Analog input 32 TEZI I AI/F Tracking error signal zero-cross input pin. Analog input: Zin = 10 kW 33 FOO O Focus equalizer output pin. 34 TRO O AI/F Tracking equalizer output pin. Analog output (AVSS3~AVDD3) 35 VREF ¾ Analog reference power supply voltage pin. ¾ 36 RFGC O AI/F RF amplitude adjustment control signal output pin. 37 TEBC O AI/F Tracking balance control signal output pin. 3-state output (PWM carrier = 88.2 kHz) (AVDD3, VREF, AVSS3) 38 SEL O AI/F APC circuit ON/OFF signal output pin. At laser on, high impedance with UHS = “L”, H output with UHS = “H”. 3-state output 39 AVDD3 ¾ Analog 3.3 V power supply voltage pin. ¾ 40 FMO O AI/F Feed equalizer output pin. 41 DMO O AI/F Disc equalizer output pin. 3-state output (PWM carrier = 88.2 kHz) (AVDD3, VREF, AVSS3) 42 VSS3 ¾ Digital GND pin. ¾ 43 VDD3 ¾ Digital 3.3 V power supply voltage pin. ¾ 44 TESIN I 3I/F Test input pin. Normally, fixed to “L”. ¾ 45 XVSS3 ¾ System clock oscillator GND pin. ¾ 46 XI I AI/F System clock oscillator input pin. ¾ 47 XO O AI/F System clock oscillator output pin. ¾ 48 XVDD3 ¾ System clock oscillator 3.3 V power supply voltage pin. ¾ 49 DVSS3 ¾ DA converter GND pin. ¾ 50 RO O AI/F R-channel data forward output pin. ¾ 51 DVDD3 ¾ DA converter 3.3 V power supply pin. ¾ 52 DVR ¾ Reference voltage pin. ¾ 53 LO O AI/F L-channel data forward output pin. ¾ |
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