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LC78626E Datenblatt(PDF) 9 Page - Sanyo Semicon Device |
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LC78626E Datenblatt(HTML) 9 Page - Sanyo Semicon Device |
9 / 32 page No. 5692-9/32 LC78626E Description of Pins Pin Pin I/O Function No. Name 1 DEFI I Defect detection signal (DEF) input. When not used, must be connected to 0 V. 2 TAI I Test input. Equipped with internal pull-down resistor. Must be connected to 0V. 3 PDO O External VCO control phase comparator output. 4 VVSS P For the PLL Internal VCO ground. Must be connected to 0 V. 5 ISET AI PDO output current adjustment resistor connection. 6 VVDD P Internal VCO power supply. 7 FR AI VCO frequency range adjustment 8 VSS P Digital system ground. Must be connected to 0 V. 9 TESCLK I Test clock input. Must be connected to VDD. 10 TESA I Test operation mode control input. Must be connected to VDD. 11 TESB I Test operation mode control input. Must be connected to VDD. 12 TESC I Test operation mode control input. Must be connected to VDD. 13 TESGB I Test operation mode control input. Must be connected to VDD. 14 TEST5 I Test input. Equipped with internal pull-down resistor. Must be connected to 0 V. 15 CS I Chip select input. Equipped with internal pull-down resistor. When not controlled, must be connected to 0 V. 16 TEST1 I Test input. Must be connected to 0 V. 17 EFMO O For slice EFM signal output. 18 EFMI I level control. EFM signal input. 19 TEST2 I Test input. Equipped with internal pull-down resistor. Must be connected to 0 V. 20 CLV + O Disk motor control output. Can have a 3-state output depending on the command. 21 CLV – O 22 V/P O Rough servo/phase control automatic switching monitor output. If a high level then rough servo mode. If a low level then phase control mode. 23 HFL I Track detect signal input. Schmidt input. 24 TES I Tracking error signal input. Schmidt input. 25 TOFF O Tracking off output. 26 TGL O Tracking gain switch output. Gain is increased with low level. 27 JP + O Track jump control output. Can be 3-state output depending on the command. 28 JP – O 29 PCK O EFM data playback clock monitor. 4.3218 MHz during phase lock. 30 FSEQ O Sync signal detect output. A high level when the sync signal detected from the EFM signal matches the internally generated sync signal. 31 VDD P Digital system power supply. Reset signal input for initializing only the anti-shock control part (i.e. excluding the DSP part). Resets when this pin is low level, and release the reset when this pin is high level. Tie this pin to the low level (i.e., connected to 0 V) if when using software control on the anti-shock part alone through the anti-shock part only reset disable/release 32 ASRES I(I/O) command ($F4) or the anti-shock only reset enable/inrush command ($F5). Note: This pin is assigned as the least significant bit of the general I/O port however, use as a general I/O pin is disabled. When the port I/O set command ($DB) is executed, the least significant bit is always “0,” and the output driver is not turned ON. 33 CONT2 I/O General I/O pin 2. This controls the commands from the microcontroller. When not used, either set this as an input port and connect to 0 V, or set this as an output port and leave it open. Continued on next page. |
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Ähnliche Beschreibung - LC78626E |
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