MZ-B10 
Ver 1.2 2003.09
6-9.  IC Pin Function Description
• IC801 
| Pin No. | Pin Name | I/O | 
 | Description | 
| 
 | 
 | 
 | 
 | |
| 1 | OSCI | I | Resonator connection terminal for the system clock (22.5792MHz) | |
| 
 | 
 | 
 | 
 | |
| 2 | OSCO | O | Resonator connection terminal for the system clock (22.5792MHz) | |
| 
 | 
 | 
 | 
 | |
| 3 | VREFL | O | Reference voltage terminal connected to the capacitor (for the  | |
| 
 | 
 | 
 | 
 | |
| 4 | AOUTL | O | ||
| 
 | 
 | 
 | 
 | |
| 5 | AOUTR | O | ||
| 
 | 
 | 
 | 
 | |
| 6 | VREFR | O | Reference voltage terminal connected to the capacitor (for the  | |
| 
 | 
 | 
 | 
 | |
| 7 | ASYO | O | Playback EFM duplex signal output | |
| 
 | 
 | 
 | 
 | |
| 8 | ASYI | I | Playback EFM comparator slice level input | |
| 
 | 
 | 
 | 
 | |
| 9 | BIAS | I | Bias current input terminal for the playback EFM comparator | |
| 
 | 
 | 
 | 
 | |
| 10 | RFI | I | Playback EFM RF signal input from the RF amplifier | |
| 
 | 
 | 
 | 
 | |
| 11 | PCO | O | Phase comparison output terminal for the playback EFM system master PLL | |
| 
 | 
 | 
 | 
 | |
| 12 | FILI | I | Filter input terminal for the playback EFM system master PLL | |
| 
 | 
 | 
 | 
 | |
| 13 | FILO | O | Filter output terminal for the playback EFM system master PLL | |
| 
 | 
 | 
 | 
 | |
| 14 | CLTV | I | Internal VCO control voltage input terminal for the playback EFM system master PLL | |
| 
 | 
 | 
 | 
 | |
| 15 | PEAK | I | Peak hold signal input of the light amount signal (RF/ABCD) from the RF amplifier | |
| 
 | 
 | 
 | 
 | |
| 16 | BOTM | I | Bottom hold signal input of the light amount signal (RF/ABCD) from the RF amplifier | |
| 
 | 
 | 
 | 
 | |
| 17 | ABCD | I | Light amount signal (ABCD) input from the RF amplifier | |
| 
 | 
 | 
 | 
 | |
| 18 | FE | I | Focus error signal input from the RF amplifier | |
| 
 | 
 | 
 | 
 | |
| 19 | VC | I | Middle point voltage input from the RF amplifier | |
| 
 | 
 | 
 | 
 | |
| 20 | ADIO | O | Monitor output terminal of A/D converter input signal Not used (open) | |
| 
 | 
 | 
 | 
 | |
| 21 | ADRB | I | The lower limit voltage of A/D converter input terminal (connected to the ground) | |
| 
 | 
 | 
 | 
 | |
| 22 | SE | I | Sled error signal input from the RF amplifier | |
| 
 | 
 | 
 | 
 | |
| 23 | TE | I | Tracking error signal input from the RF amplifier | |
| 
 | 
 | 
 | 
 | 
 | 
| 24 | AUX1 | I | Auxiliary A/D input (fixed at | “H” in this set) | 
| 
 | 
 | 
 | 
 | |
| 25 | ADRT | I | The upper limit voltage of A/D converter input terminal (fixed at “H” in this set) | |
| 
 | 
 | 
 | 
 | |
| 26 | DCHG | I | Connecting terminal with the analog power supply of low impedance (fixed at “H” in this set) | |
| 
 | 
 | 
 | 
 | |
| 27 | APC | I | Error signal input for the laser automatic power control (fixed at “H” in this set) | |
| 
 | 
 | 
 | 
 | |
| 28 | ADFG | I | ADIP duplex FM signal (22.05±1kHz) input from the RF amplifier | |
| 
 | 
 | 
 | 
 | |
| 29 | APCREF | O | Reference PWM signal output for the laser automatic power control to the RF amplifier | |
| 
 | 
 | 
 | 
 | |
| 30 | TRDR | O | Tracking servo drive PWM signal output  | |
| 
 | 
 | 
 | 
 | |
| 31 | TFDR | O | Tracking servo drive PWM signal output (+) to the coil driver | |
| 
 | 
 | 
 | 
 | |
| 32 | FFDR | O | Focus servo drive PWM signal output (+) to the coil driver | |
| 
 | 
 | 
 | 
 | |
| 33 | FRDR | O | Focus servo drive PWM signal output  | |
| 
 | 
 | 
 | 
 | 
 | 
| 34 | FS4 | O | 176.4kHz clock signal output | 
 | 
| 
 | 
 | 
 | 
 | |
| 35 | SFDR | O | Sled servo drive PWM signal output to the motor driver | |
| 
 | 
 | 
 | 
 | |
| 36 | SPRD | O | Spindle motor drive control signal output (U) to the motor driver | |
| 
 | 
 | 
 | 
 | |
| 37 | SPFD | O | Spindle servo drive PWM signal output to the motor driver | |
| 
 | 
 | 
 | 
 | |
| 38 | SPDV | O | Spindle motor drive control signal output (V) to the motor driver | |
| 
 | 
 | 
 | 
 | |
| 39 | SPDW | O | Spindle motor drive control signal output (W) to the motor driver | |
| 
 | 
 | 
 | 
 | |
| 40 | SPCU | I | Spindle motor drive comparison signal input (U) from the motor driver | |
| 
 | 
 | 
 | 
 | |
| 41 | SPCV | I | Spindle motor drive comparison signal input (V) from the motor driver | |
| 
 | 
 | 
 | 
 | |
| 42 | SPCW | I | Spindle motor drive comparison signal input (W) from the motor driver | |
| 
 | 
 | 
 | 
 | |
| 43 | SLDV | O | Sled motor drive control signal output (V) to the motor driver | |
| 
 | 
 | 
 | 
 | |
| 44 | SLDW | O | Sled motor drive control signal output (W) to the motor driver | |
| 
 | 
 | 
 | 
 | |
| 45 | SLCU | I | Sled motor drive comparison signal input (U) from the motor driver | |
| 
 | 
 | 
 | 
 | |
| 46 | SLCV | I | Sled motor drive comparison signal input (V) from the motor driver | |
| 
 | 
 | 
 | 
 | |
| 47 | SLCW | I | Sled motor drive comparison signal input (W) from the motor driver | |
| 
 | 
 | 
 | 
 | |
| 48 | SRDR | O | Sled motor drive control signal output (U) to the motor driver | |
| 
 | 
 | 
 | 
 | 
 | 
| 49 | DIN | I | Digital audio signal input | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
| 50 | DADT | O | Audio data output terminal | Not used (open) | 
| 
 | 
 | 
 | 
 | 
 | 
47