8CKDC-395/395A/495MICROCOMPUTER’S TERMINAL DESCRIPTIONPin No. Active Pin Name I/O Application Processing Operation(H/L)42 8EJE SW -43 12EJE/SDET SW -44 LOE/LIM SW ILoading-end detection / H : Loading-end detectionPick-up inner circumference detection. L : Pick-up inner circumference detection45~49 NC - No connection.50 DVDD2 - Power supply for digital circuit.51 X1 I Main clock input.52 X2 O Main clock output.53 DVSS2 - GND for digital circuit.54 XSUB1 -55 NC - No connection.56 TEST1 - Test terminal. Normal condition : “H” fixed57 TEST2 - Test terminal. Normal condition : “H” fixed58,59 NC - No connection.60 DRV MUTE O Driver mute control. L : Mute ON, H : Mute OFF61 L MUTE L O Audio Lch mute output.62 L MUTE R O Audio Rch mute output.63 L RST I LSI reset input.64 OCD CLK -65 L MSTOP I Standby detection.66 DATA I/O I2C bus data line (Communication line to system μ-com). During serial writer is connected.67 SBIO I Data input. During serial writer is connected.68 L CLK I/O I2C bus clock line (Communication line to system μ-com). During serial writer is connected.69 TX O Digital audio interface signal output.70 NC - No connection.71 XSEL -72 MCNT I Loading control / Eject control. L : OFF (Host control), H : Mecha μ-com control73 P. ON O Audio & Servo power supply control. L : Power supply ON. H : Power supply OFF74,75 NC - No connection.76 CD-RW O CD-RW control. H : CD-RW, L : Normal disc77 NC - No connection.78 DVDD3 - Power supply for digital circuit.79 FOD O Focusing drive output (PWM output).80 TRD O Tracking drive output (PWM output).www . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299