Samsung SC-148B, Руководство по обслуживанию

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NO ORIGIN NAME I/O FUNCTION NO ORIGIN NAME I/O FUNCTION
1 /PM /CE O EXT PROM CHIP ENABLE 41 P1.4 MT1 I PRODUCT TEST PINO
2 /DM /UCS O INTERFACE CHIP SELECT 42 P1.3 MT2 I PRODUCT TEST PIN1
3 /RD7 /URD O INTERFACE CHIP READ 43 P1.2 MT3 I PRODUCT TEST PIN2
4 /WR /UWR O INTERFACE CHIP WRITE 44 P1.2 TRO_SW O TRO CONTROL SWITCH
5 VLD VLD I VOLTAGE LEVEL DETECT 45 P1.0 STEP_P1 O STEP MOTOR ENABLE
6 P5.1/AS N.C. O N.C 46 P0.7/ADC3 0.5Vref O RESET CONTROL
7 P5.0/ N.C. O N.C 47 R0.6/ADC2 FMO I FMO
8 P4.7/CS3 /XCE O DSP CHIP SELECT 48 P0.5/ADC1 /EJECT I EJECT BUTTON
9 P4.6/CS2 /XCM O DSP FIRST COMMAND 49 P0.4/ADC0 /PLAY I N.C
10 P4.5/CS1 /XRD O DSP READ 50 AVREF AVREF I ADC REFERENCE VOLTAGE
11 P4.4/CS0 /XWR I/O DSP WRITE 51 P0.3 SLEEP_SW O SELLP MODE CONTROL
12 VDD1 VDD I VCC 52 VSS2 VSS2 I VSS2
13 VSS1 VSS I GND 53 VDD2 VDD2 I VDD2
14 Xout Xout O CRYSTAL OUTPUT 54 P0.2 EMPHA O AUDIO EMPHASIS CONTROL
15 Xin Xin I CRYSTAL INPUT 55 P0.1 /XRST O OUTPUT DEVICE RESET
16 VPP/EA EA I ADDRESSING MODE SELECT 56 P0.0 LED_BUSY O LED BUSY CONTROL
17 P4.3 BUS3 I/O DSP COMMAND BUS3 57 D0 D0 I EXT PROM DATA0
18 P4.2 BUS2 I/O DSP COMMAND BUS2 58 D1 D1 I EXT PROM DATA1
19 /RESET /RESET I MICOM RESET 59 D2 D2 I EXT PROM DATA2
20 P4.1 BUS1 I/O DSP COMMAND BUS1 60 D3 D3 I EXT PROM DATA3
21 P4.0 BUS0 I/O DSP COMMAND BUS0 61 D4 D4 I EXT PROM DATA4
22 PWM1 PWM1 O PWM CONTROL 62 D5 D5 I EXT PROM DATA5
23 PWM0 PWM0 O PWM CONTROL 63 D6 D6 I EXT PROM DATA6
24 P3.5 CENT O DRIVE IC RESET 64 D7 D7 I EXT PROM DATA7
25 P3.4 CENT O CENTER SERVO CONTROL 65 A0 A0 O EXT PROM ADDRESS 0
26 P3.3 SPM_FG I SPINDLE MOTOR CONTROL 66 A1 A1 O EXT PROM ADDRESS 1
27 P3.2 SPIN_CTL O CPINDLE BRAKE CONTROL 67 A2 A2 O EXT PROM ADDRESS 2
28 P3.1 /OPEN I OPEN LIMIT SWITCH 68 A3 A3 O EXT PROM ADDRESS 3
29 P3.0 /CLOSE I CLOSE LIMIT SWITCH 69 A4 A4 O EXT PROM ADDRESS 4
30 P2.7/INT7 RF_CON O PLL CONTROL 70 A5 A5 O EXT PROM ADDRESS 5
31 P2.6/INT6 N.C. I/O N.C 71 A6 A6 O EXT PROM ADDRESS 6
32 P2.5/INT5 /SCOR I DSP SYNC INTERRUPT 72 A7 A7 O EXT PROM ADDRESS 7
33 P2.4/INT4 TR_OUT O TRAY OPEN CONTROL 73 A8 A8 O EXT PROM ADDRESS 8
34 P2.3/INT3 TR_IN O TRAY CLOSE CONTROL 74 A9 A9 O EXT PROM ADDRESS 9
35 P2.2/INT2 D_INT I ROM DECODER INTERRUPT 75 A10 A10 O EXT PROM ADDRESS 10
36 P2.1/INT1 FLGC I FOCUS O.K. 76 A11 A11 O EXT PROM ADDRESS 11
37 P2.0/INT0 FLGA I TRACKING EPROR ZERO 77 A12 A12 O EXT PROM ADDRESS 12
38 P1.7 MON O SPINDLE MOTOR ON/OFF 78 A13 A13 O EXT PROM ADDRESS 13
39 P1.6 SPM_DIR I N.C 79 A14 A14 O EXT PROM ADDRESS 14
40 P1.5 AMUTE O AUDIO MUTE CONTROL 80 A15 A15 O EXT PROM ADDRESS 15
PIN DESCRIPTIONS