Sharp MD-S301 - Page 40

MD-S301/S301W
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1* P120 SWPUP Output Pull-up output
2 RTP1 SLCNT1 Output Sled motor drive output (UH)
3 RTP2 SLCNT2 Output Sled motor drive output (UL)
4 RTP3 SLCNT3 Output Sled motor drive output (VH)
5 RTP4 SLCNT4 Output Sled motor drive output (VL)
6 RTP5 SLCNT5 Output Sled motor drive output (WH)
7 RTP6 SLCNT6 Output Sled motor drive output (WL)
8 P127 OEM Input Product brand identification input
9 VDD VDD — Positive power
10* X2 X2 — Not used
11 X1 X1 — Main system clock input
12 VSS VSS — Ground potential
13* XT2 XT2 — Not used
14 XT1 XT1 — Subsystem clock input
15 RESET RESET Input Microcomputer hard reset input
16 INTP0 DINT Input System LSI interruption request input
17 P01 SENSE Input System LSI servo senser input
18 P02 FOK Input Focus OK signal input
19 P03 XRST Output System LSI hard reset output
20* P04 P04 Output Not used
21 P05 VLIM Output Volume limiting switch input
22 P06 DCNT Output Mechanism driver enable output
23 AVDD AVDD — A/D converter analog positive power
24 AVREF0 AVREF0 — A/D converter reference voltage input
25 ANI0 PLVINN Input Built-in battery voltage detection input
26 ANI1 PLVDCI Input DC jack voltage detection input
27 ANI2 PLVDRY Input Dry cell voltage detection input
28 ANI3 RKEY Input Remote controller key operation detection input
29 ANI4 HKEY1 Input Main unit key operation detection input
30 P15 RTRG Input Start-up request from composite machine
31 ANI6 TEMP Input Ambient temperature detection input
32 ANI7 CNTRY Input Product destination identification input
33 AVSS AVSS — A/D converter ground potential
34 AN00 LDVAR Output P.U. laser power setting output
35* AN01 MDOUT Output Internal operation mode output
36 AVREF1 AVREF1 — D/A converter references voltage input
37 P70 SYWR Output System LSI write enable output
38 P71 SYRD Output System LSI read enable output
39 P72 SYRS Output System LSI register selection output
40 P20 PMLOG Output Display data output logic selection output
41 SO1 RMDAT Output Remote controller display/composite machine data output
42 P22 RPLAY Input Remote controller PLAY key operation detection output
43 P23 KHOLD Input Main unit key hold switch input
44 P24/BUZ BEEP Output Beep tone pulse output
45*-47* P25-P27 P25-P27 Output Not used
48-55 P80-P87 SYD0-SYD7 Input/Output System LSI parallel data bus
56 P40 PSLINN Output Built-in charger. Power selection output
57 P41 PSLDCI Output DC jack Power selection output
58 P42 PSLDRY Output Dry cell. Power selection output
59* P43 P43 Output Not used
60 P44 LDON output P.U. laser ON/OFF control output
61 P45 OPICGA Output P.U. detection sensitivity selection output
IC401 RH-iX2677AF03 (IX2677AF): System Microcomputer (1/2)
Pin No.
FunctionPort Name Terminal Name
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.