Sharp MD-C2 User Manual

MD-C2
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1* NC Output Input/output port P96
2 SBCK Output Input/output port P95
3 LDVAR Output LDVAR (Laser power output adjustment)
4* ADIS Output ADIS (For automatic adjustment step check)
5 SFSY Output Input/output port P92
6 LOADIN Input LD SW CK input (Only for a single unit: Interrupt input)
7 ERROR Input ERR input (The monitor PLL won't lock.)
8 BYTE Input GND
9 CNVss Input GND
10 STID OUT Output ST-ID output
11 SEACH OUT Output MD search output
12 RESET Input RESET input
13* NC – Clock output
14 Vss – GND
15 MCCK Input EXTAL (8.4672MHz)
16 Vcc – +3.15V
17 P85 Input Input/output port P85
18 DINT Input DINT (Interrupt input from the MD-LSI)
19 DSENSE Input DSENSE (Servo sense input from the MD-LSI)
20 ST-ID Input ST-ID input (MD-ON)
21 SERCH Input CD search input (Synchronized REC interrupt input)
22 MDRSW Output MD RSW output
23* FSW Input FSW1 (SW power frequency switch)
24 CRTRG SW Output Cartridge SW. NOD
25 P-DOWN Input P-DOWN (power failure detection)
26 HD ON Output HDON (Magnetic head current ON/OFF output)
27 LD+ Output LD+ (Loading motor + (positive) control output)
28 LD- Output LD- (Loading motor - (negative) control output)
29 CIN Input CIN (Track count signal input)
30 INNER Input INN SW (Inner SW detection input)
31 DATA Output R-DATA
32 LATCH Output R-LATCH
33 CLOCK Output R-CLK
34 DSTB Output DSTB (System computer communication enable and during communication)
35 MD DATA Output MD DATA (MD data output)
36 K DATA Input K DATA (System computer data input)
37 DSCK Input DSCK (System computer communication clock input)
38 4M/16M Input 4M/16M DRAM select input
39 R/P Output R/P output (REC/PLAY switching) PLAY: H
40 FOK Input FOK (Focus servo state monitor input)
41 PLL SEL Output Input/output port P55
42 S2 Output S2 output
43 S1 Output S1 output
44 SYRS Output SYRS (MD-LSI register select signal output)
45 SYRD Output SYRD (MD-LSI read signal output)
46 SYWR Output SYWR (MD-LSI write signal output)
47 SYS D7 In/Output SYS D7 (Data bus 7)
48 SYS D6 In/Output SYS D6 (Data bus 6)
49 SYS D5 In/Output SYS D5 (Data bus 5)
50 SYS D4 In/Output SYS D4 (Data bus 4)
51 SYS D3 In/Output SYS D3 (Data bus 3)
IC1401 RX-iX0276AWZZ:MD System Microcomputer (iX0276AW) (1/2)
Pin No.
Function
Terminal Name
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

Sharp MD-C2 Specifications

General

Brand	Sharp
Model	MD-C2
Category	Stereo System
Language	English