Samsung SC-148B Service Manual page 11

PIN DESCRIPTIONS
NO SYMBOL DESCRIPTIONS
1 MA4 MICOM ADDRESS INPUT
2 MA5 MICOM ADDRESS INPUT
3 MA6 MICOM ADDRESS INPUT
4 MRD MICOM READ SIGNAL INPUT
5 MWR MICOM WRITE SIGNAL INPUT
6 MCE CHIP ENABLE SIGNAL INPUT
7 MINT INTERRUPT REQUEST OUTPUT
8 TESTOUT TEST OUTPUT
9 RST RESET TERMINAL
10 VDD POWER SOURCE TERMINAL
11 HD7 HOST DATA INPUT
12 HD8 HOST DATA INPUT
13 HD6 HOST DATA INPUT
14 HD9 HOST DATA INPUT
15 VSS GROUND TERMINAL
16 HD5 HOST DATA INPUT
17 HD10 HOST DATA INPUT
18 HD4 HOST DATA INPUT
19 HD11 HOST DATA INPUT
20 VSS GROUND TERMINAL
21 HD3 HOST DATA INPUT
22 HD12 HOST DATA INPUT
23 HD2 HOST DATA INPUT
24 HD13 HOST DATA INPUT
25 VSS GROUND TERMINAL
26 HD1 HOST DATA INPUT
27 HD14 HOST DATA INPUT
28 HD0 HOST DATA INPUT
29 HD15 HOST DATA INPUT
30 VSS GROUND TERMINAL
31 HDRQ DATA REQUEST TERMINAL
32 HWR HOST WRITE SIGNAL INPUT
33 HRD HOST READ SIGNAL INPUT
34 IORDY IO TRANSFER READY OUTPUT
35 VSS GROUND TERMINAL
36 CSEL CABLE SELECT INPUT
37 HDAK DATA ACKNOWLEDGE INPUT
38 INTRQ INTERRUPT SIGNAL OUTPUT
39 IOCS16 DATA BIT WIDE SELECT OUTPUT
40 VSS GROUND TERMINAL
41 HA1 HOST ADDRESS 1 INPUT
42 PDIAG POST DIAGNOSTIC I/O
43 HA0 HOST ADDRESS 0 INPUT
44 HA2 HOST ADDRESS 2 INPUT
45 HCS1 CHIP SELECT 1 INPUT
46 HCS3 CHIP SELECT 3 INPUT
47 VSS GROUND TERMINAL
48 DASP DRIVE ACTIVE OUTPUT
49 ADA DATA OUTPUT FOR DAC ON FAST PLAY
50 ABCK BCK OUTPUT FOR DAC ON FAST PLAY
NO SYMBOL DESCRIPTIONS
51 VDD POWER SOURCE TERMINAL
52 VDD POWER SOURCE TERMINAL
53 VSS GROUND TERMINAL
54 TEST0 TEST TERMINAL
55 TEST1 TEST TERMINAL
56 TB2 TEST TERMINAL
57 TB3 TEST TERMINAL
58 TB4 TEST TERMINAL
59 TB5 TEST TERMINAL
60 TB6 TEST TERMINAL
61 TB7 TEST TERMINAL
62 TB8 TEST TERMINAL
63 VPB GROUND TERMINAL (DRAM AREA)
64 TB9 TEST TERMINAL
65 TB10 TEST TERMINAL
66 TB11 TEST TERMINAL
67 TB12 TEST TERMINAL
68 TB13 TEST TERMINAL
69 TB14 TEST TERMINAL
70 TEST2 TEST TERMINAL
71 TEST3 TEST TERMINAL
72 VDDM POWER SOURCE TERMINAL
73 VSSM GROUND TERMINAL
74 ACHCK LRCK OUTPUT FOR DAC ON FAST PLAY
75 AZCK BASE CLOCK INPUT ON FAST PLAY
76 SBSY SUBCODE BLOCK SYNC OUTPUT
77 SFSY SUBCODE DATA SYNC FRAME INPUT
78 SBDI SUBCODE DATA INPUT
79 CLCK SUBCODE DATA CLOCK OUTPUT
80 C2PI DATA CORRECTION FLAG INPUT
81 LRCK CHANNEL CLOCK INPUT
82 DAI DATA SIGNAL INPUT
83 BCKI BIT CLOCK INPUT
84 VSS GROUND TERMINAL
85 XI MASTER CLOCK I/O
86 XO MASTER CLOCK I/O
87 VDD POWER SOURCE TERMINAL
88 MD0 MICOM DATA I/O
89 MD1 MICOM DATA I/O
90 MD2 MICOM DATA I/O
91 MD3 MICOM DATA I/O
92 MD4 MICOM DATA I/O
93 MD5 MICOM DATA I/O
94 MD6 MICOM DATA I/O
95 MD7 MICOM DATA I/O
96 VSS GROUND TERMINAL
97 MA0 MICOM ADDRESS INPUT
98 MA1 MICOM ADDRESS INPUT
99 MA2 MICOM ADDRESS INPUT
100 MA3 MICOM ADDRESS INPUT
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