Interface Control Pin Function (Mb-75 Board Ic021) - Sony dvp-s3000 Service Manual

5-1. INTERFACE CONTROL PIN FUNCTION (IC021 on MB-80 Board (1/12))
Pin No. Pin Name I/O
1,2 CL1, 0 I Input of sub clock (32kHz)
3,4 GND – Ground
5,6 X0–1 I Input of main clock (8MHz)
7 GND – Ground
8 RST I Input of RESET signal
9 RESET O SRESET (SYSCON)
10 INTMS O XINTM S (SYSCON)
11 AUDIO MUTE O SAUDIO MUTE (L)
12 IFDIAG I DIAG (H)
13 NITSC O NTSC (H) /PAL (L)
14,15 N.C. – Not used
16 FLCS O XFLCS (FL)
17 REF V I XREF-V (VSYNC)
18 INTSM I XINTSM (SYSCON)
19-24 N.C. – Not used
25 POWER CONT O POWER-CONT (H)
26 DATA BOUND O DATA-BOUND
27 N.C. – Not used
28 CMOD I CMOD
29 P.FAIL O Power fail
30 CGSO O CGSO (FL & OSDC)
31 CGCLK O CGCLK (FL & OSDC)
32 WSIRCS I WSIRCS
33 CGCS O CGCS (OSDC)
34 V MUTE O Video mute
35 STATUS O STATUS (H)
36 N.C. – TSEL (OSDC) Not used
37 STATUS O FSEL (OSDC)
38 N.C. – TRE (OSDC) Not used
39-48 N.C. – Not used
49 VCC – Power supply
50-57 N.C. – Not used
58 GND – Ground
Function Pin No. Pin Name I/O
59-66 N.C. – Not used
67 VCC – Power supply
68-75 N.C. – Not used
76 CS I CS (SYSCON)
77 SI I SI (SYSCON)
78 SO O SO (SYSCON)
79 CLK I CLK (SYSCON)
80-82 N.C. – Not used
83 GND – Ground
84-87 AD0–3 I Analog input
88 TEST 1 I Input of TEST 1 signal
89 TEST 2 I Input of TEST 2 signal
90 N.C. – Not used
91 N.C. – Not used
92 VCC – Power supply
93 POWER-FAIL I Input of POWER-FAIL (AD INPUT)
94 N.C. – Not used
95 CGRA 16 I CGRA16 Character generator font ROM address 16
96 CGRA 17 I CGRA17 Character generator font ROM address 17
97 CGRA 18 I CGRA18 Character generator font ROM address 18
98 N.C. – Not used
99 N.C. – Not used
100 VCC – Power supply
Function