6
Pin Pin name I/O Description / Processing Operation
60 MODE3 I Cassette mechanism positioning mode pluse input. FF/REW/FWD/REV detection
61 AVSS - GND for A/D.
62 SC_CON O Panel microcomputer operation control output.
63 SC_BUSY I Panel BUSY input.
64 AVREF1 - D/A reference voltage input.
65 CH_DATAC I Data input from changer.
66 CH_DATAH O Data output to changer.
67 CH_CLK I/O Clock output to changer.
68 SC_DATA I Data input from Panel microcomputer.
69 MC_DATA O Data output to Panel microcomputer.
70 MC_CLK O Clock output to Panel microcomputer.
71 MC_REQ O Communication request output to Panel microcomputer.
72 NC O Not used (N.C.)
73 PLL_CE O PLL IC chip enable control.
74 PLL_DATA O Data output to PLL IC.
75 PLL_CLK O Clock output to PLL IC.
76 DSI O Security LED control. “L”: Indicator light on, ACC off : 100ms light on (cycle is 2s), ALL off : Light off,
During operation : Light on
77 NC O Not used (N.C.)
78 SUB_P O Cassette mechanism sub-motor control.
79 SUB_M O Cassette mechanism sub-motor control.
80 NC O Not used.
81 R_DATA I RDS DATA.
82 QUAL I RDS quality (Receiving mode).
83 MTL_OUT O Cassette mechanism output invert data, when metal detection. “H”: Metal, “L”: Normal
84 MUSIC I Cassette mechanism between-music detection. “H”: Between-music, “L”: Music
85 MSGV O When Cassette mechanism select music, gain switching. “H”: Normal, “L”: FF/REW/DPSS
86 F/R O Cassette mechanism F/R switching. “L”: FWD/Initial mode, “H”: REV
87 METAL I Cassette mechanism metal detection. “H”: Normal, “L”: Metal
88 DOLBY O Cassette mechanism Dolby switching. “H”: On, “L”: Off/Initial mode
89 EQ_MUTE O Cassette mechanism EQ mute. “L”: Play, “H”: FF/REW/DPSS
90 MODE2 I Cassette mechanism positioning mode pulse input. FF/REW/FWD/REV detection
91 MODE1 I Cassette mechanism positioning mode pulse input. FF/REW/FWD/REV detection
92 AFC O AFC REQUEST output. Noise detection output time constant switching (FM),
“L”: FM and AM seek, “H”: Normal receiving
93 IF_MODE I K2I IF detection. “H”: WIDE, “L”: NARROW
94 WIDE O K2I enforced WIDE.
95 NARROW I/O K2I enforced NARROW.
96 FM_SD I FM SD input. “H”: Station detected, “L”: Station not detected
97 SDA_IC2 I/O Electronic volume data input/output.
98 SCK_IC2 O Electronic volume clock output.
99 A_SEL O AUDIO selection. CD/TAPE switching. “L”: CD, “H”:TAPE
100 VSS - Connected to GND.
MICROCOMPUTER’STERMINAL DESCRIPTION
GX-401EF2
