6
KDC-MP208/MP238/MP238CR/MP239
KDC-MP3039/MP339/MP339S/MP439
Pin No. Pin Name I/O Application
Truth Value
Table Processing Operation Description
43 PON CD O CD mechanism power supply control H: Power ON
44 CD LOEJ I/O CD motor control qRefer to the truth value table
45 CD MOTOR I/O CD motor control qRefer to the truth value table
46 VFD CE O VFD control request
47
CD DRIVEMUTE
O Motor driver mute output
48 CD CCE O CD mechanism chip enable
49 NC - Not used
50 CD MRST O CD mechanism µ-com reset H: Normal, L: Reset
51~53 NC - Not used Output L fixed
54 CD MUTE I CD mute request L: Mute request
55
CD DISC12 SW
I 12cm disc detection Pull-up (B.U.)
56 ROTARY CCW I VOL key input Detects pulse width
57 ROTARY CW I VOL key input Detects pulse width
58~61 NC - Not used Output L fixed
62 VCC2 -
63 NC - Not used Output L fixed
64 VSS -
65 NC - Not used
66 TUN IFC OUT I Front-end IFC-OUT input H: Station found, L: No station
67 PON EXT GND I/O IC2 external input quick charge control
L: OFF, Hi-Z: Quick charge, When IC2 is in source select:
Hi-Z, Mute L: L, Momentary power down/Power OFF: L
68 MUTE I/O Mute L: Mute OFF, Hi-Z: Mute ON
69 ANALOG CON O AUX/LX audio switching AUX: H (Switches after 100ms after first-out mute
begins to work), LX/Other source: L
70 LX RST O Forced reset to slave unit H: Reset, L: Normal
71 LX CON O Start-up request to slave unit H: Slave unit ON, L: Slave unit OFF
72 LX MUTE I Mute request from slave unit H: Mute ON, L: Mute OFF
73 LX REQ M O Communication request to slave unit
74 NC - Not used
75 LX REQ S I Communication request from slave unit Pull-down (GND)
76 PWIC SVR O SVR discharging circuit During 500ms after power OFF and momentary
power down: H, Since then: L
77 PWIC STBY O Power IC standby control Power ON: H, Power OFF: L
78 PWIC MUTE O Power IC mute STANDBY source/Momentary power down: L,
TEL mute: L
79 ACC DET I ACC power supply detection ACC found: L, No ACC: H
80 BU DET I Detection of momentary power down
BU found: L, No BU/Momentary power down: H
(Operates after less than 4ms after momentary power
down is detected)
81~83 NC - Not used Output L fixed
84 TUN SMETER I S-meter input
85 TYPE1 I Destination switching eRefer to the truth value table
MICROCOMPUTER’S TERMINAL DESCRIPTION
