6
MICROCOMPUTER’S TERMINAL DESCRIPTION
(X14-)IC1:System µ-com
Pin
Pin Name
I/O
Description
Processing Operation
61
SEL1
I
IC2III noise cancellation selection
62
Vec
-
Power input
63
NC
O
Not in use
L: Fixed
64
Vss
-
Power input
65
SEL2
I
IC2III noise cancellation selection
66
SEL3
I
Location switching
H: M, L: J
67
NC
O
Not in use.
L: Fixed.
68
PACK_DET
I
PACK detection SW
L: PACK
69
TA_MODE1
I
Cassette MODE1 detection SW
70
TA_MODE2
I
Cassette MODE2 detection SW
71
TA_MODE3
I
Cassette MODE3 detection SW
72
TA_SMOTOR1
O
Cassette sub motor control 1
73
TA_SMOTOR2
O
Cassette sub motor control 2
74
TA_MOTOR
O
Cassette main motor control
H: On
75
NC
O
Not in use.
L: Fixed.
76
PLL CLK
O
PLL clock ouput
77
PLL DATA
I/O
PLL data input/output
78
PLL_CE
O
PLL selection
79
FMSD
I
FM station detection
H: Station
80
PLL_REQ
O
PLL seek selection
L: In seek
81
FM+B
O
FM Power
H: FM
82
AM+B
O
AM Power
L: AM
83
PMUTE
O
Power IC MUTE control
H: MUTE on
84
ILLUMI
I
Illumination detecton
L: Dimmer on
85
LINE_MUTE
I
External MUTE request
L: Line MUTE on
86
PCON_IN
I
External amp peak current control
H: Protection on
O
Not in use.
L: Fixed.
O
Power IC control
H: On
O
Power IC control
L: In test mode
O
Power IC standby
H: On
I
Reel pulse (FWD) detection SW
Vth: 2.5V
I
Reel pulse (RWD) detection SW
Vth: 2.5V
I
Tape detection
H: Tape (A/D input)
I
CD detection sensor input
H: CD (AD input)
I
Panel position sensor input
(AD input)
96
Avss
I
Analog power input
97
FSD OUT
I
S-meter input
H: Station (AD input)
98
Vref
-
A-D reference voltage input
99
Avcc
I
Analog power input
100
DSP_XLAT
O
DSP write request
DPX-6020
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