6
KDC-MP202/MP333
KDC-MP333RC/MP433
Pin No.
Pin Name
I/O
Application
Truth Value
Processing / Operation / Description
Table
60
TUN FANC OUT
O
TUNER block (in
µ
-com) check
Only when test mode, E2P OK: H, E2P NG: L, Normal: L
61
PON FM
I/O
FM power supply control
H: When FM is active, Hi-z: When FM is not active
62
VCC2
-
63
NC
-
Not used
Fix to output L
64
VSS
-
65
MUTE
I/O
MUTE
L: MUTE OFF, Hi-z: MUTE ON
66
PWIC SVR
O
SVR discharge circuit (Not used)
When momentary power down by POWER OFF,
5 seconds : H, Thereafter: L
67
PWIC STBY
O
Power IC stand-by control
POWER ON: H, POWER OFF: L
68
PWIC MUTE
O
Power IC MUTE
While STANDBY source,
Momentary power down: L , While TEL MUTE: L
69~74
NC
-
Not used
Fix to output L
75
RDS CLK
I
RDS decoder CLK input (RDS model only)
76
TUN TYPE1
I
Destination setting 1
e
Refer to the truth value table
77
TUN TYPE2
I
Destination setting 2
e
Refer to the truth value table
78
TYPE1
I
Destination change
r
Refer to the truth value table
79
TYPE2
I
Destination change
r
Refer to the truth value table
80
TYPE3
I
Destination change
r
Refer to the truth value table
81
RDS NOISE
I
FM noise detection
82
TUN SMETER
I
S meter input
TUN RDS MUTE output
H: Normal
83
RDS AFS L 2
O
(Not used in circuit, used in software)
L: FM/AM SEEK, AF search (L: When Tuner SRC Auto Zero)
* Same process with RDS AFS L
84~86
NC
-
Not used
Fix to output L
87
PWIC DC DET
I
DC offset detection
88
LINE MUTE
I
Line mute detection
TEL MUTE: 1V or lower, NAVI MUTE: 2.5V or higher
NAVI MUTE: 1V or lower and 2.5V or higher (J-TYPE)
89,90
NC
-
Not used
Fix to output L
91
RDS DATA
I
RDS decoder DATA input
92
RDS QUAL
I
RDS decoder QUAL input
93
NC
-
Not used
Fix to output L
94
ACC DET
I
ACC power supply detection
L: ACC ON, H: ACC OFF
95
BU DET
I
Momentary power down detection
L: BU found, H: BU not found, momentary power down
Activated within 4ms after detection of momentary power down
96
AVSS
-
Connect to VSS
97
REF CON
O
VREF control
Connect to VREF
98
VREF
-
Connect to REF CON
99
AVCC
-
Connect to VCC
100
NC
-
Not used
Fix to output L
MICROCOMPUTER’S TERMINAL DESCRIPTION
