– 30 –
Pin No.
Pin name
I/O
Description
51
SELECT
I
Destination select detection input.
52
AVSS
–
A/D converter ground terminal.
53
AVREF
–
A/D converter reference voltage input.
54
AVDD
–
A/D converter power supply terminal.
55
LED - PRESET/AMS
O
AMS/PRESET LED drive output.
56
LED - SELECT
O
SELECT LED drive output.
57
LINE
O
Function LINE output.
58
LINE - LEVEL
O
LINE level control signal output.
59
KEY4
I
Key input (4).
60
KEY3
I
Key input (3).
61
KEY2
I
Key input (2).
62
KEY1
I
Key input (1).
63
TU - MUTE
O
Radio mute drive signal output.
64
TU - COUNT
I
Radio PLL data input.
65
TU - CLK
O
Radio PLL clock output.
66
TU - DATA
O
Radio PLL data output.
67
TU - CE
O
Radio PLL chip enable output.
68
NC
–
Not used (OPEN).
69
MD - SRXD
I
Communicate with MD and UART receive input.
70
MD - STXD
O
Communicate with MD and UART send output.
71
NC
–
Not used (OPEN).
72
NC
–
Not used (OPEN).
73
CD - XRST
O
CD system reset signal output.
74
CD - CLK
O
CD serial clock output.
75
CD - XLAT
O
CD system lack output.
76
CD - DATA
O
CD serial data output.
77
CD - SENSE1
I
CD SENSE 1 input.
78
CD - SCOR
I
CD SCOR input.
79
CD - SQSO
I
CD SUB Q data input.
80
CD - SHORT
I
CD POWER circuit short detection input.
81
CD - SQCK
O
CD SUB Q clock output.
82
CD - MUTE
O
CD system mute output.
83
CD - FOK
I
CD FOK input.
84
CD - SENSE2
I
CD SENSE 2 input.
85
RMC
I
Remote control signal input.
86
TEX
I
Real clock oscillation input (32.768kHz).
87
TX
O
Real clock oscillation output (32.768kHz).
88
VSS
–
Ground.
89
VDD
–
Power supply terminal.
90
NC
–
Not used (OPEN).
91
NC
–
Not used (OPEN).
92
NC
–
Not used (OPEN).
93
SPEED - L
O
Open/Close motor drive output.
94
AU - DATA
O
AUDIO data output.
95
AU - CLK
O
AUDIO clock output.
96
B/L - CONT
O
Back light ON/OFF control output.
97
PA - STANDBY
O
Power amplifier ON/Standby control output.
98
AMUTE
O
Audio mute signal output.
99
CD
O
CD function output.
100
P - CON
O
POWER ON/OFF control.
