70
Pin No.
Pin Name
I/O
Function
51
TUN_DO
O
Data output for LC72137
52
TUN_DI
I
Data input for LC72137
53
TUNED
O
Tuning end for LC72137
54
FAULT/BTCE1
O
FAULT for digital amplifier
55
PROTECT/BTCE2
O
PROTECT for digital amplifier
56
VOL_CE
O
Chip enable for IC507 (TC9482)
57
VOL_DAT
O
Data output for IC507 (TC9482)
58
VOL_CLK
O
Clock for IC507 (TC9482)
59
SWMUTE
O
Not used
60
CS_MUTE
O
Not used
61
LR_MUTE
O
Not used
62
VCC
–
+5 V
63
AMP_MUTE
O
Mute for digital amplifier
64
VSS
–
Ground
65
HP_MUTE
–
MUTE during head phone IN
66
HP_SW
I
Headphone IN/OUT
67
S_MUTE
O
Soft mute for IC906 (AK4527)
68
PD
O
Reset for IC906 (AK4527)
69
CDT1
O
Data output for IC906 (AK4527)
70
CLK
O
Clock for IC906 (AK4527)
71
CS
O
Chip select for IC906 (AK4527)
72
RDS1
O
Not used
73
IF_OK
O
SYS COM data transmission/reception use
74
XVIFCS
I
SYS COM data transmission use
75
RDS2
I
Not used
76
XFIFNT
O
SYS COM data transmission start use
77
XFRRST
O
Reset for SYS COM
78
DVDPOW
O
Power ON/OFF for SYS COM
79
MODEL4
I
Distinguishing destination
80
MODEL3
I
Distinguishing destination
81
MODEL2
I
Distinguishing destination
82
DIRXMD
O
Reset for IC907 (LC89055)
83
DIRCLK
O
Clock for IC907 (LC89055)
84
DIRLAT
O
Latch for IC907 (LC89055)
85
DIRWRT
O
Data output for IC907 (LC89055)
86
DIRRDT
I
Data input for IC907 (LC89055)
87
DIRERR
I
Error for IC907 (LC89055)
88
ZERO
I
ZERO data for IC907 (LC89055)
89
NO USE
I
Not used
90
+3.3V
I
Not used
91
+5V
I
Not used
92
Key 2
I
KEY input
93
Key 1
I
KEY input
94
ENB
I
Encoder
95
ENA
I
Encoder
96
AVSS
–
Ground for AD
97
NO USE
I
Not used
98
VREF
–
+5 V for AD
99
AVCC
–
+5 V for AD
100
IFSDO
I
Data input for SYS COM