STR-KM5500
51
Pin No.
Pin Name
I/O
Description
56
POWER KEY
I
Power key detection signal input
57
DCAC INT
I
DCAC data input from DSP EX3 IC
58
POWER RY
O
Power relay driver control signal output
59
MULTI_ST
—
Not used
60
NIGHT_MODE
—
Not used
61
PROTECTOR
I
Protector detection signal input
62
HP_RY
O
Headphone relay driver control signal output
63
FUSE_DETECT
I
Fuse open detection signal input
64
VOL ENCODER (B)
I
MASTER VOLUME encoder (B) signal input
65
VOL ENCODER (A)
I
MASTER VOLUME encoder (A) signal input
66
C/ SW/ REAR/ SB RY
O
Center / surround speaker relay driver control signal output
67
NC
—
Not used
68
Bridgeable RY
O
Bridgeable relay control signal output
69
PRE-OUT SW RY
O
Sub woofer relay driver control signal output
70
FRONT A (Active SW)
O
Front speaker relay driver control signal output
71
SW PROTECTOR
I
Subwoofer protector input pin
72
NC
—
Not used
73
FL_RESET
—
Reset signal o/p for FL Display Driver IC
74
FL_CLK
O
Clock signal output for FL DISPLAY DRIVER IC
75
FL_DATA
O
Serial data output for FL DISPLAY DRIVER IC
76
FL_LAT
O
Latch signal output for FL DISPLAY DRIVER IC
77
RSTX
I
Reset signal input
78
Tuner SD
I
Tuner detection signal input
79
X1A
—
Not used (Open)
80
X0A
—
Not used (connect to VSS)
81
Vss
—
Ground
82
X0
I
Clock signal input (24 MHz)
83
X1
I
Clock signal input (24 MHz)
84
Vcc3
—
Power Supply pin (+3.3v)
85
+5.8_CTRL (HDMI)
—
HDMI IC +5.8_control
86
P5_SEL A
O
Switching signal output for IC3504 SN74LV052APWR
87
P5_SEL B
O
Switching signal output for IC3504 SN74LV052APWR
88
HDMI_DET
I
HDMI detection signal input
89
DO/ SD/ ST
I
Tuner serial data input
90
TUNER_CLK
O
Serial clock signal output for tuner pack
91
TUNER_DATA
O
Serial data output for tuner pack
92
SLATCH
O
Tuner latch signal output
93
DIR_XMODE
O
Xmode signal output for DIR IC
94
DIR_CKSEL 1
O
Clock select signal output for DIR IC
95
DIR_CLK
O
Data clock signal output for DIR IC
96
DIR_CE
O
Latch signal output for DIR IC
97
DIR_DI
O
Data output for DIR IC
98
DIR_DO
I
Data input from DIR IC
99
DIR_ERROR
I
Error detection signal input from DIR IC
100
NC
O
Switching signal output for HDMI IC
