STR-DH550/DH750
54
Pin No.
Pin Name
I/O
Description
56
POWER_KEY
I
Power switch input terminal
57
AD_KEY2
I
Key signal input (A/D port)
58
PUREDIRECT
I
Disable FL display
59
MU UART IN
I
IIC data input from the video micom
60
AVCC
-
Analog power supply pin for A/D converter
61
AVRH
-
Standard power supply pin for A/D converter
62
AVSS
-
Analog ground for A/D converter
63
VCOM_SDA (OUT)
O
IIC data output to the video micom
64
HDMI_CEC_OUT
O
CEC serial data output to the HDMI connector
65
HDMI_CEC_IN
I
CEC serial data input from the HDMI connector
66
STOP
I
AC off detection signal input
67
LIMITER
I
Limiter signal input
68
DIR FSRATE
I
Sampling rate frequency from the digital audio interface receiver
69
TEMP_SENSOR_2
I
Thermal detection signal input from the thermal sensor
70
TEMP_SENSOR_1
I
Thermal detection signal input from the thermal sensor
71
FLASH_CLK
O
In Line programming clock data line
72
SO
O
Serial data output terminal (use for Firmware Flash Program)
73
SI
I
Serial data input terminal (use for Firmware Flash Program)
74
DIR_SIGNAL
I
Audio serial data input from the digital audio interface receiver
75
VSS
-
Ground terminal
76
VCC
-
Power supply pin (+3.3V)
77
DIR_XSTATE
I
Clock selection signal input from the digital audio interface receiver
78
TCK
-
Test clock signal input terminal (for JTAG)
79
TDI
-
Test data input terminal (for JTAG)
80
TMS
-
Test mode selection signal input terminal (for JTAG)
81
TD0
-
Test data output terminal (for JTAG) Not used
82
DIR_MISO
I
Serial data input from digital audio interface receiver
83
DIR_MOSI
O
Serial data output to digital audio interface receiver
84
DIR _SPICLK
O
Serial clock output to digital audio interface receiver
85
DIR_CE
O
Chip enable signal output to the digital audio interface receiver
86
DIR_SIGNAL
I
Audio serial data input from the digital audio interface receiver
87
DIR_RST
O
Reset signal output to the digital audio interface receiver
88
DSP_SFLASH_HOLD
O
Hold signal output to the serial fl ash
89
DSP_NLPCM
I
SPDIF / IIS NLPCM signal input from digital audio interface receiver / HDMI receiver
90
DSP_ERROR
I
SPDIF / IIS Error signal input from digital audio interface receiver / HDMI receiver
91
DSP_SPICS
O
Chip select signal output to DSP
92
PROG_VU_MD0
O
Programming (video micom)
93
VU_RST
O
Video micom reset signal output terminal
94
DSP_SPICLK
O
Serial data transfer clock signal output to the serial fl ash and DSP
95
DSP_MOSI
O
Serial data output to the serial fl ash and DSP
96
DSP_MISO
I
Serial data input from the serial fl ash and DSP
97
VCC
-
Power supply pin (+3.3V)
98
VSEL-SW
O
Composite video output signal switch
99
VMUTE
O
Video muting control signal output to the video amplifi er
100
VSS
-
Ground terminal
