STR-DH550/DH750
53
Pin No.
Pin Name
I/O
Description
1
VCC
-
Power supply pin (+3.3V)
2
DSP_INT
I
Interrupt status signal input from DSP
3
DSP_RST
O
System reset signal output to the DSP “L” reset
4
POWER_RY
O
Relay drive signal (for main power) output terminal “H”: relay on
5
TUN_RDS_SIGNAL
I
RDS data signal input (for destination that support RDS only)
6
TUNER_SDA
I/O
Serial data output for tuner
7
TUNER_SCL
O
Clock signal output for tuner
8
TUNER_CE
O
Serial data latch pulse signal output to the tuner (FM/AM)
9
DAC-IIC-SDA
I/O
IIC data input/output from the D/A converter
10
DAC-IIC-SCL
O
IIC clock signal output to the D/A converter
11
BRIDGEABLE_RY
O
Relay drive signal (for power supply) output terminal “H”: relay on
12
SBL_SBR_RY
O
Relay drive signal (for surround back) output terminal “H”: relay on
13
SW_RY
O
Relay drive signal (subwoofer) output terminal “H”: relay on
14
FRONT_SPK_RY
O
Relay drive signal (for front) output terminal “H”: relay on
15
C/SL_SR_RY
O
Relay drive signal (for center and surround) output terminal “H”: relay on
16
EVOL_DATA
O
Serial data output to electrical volume
17
EVOL_CLK
O
Serial data transfer clock signal output to the electrical volume
18
PROTECT
I
Protect detection signal input terminal
19
E2P_SDA
I/O
Two-way data bus with the EEPROM
20
E2P_SCL
O
Serial data transfer clock signal output to the EEPROM
21
NO_USE
-
Not used
22
NO_USE
-
Not used
23
HP-RY
O
Relay drive signal (for headphone) output terminal “H”: relay on
24
HP-DETECT
I
Headphone detection signal input
25
VSS
-
Ground terminal
26
VCC
-
Power supply pin (+3.3V)
27
BT_MUTE
I
Bluetooth: Mute request from BT device to Video uCOM
28
NFC-RF-DET
I
NFC detection signal input (Only for STR-DH750)
29
P-CONT
O
Bluetooth Standby power control (Only for STR-DH750)
30
NO_USE
-
Not used
31
NO_USE
-
Not used
32
NO_USE
-
Not used
33
C
-
Regulator stabilization capacity connecting pin
34
VSS
-
Ground terminal
35
VCC
-
Power supply pin (+3.3V)
36
LED-ON
O
Power ON Green LED
37
LED-STBY
O
Standby LED
38
INITX
-
Main Micom Reset port
39
NO_USE
-
Not used
40
NO_USE
-
Not used
41
FUSE_DET
I
Fuse open detect signal input
42
FL-EN
O
Enable control for FL DISPLAY DRIVER IC
43
FL_CLK
O
Clock signal output for FL DISPLAY DRIVER IC
44
FL_DATA
O
Serial data output for FL DISPLAY DRIVER IC
45
FL_LAT
O
Latch signal output for FL DISPLAY DRIVER IC
46
MD1
-
Selection of micon operation mode (Connect to VSS)
47
MD0
-
Selection of micon operation mode (Connect to VSS)
48
X0
-
Main oscillator connecting pin
49
X1
-
Main oscillator connecting pin
50
VSS
-
Ground terminal
51
VCC
-
Power supply pin (+3.3V)
52
INPUT_JOG
I
Function encoder signal input
53
SIRCS_IN
I
SIRCS signal input
54
VOLUME_JOG
I
MASTER VOLUME encoder signal input
55
AD_KEY1
I
Key signal input (A/D port)
MAIN BOARD (4/7) IC2001 MB9AF156NPMC-G-JNK1E2 (SYSTEM CONTROL)
