STR-DH820
64
• IC Pin Function Description
DIGITAL BOARD (3/4) IC2101 MB90F058PF-G-JNE1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
FRONT_SPK_RY
O
Relay drive signal (for front) output terminal “H”: relay on
2
SBL_SBR_RY
O
Relay drive signal (for surround back) output terminal “H”: relay on
3
BRIDGEABLE_RY
O
Relay drive signal (for power supply) output terminal “H”: relay on
4
C/SL_SR_RY
O
Relay drive signal (for center and surround) output terminal “H”: relay on
5
DSP_MISO
I
Serial data input from the serial
fl
ash and DSP
6
DSP_MOSI
O
Serial data output to the serial
fl
ash and DSP
7
DSP_SPICLK
O
Serial data transfer clock signal output for the serial
fl
ash and DSP
8
HDMI_CECOUT
O
CEC serial data output to the HDMI connector
9
E2P_SDA
I/O
Two-way data bus with the EEPROM
10
E2P_SCLK
O
Serial data transfer clock signal output to the EEPROM
11
HDMI_CECIN
I
CEC serial data input from the HDMI connector
12
POWER_KEY
I
Power switch input terminal
13
X0A
-
32kHz oscillator connecting pin
14
X1A
-
32kHz oscillator connecting pin
15
VCC
-
Power supply pin (+3.3V)
16
VSS
-
Ground terminal
17
C
-
Regulator stabilization capacity
18
FL_LAT
O
Latch signal output for FL DISPLAY DRIVER IC
19
FL_DATA
O
Serial data output for FL DISPLAY DRIVER IC
20
FL_CLK
O
Clock signal output for FL DISPLAY DRIVER IC
21
FL_BK
O
Blanking period signal output to the
fl
uorescent indicator tube
22
PROTECT
I
Protect detection signal input terminal
23
HP_DET
I
Headphone detection signal input
24
NO_USE
-
Not Used
25
MODEL
I
Model setting terminal
26
DESTINATION
I
Destination setting terminal
27, 28
TEMP_SENSOR_1,
I
Thermal detection signal input from the thermal sensor
TEMP_SENSOR_2
29
INPUT_JOG
I
Function encoder signal input
30
TONE_JOG
I
Tone encoder signal input
31
VOLUME_JOG
I
MASTER VOLUME encoder signal input
32
AVCC
-
Analog power supply pin for A/D converter
33
AVRH
-
Standard power supply pin for A/D converter
34
AD_KEY1
I
Key signal input (A/D port)
35
AVSS
-
Analog ground for A/D converter
36
AD_KEY2
I
Key signal input (A/D port)
37
LIMITER
I
Limiter signal input
38
EVOL_DATA
O
Serial data output to electrical volume
39
EVOL_CLK
O
Serial data transfer clock signal output to the electrical volume
40
COMP_DET
I
Component video signal detect
41
IO_EX_DATA
O
I/O Expander Data (P00 pull low for programming)
42
IO_EX_OE
O
I/O Expander output enable
43
IO_EX_LAT
O
I/O Expander storage register clock
44
VSS
-
Ground terminal
45
VCOM_RESET
O
Video Micom Ext Reset Input Pin
46
VCOM_SDA
I/O
IIC data output to the video controller
47
VCOM_SCL
O
IIC clock signal output to the video controller
48
TUNER_SD
I
FM stereo detection signal input from the tuner (FM/AM)
49
TUNER_MOSI
I/O
Serial data output to the tuner (FM/AM)
50
TUNER_CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
51
MD2
-
Selection of micon operation mode (Fixed at H)
52
MD1
-
Selection of micon operation mode (Connect to VSS)
53
MD0
-
Selection of micon operation mode (Connect to VSS)
54
RST
-
Reset signal input (L: Reset)
