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STR-KM2/KM3
Ver. 1.2
• IC Pin Function Descriptions
DIGITAL AUDIO BOARD (2/4) IC2105 MB90F058PF-G-NNE1 (SYSTEM CONTROL)
Pin No.
Pin Name
1
PROTECT
2
HDMI_MUTE
3
IO_EX_CLK
4
TUNER_CE
5
TUN_RDS_SIGNAL
6
TUNER_MOSI
7
TUNER_CLK
8
IO_EX_LAT
9
IO_EX_DATA
10
IO_EX_OE
11
POWER_KEY
12
SIRCS_IN
13
NO_USE
14
NO_USE
15
VCC
16
VSS
17
C
18
DSP_MISO
19
DSP_MOSI
20
DSP_SPICLK
21
FL_LAT
22
FL_DATA
23
FL_CLK
24
VERSION
25
FAN_CTRL
26
TEMP_SENSOR_1
27
TEMP_SENSOR_2
28
LIMITER
29
VACS_CTRL
30
VOLUME_JOG
31
INPUT_JOG
32
AVCC
33
AVRH
34
AD_KEY1
35
AVSS/AVRL
36
AD_KEY2
37
USB_OVC
38
USB_RESET
39
USB_IPOD_REQ
40
USB_BUSY
41
HDMI_TX5V-POW
42
TX_RESET
43
RX_RESET
44
VSS
45
PCONT_HDMI
46
HDMI_CECOUT
47
HDMI_CECIN
48
USB_MCHNG
49
USB_SDA
50
USB_SCL
51
MD2
52
I/O
I
Protect detection signal input terminal
O
Audio mute output for HDMI signal (KM3)
O
I/O Expander Clock (P01 pull low for programming)
O
Chip enable for Tuner IC
I/O
RDS signal detection
I/O
Serial data output to the tuner (FM/AM)
O
Serial clock signal output for tuner pack
O
I/O Expander storage register clock
O
I/O Expander Data (P00 pull low for programming)
O
I/O Expander output enable
I
Power key detection signal input
I
SIRCS signal input
-
Not Used
-
Not Used
-
Power supply pin
-
Power supply pin (GND)
-
Regulator stabilization capacity connecting pin
I
Serial data input from DSP EX3 IC
O
Serial data output to DSP EX3 IC
O
Serial data transfer clock signal output for DSP EX3 IC
O
Latch signal output for FL DISPLAY DRIVER IC
O
Serial data output for FL DISPLAY DRIVER IC
O
Clock signal output for FL DISPLAY DRIVER IC
I
Destination detection signal input (L: US, Canadian model, H: AEP model)
O
Fan ON/OFF Control
I
Thermal detection signal input from the thermal sensor
I
Thermal detection signal input from the thermal sensor
I
Limiter signal input
I
VACS Control signal input terminal
I
MASTER VOLUME encoder signal input
I
Function encoder signal input
-
A/D converter power supply pin
-
A/D converter external reference power
I
Key signal input (A/D port)
-
A/D converter power supply pin
I
Key signal input (A/D port)
I
USB: Overcurrent Detection
O
USB: RESET for USB Device BU81459KV
I
USB: IRPTO (notifi cation that USB confi guration description is connected) from USB Device
I
BUSY signal communication between USB board
O
5V Power for HDMI Tx Device (KM3)
O
HDMI: RESET for HDMI-Tx Device (KM3)
O
HDMI: RESET for HDMI-Rx Device (KM3)
-
Power Supply
O
HDMI Power Control (KM3)
O
CEC serial data output to the HDMI connector (KM3)
I
CEC serial data input from the HDMI connector (KM3)
I
USB: MCHNG (change of music fi le being playback) from USB Device BU81459KV
I/O
USB: Communication Line 12C SDA
O
USB: Communication Line 12C SDL
-
Operation mode specifi cation input pin
Description
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