STR-KM5/KM7
56
• IC Pin Function Descriptions
DIGITAL AUDIO BOARD (2/4) IC2105 MB90F058PF-G-NNE1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
PROTECT
I
Protect detection signal input terminal
2
HDMI_MUTE
O
Audio Mute signal output for HDMI
3
IO_EX_CLK
O
IO Expander Clock (P01 pull low for programming)
4
TUNER_CE
O
Chip enable for Tuner IC
5
TUN_RDS_SIGNAL
I/O
RDS signal detection
6
TUNER_MOSI
I/O
Serial data output to the tuner (FM/AM)
7
TUNER_CLK
O
Serial clock signal output for tuner pack
8
IO_EX_LAT
O
I/O Expander storage register clock
9
IO_EX_DATA
O
IO Expander Data (P00 pull low for programming)
10
IO_EX_OE
O
I/O Expander output enable
11
POWER_KEY
I
Power key detection signal input
12
SIRCS_IN
I
SIRCS signal input
13
P40/A0B/X0A
-
GPIO/32 kHz oscillator connecting pin
14
P41/A09/X1A
-
GPIO/32 kHz oscillator connecting pin
15
VCC
-
Power supply pin
16
VSS
-
Power supply pin (GND)
17
C
-
Regulator stabilization capacity connecting pin
18
DSP_MISO
I
Serial data input from DSP EX3 IC
19
DSP_MOSI
O
Serial data output to DSP EX3 IC
20
DSP_SPICLK
O
Serial data transfer clock signal output for DSP EX3 IC
21
FL_LAT
O
Latch signal output for FL DISPLAY DRIVER IC
22
FL_DATA
O
Serial data output for FL DISPLAY DRIVER IC
23
FL_CLK
O
Clock signal output for FL DISPLAY DRIVER IC
24
VERSION
I
Destination detection signal input (L: US, Canadian model, H: AEP model)
25
FAN_CTRL
O
Fan ON/OFF Control
26
TEMP_SENSOR_1
I
Thermal detection signal input from the thermal sensor
27
TEMP_SENSOR_2
I
Thermal detection signal input from the thermal sensor
28
LIMITER
I
Limiter signal input
29
VACS_CTRL
I
VACS Control signal input terminal
30
VOLUME_JOG
I
MASTER VOLUME encoder signal input
31
INPUT_JOG
I
Function encoder signal input
32
AVCC
-
A/D converter power supply pin
33
AVRH
-
A/D converter external reference power supply pin
34
AD_KEY1
I
Key signal input (A/D port)
35
AVSS/AVRL
-
A/D converter power supply pin
36
AD_KEY2
I
Key signal input (A/D port)
37
USB_OVC
I
USB: Overcurrent Detection
38
USB_RESET
O
USB: RESET for USB Device BU81459KV
39
USB_IPOD_REQ
I
USB: IRPTO (noti
fi
cation that USB con
fi
guration descriptor is connected) from USB Device
40
USB_BUSY
I
BUSY signal communication between USB board
41
HDMI_TX5V-POW
O
5V Power for HDMI Tx Device
42
TX_RESET
O
HDMI: RESET for HDMI-Tx Device
43
RX_RESET
O
HDMI: RESET for HDMI-Rx Device
44
VSS
-
Power Supply
45
PCONT_HDMI
O
HDMI Power Control
46
HDMI_CECOUT
O
CEC serial data output to the HDMI connector
47
HDMI_CECIN
I
CEC serial data input from the HDMI connector
48
USB_MCHNG
I
USB: MCHNG (change of music
fi
le being playback) from USB Device BU81459KV
49
USB_SDA
IO
USB: Communication Line I2C SDA
50
USB_SCL
O
USB: Communication Line I2C SDL
51
MD2
-
Operation mode speci
fi
cation input pin
Summary of Contents for STR-KM5
Page 83: ...MEMO STR KM5 KM7 4 ...
