DSX-M50BT
23
• IC Pin Function Description
MAIN BOARD IC101 R5F3650KCDZ93FB (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
NOSE_SW
I
Front panel remove/attach detection signal input terminal “L”: front panel is attached
2
SIRCS
I
Remote control signal input from the front panel block
3 to 5
NC
-
Not used
6
BYTE
I
External data bus width selection signal input terminal
7
CNVSS
I
Processor mode selection signal input terminal
8
XIN
I
Sub system clock input terminal (32.768 kHz)
9
XOUT
O
Sub system clock output terminal (32.768 kHz)
10
RESET
I
System reset signal input from the reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
11
OSCOUT
O
Main system clock output terminal (7.92 MHz)
12
VSS
-
Ground terminal
13
OSCIN
I
Main system clock input terminal (7.92 MHz)
14
VCC1
-
Power supply terminal (+3.3V)
15
NMI
I
Non-maskable interrupt signal input terminal Fixed at “H” in this unit
16
CMD_ERR
I
Command error signal input from the audio DSP “H”: error
17
BUSY
I
Busy signal input from the audio DSP “L”: busy
18
SYSRST
O
Reset signal output to the audio DSP “L”: reset
19
CE
O
Chip enable signal output to the audio DSP
20
SDI
I
Serial data input from the audio DSP
21
SCK
O
Serial data transfer clock signal output to the audio DSP
22
SDO
O
Serial data output to the audio DSP
23
USB_IN
I
USB device detection signal input from the audio DSP “L”: USB device is connected
24
SYNC_OUT
O
Frequency control signal output to the DC/DC converter
25
WDT_MON
I
Watch-dog timer status monitor input from the audio DSP
26
BEEP
O
Beep sound output to the power ampli
fi
er
27, 28
NC
-
Not used
29
FW_TXD
O
Serial data output terminal for
fl
ash writing
30
FW_RXD
I
Serial data input terminal for
fl
ash writing
31
FW_CLK
I
Serial data transfer clock signal input terminal for
fl
ash writing
32
FW_BUSY
O
Busy signal output terminal for
fl
ash writing
33 to 38
NC
-
Not used
39
EPM
O
EPM signal output terminal Fixed at “L” in this unit
40 to 43
DEBUG_1 to
DEBUG_4
O
Debug terminal Not used
44
CE
O
Chip enable signal output terminal Fixed at “H” in this unit
45
HIT2_SDA
I/O
Two-way serial data bus with the tuner unit
46
HIT2_SCL
O
Serial data transfer clock signal output to the tuner unit
47
HIT2_RESET
O
Reset signal output to the tuner unit “L”: reset
48
EN_USB
O
USB power on/off control signal output to the DC/DC converter “H”: power on
49
NC
-
Not used
50
FLT_USB
I
USB power fault status signal input from the DC/DC converter
51
EN_SYS
O
VBUS power on/off control signal output to the DC/DC converter “H”: power on
52
IPOD
O
Not used
53
NC
-
Not used
54
TELATT
I
Telephone attenuator detection signal input terminal Fixed at “L” in this unit
55
ACC_IN
I
Accessory power detection signal input terminal
56
ATT
O
Audio muting on/off control signal output terminal “H”: muting on
57
AMP_MUTE
O
Ampli
fi
er muting on/off control signal output to the power ampli
fi
er “H”: muting on
58
AMPSTB
O
Standby signal output to the power ampli
fi
er “L”: standby
59
ILL_ON
O
Power on/off control signal output terminal for illumination LED “H”: power on
60
VCC2
-
Power supply terminal (+3.3V)
61
NC
-
Not used
62
VSS
-
Ground terminal
63, 64
NC
-
Not used
65
BT_MUTE (A50)
I
Muting on/off control signal input from the Bluetooth section “H”: muting on
66
BU_IN
I
Back-up power detection signal input terminal
67 to 71
NC
-
Not used
Summary of Contents for DSX-M50BT
Page 12: ...DSX M50BT 12 MEMO ...
Page 33: ...MEMO DSX M50BT 33 ...
