60
HCD-HX3/HX5/HX7
MAIN BOARD IC301 M3062LFGPFP-710 (HX3/HX5), M3062LFGPFP-712 (HX7) (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 3
CD BUS2 to
CD BUS0
O
Serial data output to the CD-MP3 processor
4
SIRCS
I
SIRCS signal input from the remote control receiver
5
DEC BUS SEL2
O
Data selection signal output terminal Not used
6
DEC BUS SEL1
O
Data selection signal output terminal (HX3/HX5)
7
S-MASTER
SOFT MUTE
O
Soft muting control signal output to the stream processor
8
BYTE
I
External data bus width selection signal input terminal
9
CN VSS
I
Processor mode switch input terminal (for test)
10
XCIN
I
Sub system clock input terminal (32.768 kHz)
11
XCOUT
O
Sub system clock output terminal (32.768 kHz)
12
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 changes to "H"
13
XOUT
O
Main system clock output terminal (5 MHz)
14
VSS
-
Ground terminal
15
XIN
I
Main system clock input terminal (5 MHz)
16
VCC
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal Not used
18
RDS INT
I
RDS data transfer clock signal input from the tuner (FM/AM) (HX3: AEP/HX5: AEP, UK)
19
SBSY
I
Subcode block sync signal input from the CD-MP3 processor
20
AC CUT
I
AC cut on/off detection signal input terminal "L": AC cut on
21
CD ON
O
Power on/off control signal output terminal for CD section "H": power on
22
CD DRIVE MUTE
O
Muting signal output to the coil/motor driver
23
CD CLK
O
Serial data transfer clock signal output to the CD-MP3 processor
24
CD CCE
O
Chip enable signal output to the CD-MP3 processor
25
CD XRST
O
Reset signal output to the CD-MP3 processor "L": reset
26
MP3 IREQ
I
Request signal input from the CD-MP3 processor
27
USB RESET
O
Reset signal output to the USB controller "L": reset (HX3/HX5)
28
USB POWER
O
Power on/off control signal output terminal for USB section "H": power on (HX3/HX5)
29
IIC CLK
I/O
Two-way IIC clock bus terminal Not used
30
IIC DATA
I/O
Two-way IIC data bus terminal Not used
31
BT_DOUT/
DAB TXD
O
Serial data output to the bluetooth module (HX5/HX7)
32
BT_DIN/
DAB RXD
O
Serial data input from the bluetooth module (HX5/HX7)
33
S-MASTER LATCH
O
Serial data latch pulse signal output to the stream processor
34
BT_RTS
O
Ready to send signal output to the bluetooth module (HX5/HX7)
35
USB TXD/
SAT TXD
O
Serial data output to the USB controller (HX3/HX5)
Serial data output to the XM receiver and SIRIUS socket (HX7)
36
USB RXD/
SAT RXD
I
Serial data input from the USB controller (HX3/HX5)
Serial data input from the XM receiver and SIRIUS socket (HX7)
37
USB_CTS
I
Clear to send signal input from the USB controller (HX3/HX5)
38
USB_RTS
O
Ready to send signal output to the USB controller (HX3/HX5)
39
S-MASTER INIT
O
Initialize signal output to the stream processor
40
S-MASTER
NSP MUTE
O
NSP muting control signal output to the stream processor
41
PULL DOWN
O
Connected to the ground
