HCD-ZUX999
80
• IC Pin Function Description
MAIN BOARD (2/4) IC111 R5F3640MDFAR (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
AD POWER CTL
O
A/D power supply control signal output (“H”: ON)
2
TBL-SENS
I
Disc tray position detection signal input from CDM
3
LMR
O
CDM loading motor control signal output
4
SIRCS_IN
I
Remote control signal input
5
FL/LED/IO-EXP TXD
O
FL and LED driver’s serial data signal output
6
LED/IO-EXP RXD(JOG)
I
Serial data input from encoder dial
7
FL/LED/IO-EXP CLK
O
FL and LED driver’s serial clock signal output
8
BYTE
—
Not used. (Connected to ground)
9
CNVSS
I
Change processor mode
10
XCIN
I
Sub system clock input terminal (32.768kHz)
11
XCOUT
O
Sub system clock output terminal (32.768kHz)
12
RESET
I
System Reset signal input
13
XOUT
O
Main system clock output terminal (5MHz)
14
VSS
—
Ground
15
XIN
I
Main system clock input terminal (5MHz)
16
VCC
—
Power supply (+3.3V)
17
NO_USE
I
Not used. (Pull up)
18
AC CUT DETECT
I
AC off detection signal input
19
O-DAC S-MUTE
O
D/A converter mute signal output
20
B.BOOST
O
Groove select control signal output (“H”: OFF, “L”: ON, “Hiz”: Z-Groove)
21
OPEN SW
I
Tray open/close detection signal input from CDM
22
EEP-SCL
O
Serial clock signal output to EEPRPM
23
FL-RESET
O
FL reset signal output
24
EEP-SDA
I/O
Serial data input/output with EEPRPM
25
FL_LAT
O
FL serial data latch signal output
26
FL_BK
O
FL blank control signal output
27
LED_LAT
O
LED driver serial data latch signal output
28
LED_BK
O
LED blank control signal output
29
VOL_IC_IIC_CLK
O
Serial clock signal output to Volume IC
30
VOL_IC_IIC_DATA
I/O
Serial data signal input/output to Volume IC
31
IIC_DATA/TXD1
I/O
Serial data signal input for Flash write /Debug data signal input/output
32
IIC_CLK/RXD1
I/O
Serial data signal input for Flash write /Debug clock signal input/output
33
NO_USE/CLK1
O
Serial clock signal input/output for Flash write
34
STALLION_CTS_IN/
RTS1
I
RTS signal input for Flash write
35
STALLION_TXD_OUT
O
Serial data signal output to DSP IC
36
STALLION_RXD_IN
I
Serial data signal input from DSP IC
37
STALLION_RESET
O
Reset signal output to DSP IC
38
STALLION_RTS
O
RTS signal output to DSP IC
39
CLKOUT/SOFT TEST
—
Not used (Open)
40
I-MIC DETECT
I
Microphone detection signal input (“H”: microphone insert)
41
STK_MUTE
O
Standby signal output to the power ampli
fi
er
42
HP_MUTE
O
Headphone muting control signal output (“L”: MUTE)
43
LINE_MUTE
O
Muting on/off control signal output terminal (“L”:muting on)
44
FRONT_SP_RELAY
O
F/R speaker output relay drive signal output
45
TM-F
O
CDM table motor control signal output
46
PULL UP
—
Not use (pull up)
47
TM-R
O
CDM table motor control signal output
48
LM-F
O
CDM loading motor control signal output
49
ML2252-WR
O
Status data write signal output to ML2252
50
ML2252-BUSY2
I
Channel 2 playback status signal input from ML2252
51
ML2252-BUSY1
I
Channel 1 playback status signal input from ML2252
52
ML2252-NCR1
I
Channel 1 Next Command Ready status signal input from ML2252
53
ML2252-NCR2
I
Channel 2 Next Command Ready status signal input from ML2252
54
ML2252-CLK
O
Serial data transfer clock signal output to ML2252
55
ML2252-DATA_OUT
O
Serial data signal output to ML2252
56
ML2252-RESET
O
Reset signal output to ML2252
Summary of Contents for HCD-ZUX999
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