CIRCUIT DESCRIPTION
C-V100/V150/V300/V350
11
Pin No.
Port Name
I/O
Description
1
Vdd
I
Power supply (+5V)
2~5
KR3-0
I
key return 3 ~ 0
6,7
ENC_VOL1,2
I
Encoder pulse detect1, 2
8
/HP_DET
I
Headphone detect
L : Yes
9
/CE
I
Chip enable
L : Enable
10
/RESET
I
Microprocessor reset
L : Reset
11,12
X1,2
I
Clock generator
13
IC(vpp)
–
Connect to Vss
14,15
XT1,2
–
Sub clock generator
16
Vdd
–
Power supply (+5V)
17
/HP_MUTE
O
Mute of headphones
18
PROTECTION
I
Protection detection
19
SBUSY
I/O
Serial data busy
20
SDATA
I/O
Serial data
21
DSP_CLK
O
Clock for DSP
22
DSP_DATA
O
Data for DSP
23
DSP_ST
O
Strobe for DSP
24
/MUTE
O
Mute control
L : Mute on
25
Avss
–
GND of a/d converter
26
PLL_DO
O
Pll do
27
PLL_CE
O
Chip enable for pll
28
PLL_DATA
O
Data detection for pll
29
PLL_CLK
O
Clock for pll
30
/T_MUTE
O
Mute for tuner
L : Mute on
31
/STEREO
I
Stereo signal detection
L : Stereo
32
/SD
I
Synchro signal detection
L : SD detection
33
RDS_SLEVEL
I
Signal level of rds
34
Avdd
–
Analog power supply for a/d converter
35
Avref
–
Reference voltage for a/d converter
36
RDS_CLK
I
Clock for rds
37
RDS_DATA
I
Data for rds
38
DOOR_LED
O
Door led automatic light key
39
REMOCON_IN
I
Input port of remote control signal
40
Vss
–
GND
41
+10dB_ATT
O
+10dB attenuator
L : Att on
42
VOL_DATA
I/O
Electric volume control data
43
INPUT_LEVEL
O
0/-6dB switch of input level
44
DOOR_DET1
I
Door open detection switch
45
DOOR_DET2
I
Door close detection switch
46
Vdd
–
Power supply (+5V)
47
M_OPEN
O
Motor open function
48
M_CLOSE
O
Motor close function
49
CS_RELAY
O
Center and surround speaker relay control
L : C, Sch off
50
F_RELAY
O
Front and sub-woofer speaker relay control
L : L, R, Switch off
51
TC9215
O
2/6ch switch of input
L : 2ch
52
REM_RWRREQ
O
Rewrite request signal of left-right remote control data
L : Request
53
REM_PWR
I
Rewrite in signal of left-right remote control data
L : rewrite-in
3-3 Pin description
C-V100(K) 1˜16pnew 97.7.15 7:34 PM ページ 11
