27
CDX-HR70MS/HR70MW/HS70MS/HS70MW
• IC PIN DESCRIPTIONS
• IC501 MB90F045PF-G-9017-SPE1 (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No.
Pin Name
I/O
Pin Description
1
AREASEL0
I
Destination setting pin
2
AREASEL1
I
Destination setting pin
3
AREASEL2
I
Frequency select signal input
4
NCO
O
Not used. (Open)
5
BEEP
O
BEEP signal output
6
ACC_SEL
I
ACC distinction signal input (Pull up)
7
NCO
O
Not used. (Open)
8
DIAG
I
Status signal input from power amplifier.
9
VOLATT
O
Electronic volume attenuate control signal output.
10
NCO
O
Not used. (Open)
11
VSS
—
Ground
12
TUATT
O
Tuner mute control signal output
13
NSMASK
O
Noise mask signal output Not used in this set. (Open)
14
ILLUMI_SEL1
I
Illumination voltage setting pin (L: 7V or 9V, H: 10.4V or 12.5V)
15
ILLUMI_SEL2
I
Illumination voltage setting pin (L: 7V or 10.4V, H: 9V or 12.5V)
16 to 22
NCO
O
Not used. (Open)
23
VCC5
—
Power supply (+3.3V)
24
EEP_SIO
I/O
EEPROM bus serial data input/output
25
EEP_CKO
O
EEPROM bus serial clock output
26
AMPSTB
O
Power AMP standby signal output
27
LCD_CE/FLS_SI
O
LCD driver chip enable signal output
28
LCD_SO/FLS_SO
O
LCD driver serial data signal output
29
LCD_SCK
O
LCD driver serial clock signal output
30
RDSON
O
RDS ON signal output
31
NCO
O
Not used. (Open)
32
SA_DATA
O
Spectrum analyzer data signal output
33
I2C_CKO
O
I2C bus serial clock signal output
34
I2C_SIO
I/O
I2C bus serial data signal input/output
35
DAVDD
—
A/D converter power supply (+3.3V)
36
AVRH
—
A/D converter external reference power supply (+3.3V)
37
DAVSS
—
A/D converter Ground
38
QUALITY
I
Noise detect signal input
39
VSM
I
S-meter voltage detect signal input
40
KEYIN1
I
Key signal input 1
41
KEYIN0
I
Key signal input 0
42
VSS
—
Ground
43
RC_IN0
I
Rotary commander key signal input
44
SA_IN
I
Spectrum analyzer signal input
45
SA_CKO
O
Spectrum analyzer clock signal output
46
DOOR_IND
O
DISC IN/EJECT indicator LED control signal output
47
RE-0
I
Rotary encoder signal input 0
48
RE-1
I
Rotary encoder signal input 1
49
MD0
I
Operation mode setting pin (Pull up)
50
MD1
I
Operation mode setting pin (Pull up)
51
MD2
I
Operation mode setting pin (Pull down)
52
KEYACK
I
Key acknowledgment detect signal input
53
TU_ATTIN
I
Tuner mute zero cross detect signal input
54
BUIN
I
Back-up power supply detect signal input
Содержание CDX-HS70MW - Marine Stereo
Страница 16: ...16 CDX HR70MS HR70MW HS70MS HS70MW MEMO ...
