37
Pin No.
Pin Name
I/O
Description
35
DSPLAT
O
Serial data latch pulse output to the CXD2726Q (IC100)
36
DSPRST
O
Reset signal output to the CXD2726Q (IC100) “L”: reset
37
NC
O
Not used (open)
38
DVCC
—
Power supply terminal (+5V) (for D/A converter)
39
DVSS
—
Ground terminal (for D/A converter)
40, 41
NC
O
Not used (open)
42
AVCC
—
Power supply terminal (+5V) (for analog system)
43
AVRH
I
Reference voltage (+5V) input terminal (for A/D converter)
44
AVRL
I
Reference voltage (0V) input terminal (for A/D converter)
45
AVSS
—
Ground terminal (for analog system)
46
KEYIN0
I
Key input terminal (A/D input) (LSW901 to LSW908, S901 to S904)
OFF, SOURCE, SOUND EQ, MENU, PTY DSPL, LIST, ENTER,
o
MODE, SEEK/AMS -
.
m
+
>
M
, DISC/PRST +, DISC/PRST – keys input
47
KEYIN1
I
Key input terminal (A/D input) (LSW801, LSW909 to LSW917)
Z
, DSO, TA, AF, 6 to 3 SHUF 2, REP 1 keys input
48
RCIN0
I
Rotary remote commander key input terminal (A/D input)
49
DSTSEL
I
Destination setting terminal (A/D input) “L”: XR-C7500R/C7500RX: TYPE A,
“M”: XR-C7500R/C7500RX: TYPE C, “H”: XR-C7500R/C7500RX: TYPE B
50
QUALITY
I
Noise level detection signal input at SEEK mode (A/D input)
51
FMAGC
I
FM AGC detection signal input from the FM/AM tuner unit (TUX1) (A/D input)
52
MPTH
I
Multi-path detection signal input from the RDS decoder (IC50) (A/D input)
53
VSM
I
FM and AM signal meter voltage detection input from the FM/AM tuner unit (TUX1) (A/D input)
54
VCC
—
Power supply terminal (+5V)
55
AMP ON
O
Standby on/off control signal output to the power amplifier (IC700)
“L”: standby mode, “H”: amp on
56
NS-MASK
O
Discharge control signal output for the noise detection circuit “H”: discharge
57
MTLOUT
O
METAL on/off control signal output to the CXA2510AQ (IC250) “H”: METAL on
58
REEL
I
Rotation detect signal input from supply reel sensor and take-up reel sensor on the deck
mechanism
59
LM-EJ
O
Motor drive signal output to the loading/tape operation motor drive (IC201) “H” active
(For the eject direction and reverse side operation) *1
O
Motor drive signal output to the loading/tape operation motor drive (IC201) “H” active
(For the loading direction and forward side operation) *1
O
Capstan/reel motor (M901) drive signal output terminal “H”: motor on
O
Tape system power supply on/off control signal output terminal “H”: tape on
—
Ground terminal
I
Not used (fixed at “L”)
I
I
I
68
POS3
I
69
FLASH-W
I
Internal flash memory data write mode detection signal input terminal “L”: data write mode
Not used (fixed at “H”)
70
I2C SDA
I/O
Two-way data I
2
C bus with the FM/AM tuner unit (TUX1), RDS decoder (IC50) and electrical
volume (IC10)
71
I2C SCL
O
I
2
C bus clock signal output to the FM/AM tuner unit (TUX1), RDS decoder (IC50) and electrical
volume (IC10)
72
RCIN1
I
Rotary remote commander shift key input terminal
Tape position (EJECT/FF/REW/REV/
FWD mode) detect input from the tape
operation switch on the deck mechanism
POS0: “L”: EJECT mode, “H”: others mode
POS1: “L”: FF and FWD mode, “H”: others mode
POS2: “L”: REW mode, “H”: others mode
POS3: “L”: REV and EJECT mode, “H”: others mode
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
