Advertisement
UX-F70MD/UX-F72MD
3. Pin function (1/2)
Pin No.
Symbol
1
MPROT
2
SSTOP
3
MREF
4
NC
5
NC
6
NC
7
NC
8
NC
9
Vdd
10
X2
11
X1
12
Vss
13
XT2
14
XT1
15
RESET
16
MHON
17
SQSY
18
DQSY
19
XINT
20
CD_EMP
21
CD_CBIT
22
CD_TNO
23
AVdd
24
AVref0
25
MT0
26
MT1
27
MT2
28
MT3
29
MODSEL
30
UART
31
DOUT_SEL
32
DOUT_OFF
33
AVss
34
EJECT
35
LOAD
36
AVref1
37
COMIN
38
COMOUT
39
COMCLK
40
SRDT
41
SWDT
42
SCLK
43
MONILT
44
NC
45
NC
46
MONIDATA
47
MONICLK
48
DINUNL
49
SVIB
50
AXREC
1-48
I/O
Disk hole detection switch input (REC protection detection input)
I
Disk innermost circumference detection limit switch on/off detection signal input
I
Disk detection (premaster and recordable disk)
I
Not connected
-
-
Not connected
Not connected
-
Not connected
-
Not connected
-
Power supply
-
-
Connected with 12 MHz oscillator
Connected with 12 MHz oscillator
-
GND
-
Not used
-
Not used. Connected to GND
-
I
Reset input
Magnetic head drive control (L: Recording)
O
Disk sub-code Q sync/ADIP sync input
I
Digital input U-bit, Sub-code Q sync input
I
Connected with DSP (IC350) XINT terminal (Interrupt request output terminal)
I
I
Emphasis detection
CD copy inhibit
I
Non CD track detection
I
Analog power supply
-
Connected to GND
-
-
Not used. Connected to GND
Not used. Connected to GND
-
Not used. Connected to GND
-
Not used. Connected to GND
-
Microcomputer operation mode select (H: Usual)
I
I
External communication system select (H: UART, L: 4-wire)
Digital output select (H: DIN through output, L: FS convert output)
I
Digital output select (H: Off, L: On)
I
GND
-
Eject control signal output
O
O
Load control signal output
Connected with power supply terminal
-
Command input
I
Command output
O
Command clock
I/O
I
Data input for microcomputer serial interface
Data output for microcomputer serial interface
O
Shift clock for microcomputer serial interface
O
Not used
-
-
Not connected
-
Not connected
-
Not used
-
Not used
Not used
-
O
Spindle servo brake
O
Recording speed switch output
Description
Advertisement
