Sony HCD-M10 Service Manual page 68

HCD-M10
• IC701 M30803MG-A07FP SYSTEM CONTROL (MD DIGITAL BOARD)
Pin No. Pin Name
1 (FLDT)
2 (FLCK)
3 (LEVEL-L)
4 (LEVEL-R)
5 —
6 —
7 —
8 BYTE
9 CNVSS
10 XIN-T
11 XOUT-T
12 S-RST
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 DQSY
19 P-DOWN
20 SQSY
21 (KB-CLK)
22 (KB-DATA)
23 I2C-BUSY
24 (A1-OUT)
25 XINT
26 (BEEP)
27 (XELT)
28 (I2C-POWER)
29 I2C-CLK
30 I2C-DAT
31 SWDT
32 SRDT
33 SCLK
34 (KB-CLK-CTL)
35 (CLIP-TX0)
36 (CLIP-RX0)
37 (CLIP-CLK0)
38 (MUTE)
39 (ADA-RESET)
40 (ADA-LATCH)
41 EPM
42 (CLIP-SEL)
43 —
44 PROTECT
45 EEP-CLK
46 CE
47 EEP-WP
48 XBUSY(MNT2)
49 OUT-SW
50 XLATCH
51 PLAY-SW
68
I/O
— Not used
— Not used
— Not used
— Not used
— Not used
— Not used
—
Not used
I Data bus changed input (Connected to ground)
I Selects processor mode (Connected to ground)
I Sub clock input (32kHz)
O Sub clock output (32kHz)
I
System reset input
O Main clock output (10MHz)
— Ground
I Main clock input (10MHz)
I Power supply
I
Fixed at H (Pull-up)
I Digital in sync input (Record system)
I Power down detection input (L: Power down)
I ADIP (MO)sync or sub code Q (PIT) sync input from CXD1662R (Playback system)
—
Not used
— Not used
O I2C cable connect check (L: Active)
— Not used
I Interrupt status input from CXD2662R
—
Not used
— Not used
— Not used
I/O I2C serial clock input/output
I/O I2C serial data input/output
O
Writing data signal output to the serial bus
I Reading data signal input from the serial bus
O Clock signal output to the serial bus
— Not used
— Not used
— Not used
— Not used
— Not used
— Not used
— Not used
— Not used (pull-down)
— Not used
— Not used
I Recording-protection claw detection input from the protection detection switch (H: Protect)
O Clock output to EEP-ROM
I Fixed at H (Pull-up)
O EEP-ROM write protect signal output (L: Enable to write)
I Busy signal input from CXD2662R
I
Detection signal input from the loading out detection switch
O Latch signal output to DSP IC
I Detection signal input from the playback position detection switch (L: Play)
Description