Sony HCD-C5 Service Manual page 72

HCD-C5
• IC701 M30803MG-A03FP MASTER CONTROLLER (MD DIGITAL BOARD)
Pin No. Pin Name
1 (FLDT)
2 (FLCK)
(LEVEL-L)
3
4 (LEVEL-R)
5 to 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
72
I/O
— Not used
— Not used
—
Not used
— Not used
— Not used
— Data bus changed signal input (Connected to ground)
— Processor mode selection terminal
I Not used
I Not used
I System reset input
O Main clock output (10MHz)
I Ground
O Main clock input (10MHz)
— Power supply
I Fixed at H (Pull-up)
— Digital in sync signal input (Record system)
I Power down detection signal input (L:Power down)
ADIP (MO) sync signal or subcode Q (PIT) sync signal input from the CXD2662R
I
(Playback system)
I Not used
I Not used
— I2C cable connect check signal output
— Not used
O Interrupt status signal input from the CXD2662R
— Not used
I Not used
— Not used
— I2C serial clock input/output
— I2C serial data input/output
I/O Writing data signal output to the serial bus
I/O Reading data signal input from the serial bus
O Clock signal output to the serial bus
I Not used
O Not used
— Not used
— Not used
— Not used
— Not used
— Not used
— Not used (Pull-down)
— Not used
— Not used
I Recording protection tab detection signal input from the protection detection switch (H:Protect)
O Clock signal output to the EEP-ROM
I Fixed at H (Pull-up)
O Write protect signal output to the EEP ROM (L:Write enable)
I Busy signal input from the CXD2662R
I Detection signal input from the loading out detection switch
Description