HCD-MX700Ni/MX750Ni
51
• IC Pin Function Description
BD96U BOARD IC101 TC94A70FG-101 (CD-MP3 PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
AVSS3
-
Ground terminal
2
RFZI
I
RF ripple zero crossing signal input terminal
3
RFRP
O
RF ripple signal output terminal
4
SBAD
O
Sub beam addition signal output terminal Not used
5
FEO
O
Focus error signal output terminal Not used
6
TEO
O
Tracking error signal output terminal
7
TEZI
I
Tracking error zero crossing signal input terminal
8
AVDD3
-
Power supply terminal (+3.3V)
9
FOO
O
Focus coil drive signal output terminal
10
TRO
O
Tracking coil drive signal output terminal
11
VREF
I
Reference voltage (+1.65V) input terminal
12
FMO
O
Sled motor drive signal output terminal
13
DMO
O
Spindle motor drive signal output terminal
14
VSSP3
-
Ground terminal
15
VCOI
I
VCO control voltage input terminal
16
VDDP3
-
Power supply terminal (+3.3V)
17
VDD1
-
Power supply terminal (+1.5V)
18
VSS1
-
Ground terminal
19
FGIN
I
FG signal input terminal Not used
20
IN_SW
I
Disc inner position detection signal input terminal
21
/DFCT
O
Not used
22
XVSS3
-
Ground terminal
23
XI
I
System clock input terminal (16.934 MHz)
24
XO
O
System clock output terminal (16.934 MHz)
25
XVDD3
-
Power supply terminal (+3.3V)
26
DVSS3
-
Ground terminal
27
ROUT
O
Audio data (R-ch) output to the input selector
28
DVDD3
-
Power supply terminal (+3.3V)
29
DVR
O
Reference voltage (+1.65V) output terminal
30
LOUT
O
Audio data (L-ch) output to the input selector
31
DVSS3
-
Ground terminal
32
VDDT3
-
Power supply terminal (+3.3V)
33
VSS1
-
Ground terminal
34
VDD1
-
Power supply terminal (+1.5V)
35
VDDM1
-
Power supply terminal (+1.5V)
36
SRAMSTB
I
S-RAM standby mode control signal input terminal Fixed at “L” in this set
37
XRST
I
Reset signal input from the system controller “L”: reset
38 to 41
BUS0 to BUS3
I
Serial data input from the system controller and USB controller
42
BUCK
I
Serial data transfer clock signal input from the system controller
43
XCCE
I
Chip enable signal input from the system controller
44
TEST
I
Setting terminal for test mode Normally
fi
xed at “L”
45
IRQ
I
Interrupt request signal input terminal Not used
46
ST_REQ/CKO
O
Request signal output terminal Not used
47
AOUT2
O
Audio data output terminal
48
REQ
O
Request signal output to the system controller and USB controller
49
PIO1/ST_REQ
O
Request signal output to the USB controller
50
PIO2
O
Not used
51
GATE
I
Gate signal input terminal
52
VSS1
-
Ground terminal
53
VDDT3
-
Power supply terminal (+3.3V)
54
SBSY
O
Subcode block sync signal output to the system controller
55
FOK
O
Not used
56
IPF
O
Not used
57
/LOCK
O
Not used
58
ZDET
O
Zero detection signal output terminal Not used
59
GPIN
I
Not used
Содержание HCD-MX700Ni
Страница 81: ...MEMO HCD MX700Ni MX750Ni 81 ...
