KDC-1023/1023S/122/122S
MICROCOMPUTER'S TERMINAL DESCRIPTION
6
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MECHANISM MICROCOMPUTER MN6627771KP (X32 : IC2)
Pin No.
Name
I/O
Description
Processing Operation
1
TVD
O
Traverse driver output (PWM output)
2
SPL
O
Spindle motor drive output (PWM output)
3
PC
O
Spindle motor ON output
L:ON H:OFF (default )
4
PWM
O
multi-purpose PWM output
It's possible to setup the TOSF2
5
TBAL
O
Tracking balance adjust output (PWM output)
6
FBAL
O
Focus balance adjust output (PWM output)
7
NRFDET
I
RF detection signal input
L:detected
8
OFT
I
Off-track signal input
H:detected
9
BDO
I
Drop out signal input
H:detected
10
LDON
O
Laser on signal output H:ON
When command FO on,LDON is H
11
DSLB
O
DSL balance output
12
DVDD1
-
Power supply for digital circuit
13
DVSS1
-
Ground lines for digital circuit
14
AVSS2
-
Ground lines for analog circuit
For DSL,PLL and AD
15
DSLF
I/O
Loop filter terminal for DSL
The bias of ARF output terminal in one
16
ARF
I
RF signal input
17
RFSW
I
When DSL circuit,constant switch terminal
18
PLLF
I/O
Loop filter terminal for PLL
19
PLLF2
I/O
Loop filter characteristic switching terminal for PLL
20
IREF
I
Standard voltage input terminal
21
RFENV
I
RF envelope signal input
Analog input
22
TRCRS
I
Track cross signal input
Analog input
23
TE
I
Tracking error signal input
Analog input
24
FE
I
Focusing error signal input
Analog input
25
AVDD2
-
Power supply for analog circuit
For DSL,PLL and AD
26
AVSS1
-
Ground lines for analog circuit
For audio output (Lch and Rch in one)
27
OUTR
O
Rch audio output
28
AVDD1
-
Power supply for analog circuit
For audio output (Lch and Rch in one)
29
OUTL
O
Lch audio output
30
DVSS3
-
Ground lines for digital circuit
31
CSEL
I
Oscillation frequency specification terminal
H:33.8488MHz L:16.9344MHz
32
NC
O
Not used
33
ASEL
I
Audio output polarity switching terminal
L:Reverse H:Non reverse
34
MSEL0
I
Destination type selection port (set 2bit)
Order "MSEL 0" and "MSEL 1" Set up
35
MSEL1
I
Destination type selection port (set 2bit)
Order "MSEL 0" and "MSEL 1" Set up
36
ICRST
O
Reset control terminal for external DAC
37
BCLK
O
Bit clock output for serial data
38
LRCK
O
L/R identification signal output
39
SRDATA
O
Sirial data output
40
VREFP
I
A/D converter standard power supply input
41
HOT
I
Temperature protection detection terminal (AD input) Over C5(h):on
42
8EJE_SW
I
8cm disc eject stop detection terminal
H:Stop
43
12EJE/SDET_SW
I
Judge the 8cm or 12cm disc
12cm disc stop detection terminal
44
LOE/LIM_SW
I
Pick-up inside detected
Loading end detection terminal
45
PCK
O
PLL extracted clock output,etc
46
EFM
O
EFM signal output,etc
47
SENSE
O
Optics servo status signal output,etc
48
CLVS
O
Spindle servo phase synchronous signal output,etc L:Normal operation H:Luff servo
49
DEMPH
O
Dephase detection signal output,etc
H:on
50
DVDD2
-
Power supply for digital circuit
51
X1
I
Main clock input terminal
