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3.Pin function
Pin No.
Symbol
1
FGC
2
LDONA
3
LDONB
4
PULIN
5
SRF
6
DVSS
7
TRAYSET1
8
TRAYSET2
9
DRVMUTE
10
DVDD
11
TRVSW
12
TRAY-CLOSE
13
TRAY-OPEN
14
ST/SP
15
HFMON
16
BRK
17
DVSS
18
PLLOK
19
N.C.
20
TBAL(PWMDA1)
21
GBAL(PWMDA2)
22
BDOLVL(PWMDA3)
23
OFTLVL(PWMDA4)
24
N.C.
25
N.C.
26
N.C.
27
DVSS
28
DVDD
29
TSTSG
30
FUPDN
31
MONA
32
MONB
33
CPSEN
34
CPCEN
35
CPUIRQ
36
CPUCLK
37
CPUDTIN
38
CPUDTOUT
39
CHK4I
40
SCLK+
41
SCLK-
42
SDAT+
43
SDAT-
44
BDO
45
SBCK
46
IREF2
I/O
0
H fixation
O
Laser drive controlA (ON / OFF)
O
Laser drive controlB (ON / OFF)
O
DSL and PLL high boost signal (FEP)
O
Head amplifier gain H/L selection
Ground for digital circuit
O
Tray drive ON/OFF and direction control
O
Tray drive ON/OFF and direction control
O
Drive IC mute control
Power supply for digital circuit
I
Surroundings position detection in traverse
I
Tray close detection SW
I
Tray opening detection SW
O
Spindle motor drive switch (START /STOP)
O
High cycle module control
O
Spindle motor IC short brake control
Ground for digital circuit
I
SYNC detection (DVD : 18T / CD : 22T)
O
O
Tracking balance (FEP)
O
Tangential balance (FEP)
O
BDO slice level (FEP)
O
Off-track error slice level (FEP)
O
O
O
Ground for digital circuit
Power supply for digital circuit
O
Self calibration signal (FEP)
O
Signal of frequency UP/DOWN of PLL (FEP)
O
Monitor terminal A
O
Monitor terminal B
I
Servo DSP cereal I/F chip selection (SYSCOM)
I
CIRC cereal I/F chip selection (SYSCOM)
O
Interrupt request to silicon (SYSCOM)
I
Silicon cereal I/F clock (SYSCOM)
I
Silicon cereal I/F data input (SYSCOM)
O
Silicon cereal I/F data output (SYSCOM)
I
Connects with unused DVSS
I
Lead channel clock differential motion signal (positive)
I
Lead channel clock differential motion signal (negative)
I
Lead channel data differential motion signal (positive)
I
Lead channel data differential motion signal (negative)
I
BDO + BCA (FEP)
I
CD sub-code data shift clock (ODC)
Connects with unused DVSS
Function
XV-D721BK
XV-D723GD
MN67705EA (1/3)
1-25
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