DV-6050
12
CIRCUIT DESCRIPTION
Pin NO.
Pin Name
I/O
Pin Description
1
VDD
-
Digital power supply.
2
VSS
-
Digital ground.
3
MO1
O
27MHz fixed output pin 1.
4
MCK
I
Serial interface bit clock input.
5
MLEN
I
Serial interface latch enable input.
6
VDDA
-
Analog power supply.
7
VSSA
-
Analog ground.
8
XTI
I
Crystal resonator connection pin.
9
XTO
O
Crystal resonator connection pin.
10,11,17,21
RSV
-
Unused.
12
SO1
O
33.8688MHz fixed output pin.
13
VSS2
-
Ground 2 for output.
14
VDD2
-
Power supply 2 for output.
15
SO4
O
Output for 512fs.
16
SO3
O
Output for 512fs.
18
VSS1
O
Ground 1 for output.
19
VDD1
-
Power supply 1 for output.
20
SO2
O
Output for 384fs.
22
SO5
O
Output for 768fs.
23
FSEL/MDT
I
Parallel mode : Sampling frequency Select Signal Input
Serial mode : Control Data Input
24
MO2
O
27MHz fixed output pin 2.
Pin No.
Pin Name
I/O
Pin Description
132
NTRYCL
I/O
Detection pin of tray close.
133
NDASP
I/O
ATAPI drive active/slave input and output (unused).
134
NCS3FX
I
Selection of ATAPI host chip.
135
NCS1FX
I
Selection of ATAPI host chip.
136
DA2
I/O
ATAPI host address.
137
DA0
I/O
ATAPI host address (unused).
138
NPDIAG
I/O
Diagnosis input/output from ATAPI slave to master (unused).
139
DA1
I/O
ATAPI host address (unused).
140
NIOCS16
O
Selection of ATAPI host data bus width (unused).
141
INTREQ
O
ATAPI host interrupt request.
142
NDMACK
I
ATAPI host DMA request.
145
IORDY
O
ATAPI host ready output.
146
NIORD
I/O
ATAPI host data read.
147
NIOWR
I/O
ATAPI host data write.
148
DMARQ
O
ATAPI host DMA request (unused).
149~151,157~161,
HDD (0~15)
I/O
ATAPI host data (0~15).
164~168,171~173
153
PO
I
Terminated to ground.
154
UATASEL
I
Terminated to ground (unused).
174
VDDH
-
Reference power supply (+3.3V) for ATAPI.
175
NRESET
I
ATAPI host reset input.
176
MASTER
I
ATAPI master/slave selection.
3-4 Clock Generator : SM8703CV (DVD AUDIO FRONT END, IC14)
