DV-6050
18
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Pin Description
1,34
VCC1,2
-
VCC
2
CIN
I
Croma input.
3,15
MUTE (1,2)
O
Mute select (Unused).
4,6
VIN, YIN
I
Video input (Composite or Y).
5
YC MIX
-
YC MIX select (GND).
7
BIAS
-
Bias
8,10,17,20,
GND
-
GND
23,26,29,32
9,11
NC
-
Unused.
12
CYIN
I
Luminance input
13
CLP
-
Input clamp select (Unused).
14,16
CbIN, CrIN
I
Component input.
18
CrOUT
21
CbOUT
24
CYOUT
O
Signal output.
27
YOUT
30
VOUT
19
CrSAG
22
CbSAG
25
CYSAG
O
SAG correction.
28
YSAG
31
VSAG
33
COUT
O
Croma output.
3-10 Video Driver : MM1568 (DVD AUDIO BACK END, IC71)
Pin No.
Pin Name
I/O
Pin Description
158,159,161,162,164
165,167,168,170,171
MDQ0~MDQ15
I/O
SDRAM data bus (0~15).
173,175,177,178,180
181
183
MCKI
I
Clock input from SDRAM.
185
MCK
O
Clock output to SDRAM.
187
DQMLE
O
Lower bite data, mask signal of expander SDRAM.
189
DQMLM
O
Lower bite data, mask signal of main SDRAM.
190
DQMUE
O
Upper bite data, mask signal of expander SDRAM.
192
DQMUM
O
Upper bite data, mask signal of main SDRAM.
193
XWE
O
Write enable signal of SDRAM.
195
XCAS
O
CAS signal of SDRAM.
196
XRAS
O
RAS signal of SDRAM.
198
XCSE
O
Chip select signal of expander SDARM.
199
XCSM
O
Chip select signal of main SDARM.