AK8813 Datasheet, PDF (6/51 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Encoder

ASAHIKASEI
57pin FBGA
No. Pin Name
A1
NC
B1
AVSS
C1
AVDD
C2
VREFOUT
D1
VREFIN
D2
IREF
E1
DVSS
E2
DVDD
F2
UD0
F1
UD1
G2
UD2
G1
UD3
H1
UD4
J1
NC
J2
UD5
H2
UD6
H3
UD7
J3
DVSS
H4
SYSCLK
J4
DVDD
H5
UD8
J5
DVDD
J6
FID/VSYNC
H6
HSYNC
H7
DVSS
J7
SYSINV
H8
UD9
J9
NC
J8
D7
G8
D6
Rev.00
[AK8813/14]
I/O Description
- Open for normal operation
G Analog Ground
P Analog Power Supply
O Output of the Internal Vref. Terminate with 0.1uF or more capacitor.
I Input of the Reference Voltage
The currents flow this pin adjusts the full-scale output current of the DAC.
O _{Connect this pin to Analog ground via a 6.8kohm resistor ( better than +/-}
1% accuracy ).
G Digital Ground
P Digital Power Supply
I/O Test pin. Open for normal operation
I/O Test pin. Open for normal operation
I/O Test pin. Open for normal operation
I/O Test pin. Open for normal operation
I/O Test pin. Open for normal operation
- Open for normal operation
I/O Test pin. Open for normal operation
I/O Test pin. Open for normal operation
I/O Test pin. Open for normal operation
G Digital Ground
I 27MHz Clock Input. The polarity could be inverted by SYSINV.
P Digital Power Supply
I/O Test pin. Open for normal operation
P Digital Power Supply
Either of FID or VSYNC selected by the register.
Rec.656 decode mode :Output
I/O ^{Master mode : Output}
Slave mode : Input
FID shows that “L” is odd field and ”H” is even field.
Rec.656 decode mode : Output
I/O ^{Master mode : Output}
Slave mode : Input
G Digital Ground
I
“L “ : data is latched with rising edge.
“H” : data is latched with falling edge.
I/O Test pin. Open for normal operation
- Open for normal operation
I _{Video data input (MSB)}
I _{Video data input}
-7-
2004/Oct