AK8859VN Datasheet, PDF (8/72 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

[AK8859VN]
Pin
No.
Symbol
P/S
I/O
Functional Description
21 DVSS D G Digital ground pin.
Analog video signal input pin.
22 AIN2 A I Connect via 0.033μF capacitor and voltage-splitting resistors. If not used,
connect to NC.
23 VCOM A O ^{Common internal voltage for AD converter.}
Connect to AVSS via ≥0.1μF (+/−5% accuracy) ceramic capacitor.
24 IREF
Analog circuit reference current setting pin.
AO
Connect to AVSS via 6.8KΩ (+/−1% accuracy) resistor.
25 VRN
Internal reference negative voltage pin for AD converter.
A O _{Connect to AVSS via ≥0.1 µF (+/−1% accuracy) ceramic capacitor.}
26 VRP
Internal reference positive voltage pin for AD converter.
A O _{Connect to AVSS via ≥0.1 µF (+/−1% accuracy) ceramic capacitor.}
Analog video signal input pin.
27 AIN1 A I Connect via 0.033μF capacitor and voltage-splitting resistors. If not used,
connect to NC.
28 AVDD A P Analog power supply pin.
29 AVSS A G Analog ground pin.
Power-down control pin. Hi-z input is prohibited.
30 PDN P I Low: Power-down.
High: Normal operation.
31 SELA P I I²C bus address selector pin.
32 TEST P I Pin for test mode setting. Connect to DVSS.
[Power Supply]: A-AVDD, D-DVDD, P-PVDD
[I/O]: I–Input pin, O–Output pin, I/O–In Out pin, P–Power Supply pin, G–Ground pin
See section [3.2.](Output pin state) for relationship between PDN-pin and each register.
[3.2.] Output pin state
PDN
Register setting
-pin ^{OEN DL VD_FL VAR HL}
-bit -bit
-bit
-bit -bit
L
X
X
X
X
X
H
H
X
X
X
X
H
L
L
L
L
L
H
L
H
H
H
H
DATA[7:0]
DOUT
Low
Digital output pins state
VD_F VAR
HD
DOUT
Low
Low
Hi-z
DOUT
Low
DOUT
Low
DTCLK
DOUT
DOUT
MS1179-E-00
AKM Confidential
-8-
2010/04