AK8859VQ Datasheet, PDF (8/73 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

[AK8859VQ]
Pin
No.
Symbol
P/S
I/O
Functional Description
25 NC
- - Open
26 DVSS D G Digital ground pin.
27 DVDD D P Digital power supply pin.
28 DVDD D P Digital power supply pin.
29 XTO
30 XTI
Crystal connection pin. Use 24.576 MHz crystal.
D O When PDN=L, output level is DVSS.
If crystal is not used, connect to NC or DVSS.
Crystal connection pin. Use 24.576 MHz crystal resonator.
DI
For input from 24.576 MHz crystal oscillator, use this pin.
31 DVSS D G Digital ground pin.
32 DVSS D G Digital ground pin.
Analog video signal input pin.
33 AIN2 A I Connect via 0.033μF capacitor and voltage-splitting resistors. If not used,
connect to NC.
Common internal voltage for AD converter.
34 VCOM A O _{Connect to AVSS via ≥0.1μF (+/−5% accuracy) ceramic capacitor.}
35 IREF
A O ^{Analog circuit reference current setting pin.}
Connect to AVSS via 6.8KΩ (+/−1% accuracy) resistor.
36 NC
- - Open
37 NC
- - Open
38 VRN
39 VRP
40 AIN1
Internal reference negative voltage pin for AD converter.
AO
Connect to AVSS via ≥0.1 µF (+/−1% accuracy) ceramic capacitor.
A
O
Internal reference positive voltage pin for AD converter.
Connect to AVSS via ≥0.1 µF (+/−1% accuracy) ceramic capacitor.
Analog video signal input pin.
A I Connect via 0.033μF capacitor and voltage-splitting resistors. If not used,
connect to NC.
41 AVDD A P Analog power supply pin.
42 AVDD A P Analog power supply pin.
43 AVSS A G Analog ground pin.
44 AVSS A G Analog ground pin.
Power-down control pin. Hi-z input is prohibited.
45 PDN P I Low: Power-down.
High: Normal operation.
46 SELA P I I²C bus address selector pin.
47 TEST P I Pin for test mode setting. Connect to DVSS.
48 NC
- - Open
[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.
MS1178-E-00
AKM Confidential
-8-
2010/04