AK8859VN Datasheet, PDF (7/72 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

[AK8859VN]
[3.] Pin function description
[3.1.] Pin function
Pin _{Symbol P/S I/O}
No.
Functional Description
I²C clock input pin. Connect to PVDD via a pull-up register.
1 SCL P I
Hi-z input possible when PDN=L.
I²C data pin. Connect to PVDD via a pull-up register.
2 SDA P I/O
Hi-z input possible when PDN=L.
3 DTCLK P O Data clock output pin. The output clock is approximately 27MHz.
4 DATA7 P ^O DATA output pin (MSB).
(I/O)
O
5 DATA6 P
DATA output pin.
(I/O)
O
6 DATA5 P _(I/O) DATA output pin.
7 DVSS D G Digital ground pin.
8 PVDD P P I/F power supply pin.
9 DATA4 P ^O DATA output pin.
(I/O)
O
10 DATA3 P _(I/O) DATA output pin.
11 DATA2
P
O
(I/O)
DATA output pin.
12 DATA1 P ^O DATA output pin.
(I/O)
O
13 DATA0 P
DATA output pin (LSB).
(I/O)
14 VAR
O DVALID / FIELD / NSIG / LINE signal output pin.
P _{(I/O) DVALID/FIELD/NSIG/LINE signal output can be selected by register setting.}
15 VD_F
P ^{O VD / FIELD signal output pin.}
(I/O) VD/ FIELD signal output can be selected by register setting.
O
16 HD P
HD signal output pin.
(I/O)
17 DVSS D G Digital ground pin.
18 DVDD D P Digital power supply pin.
Crystal connection pin. Use 24.576 MHz crystal.
19 XTO 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.
20 XTI
D
I _{For input from 24.576 MHz crystal oscillator, use this pin.}
[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.
MS1179-E-00
AKM Confidential
-7-
2010/04