ASAHI KASEI
AK8817VQ/AK8818VQ
Pin#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Pin Name
N.C.
N.C.
AVDD
IREF
VREF
UD4
UD3
UD2
UD1
UD0
N.C.
N.C.
N.C.
CLKINV
CLKIN
DVSS
DVDD
D7
D6
D5
D4
D3
D2 (17)
N.C. (18)
[AK8817/18]
I/O
-
-
P
O
O
O
O
O
O
O
-
-
-
I
I
G
P
I
I
I
I
I
I
-
-
I
I
I
I
P
For normal operation, left open.
For normal operation, left open.
Analog power supply pin.
Functional Outline
IREF output pin. Connect this pin to Analog ground via a 12k ohm resistor
( better than +/- 1% accuracy ).
On-chip VREF output pin.
AVSS level is output on this pin at PDN = L.
Connect this pin to Analog Ground via a 0.1 uF or larger capacitor.
Test output pin. For normal operation, left open.
Test output pin. For normal operation, left open.
Test output pin. For normal operation, left open.
Test output pin. For normal operation, left open.
Test output pin. For normal operation, left open.
For normal operation, left open.
For normal operation, left open.
For normal operation, left open.
Internal clock is inverted (internal operation timing edge is inverted.)
Connect to either DVDD or DGND.
Clock input pin.
Input a clock which is synchronized with data.
When to input 601 data : 27 MHz.
When to input square pixel data : 24.5454 MHz ( NTSC )/ 29.50 MHz ( PAL )
Digital ground pin (digital core ground).
Digital power supply pin (digital core power supply).
Data Video Signal input pin (MSB).
Hi-Z input is acceptable to this pin at PDN = L.
Data Video Signal input pin.
Hi-Z input is acceptable to this pin at PDN = L.
Data Video Signal input pin.
Hi-Z input is acceptable to this pin at PDN = L.
Data Video Signal input pin.
Hi-Z input is acceptable to this pin at PDN = L.
Data Video Signal input pin.
Hi-Z input is acceptable to this pin at PDN = L.
AK8817: Video Data Signal input pin.
Hi-Z input is acceptable to this pin at PDN = L.
AK8818:
N.C.
F
or normal operation, left open.
N.C.
N.C.
N.C. (17)
D2 (18)
TEST
D1
D0
PVDD
For normal operation, left open.
For normal operation, left open.
AK8817: N.C.
F
or normal operation, left open.
AK8818: Video Data Signal input pin.
Hi-Z input is acceptable to this pin at PDN = L.
For normal operation, connect to ground.
Data Video Signal input pin.
Hi-Z input is acceptable to this pin at PDN = L.
Data Video Signal input pin (LSB).
Hi-Z input is acceptable to this pin at PDN = L.
Power supply pin for chip pad.
Rev.001E
7
2009 / 12
AKM [ ASAHI KASEI MICROSYSTEMS ]
