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AK8818VQ Datasheet(PDF) 8 Page - Asahi Kasei Microsystems

Part # AK8818VQ
Description  NTSC/PAL Digital Video Encoder
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK8818VQ Datasheet(HTML) 8 Page - Asahi Kasei Microsystems

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ASAHI KASEI
[AK8817/18]
Rev.001E
8
2009 / 12
Pin#
Pin Name
I/O
Functional Outline
31
PVSS
G
Ground pin for PVDD.
32
VDI
I
Vertical SYNC signal input pin.
Hi-Z input is acceptable to this pin at PDN = L.
33
HDI
I
Horizontal SYNC signal input pin.
Hi-Z input is acceptable to this pin at PDN = L.
34
SDA
I/O
I2C data pin.
This pin is pulled-up to PVDD.
Hi-Z input is possible when PDN is at low.
SDA input is not accepted during the reset sequence operation.
35
SCL
I
I2C clock input pin
An input level of lower-than-PVDD should be input.
Hi-Z input is possible when PDN is at low.
SCL input is not accepted during the reset sequence operation.
36
N.C.
-
For normal operation, left open.
37
ATPG
I
For normal operation, connect to ground.
38
PDN
I
Power Down Pin. After returning from PD mode to normal operation, RESET
Sequence should be done to AK8817/18VQ.
“L “(GND level): Power-down
“H “: normal operation
39
RSTN
I
Reset input pin. In order to initialize the device , an initialization must be made in
accordance with the reset sequence.
“L “ : reset
“H “ : normal operation
Hi-Z input is acceptable to this pin at PDN = L.
40
DVSS
G
Digital ground pin (digital core ground).
41
DVDD
P
Digital power supply pin (digital core power supply).
42
N.C.
-
For normal operation, left open.
43
VOUT
O
Video output pin.
44
BVSS
G
Substrate ground pin.
Connect this pin to Analog ground
45
SAG
O
SAG Compensation Input pin
46
AVSS
G
Analog ground pin.
47
DACOUT
O
DAC output pin. Connect this pin to Analog ground via a 390 ohm resistor
( better than +/- 1% accuracy ).
48
N.C.
-
For normal operation, left open.
Analog Output pin status
MODE / PIN name
IREF
VREF
DACOUT
VOUT
PDN=L
Hi-Z
Hi-Z
Hi-Z
Hi-Z
PDN=H、DAC=L
VIDEOAMP=L
Output
Outpu
Hi-Z
DAC Power Down
Hi-Z
VIDEOAMP Power Down
PDN=H、DAC=H
VIDEOAMP=L
Output
Output
Output
VIDEOAMP Power Down(1)
PDN=H、DAC=H
VIDEOAMP=H
Output
Output
Output
Output
DAC: Sub Address 0x00 bit7 0: L->DACOFF 1: H->DACON
VIDEOAMP: Sub Address 0x01 bit3,4 00: L->VIDEOAMP_OFF 01,10: H-> VIDEOAMP_ON
Note1) Video Amp becomes power down. Since DACOUT pin and VOUT pin are connected with RESISTOR in the LSI,
DACOUT pin are not Hi-Z. In case of using only DAC, VOUT pin and SAG pin should be open states.


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