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