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AK8818VQ Datasheet(PDF) 8 Page - Asahi Kasei Microsystems |
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AK8818VQ Datasheet(HTML) 8 Page - Asahi Kasei Microsystems |
8 / 50 page 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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