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AD6315Q 데이터시트(PDF) 2 Page - Anachip Corp |
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AD6315Q 데이터시트(HTML) 2 Page - Anachip Corp |
2 / 16 page AD6315 1/4- to 1/12 Duty VFD Controller/Driver Anachip Corp. www.anachip.com.tw Rev. A5 Dec 29, 2003 2/16 Pin Descriptions Symbol Name No. Description DIN Data input 7 Input serial data at rising edge of shift clock, starting from the low order bit. DOUT Data output 6 Output serial data at the falling edge of the shift clock, starting from low order bit. This is N-ch open-drain output pin. STB Strobe 9 Initializes serial interface at the rising or falling edge of the AD6315. It then waits for reception of a command. Data input after STB falling is processed as a command. While command data is processed, current processing is stopped, and the serial interface is initialized. While STB is high, CLK is ignored. CLK Clock input 8 Reads serial data at the rising edge, and outputs data at the falling edge. OSC Oscillator pin 5 Connect resistor in between this pin and Vss to set up the oscillation frequency. Seg1/KS1 to Seg16/KS16 High-voltage output (Segment) 14 to 29 Segment output pins (Dual function as key source) Grid1 to Grid4 High-voltage output (Grid) 39 to 42 Grid output pins Seg17/Grid12 to Seg24/Grid5 High-voltage output (Segment/grid) 31 to 38 These pins are selectable for segment or grid driving. LED1 to LED4 LED output 1 to 4 CMOS output KEY1, KEY2 Key data input 10, 11 Data input to these pins is latched at the end of the display cycle. VDD Logic power 13, 43 Logic power supply VSS Logic ground 12, 44 Connect this pin to system GND. VEE Pull-down level 30 Driver power supply Ordering Information AD6315X X X Packing Blank : Tray Q: QFP-44L L : LQFP-44L Package Lead Blank: Normal F: Lead Free |
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