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AKD4185 Datasheet(PDF) 3 Page - Asahi Kasei Microsystems |
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AKD4185 Datasheet(HTML) 3 Page - Asahi Kasei Microsystems |
3 / 30 page [AK4185] PIN/FUNCTION No. Pin Name I/O Function C2 DIN I Serial Data Input Data is clocked on the rising edge of SCLK. Must keep “L” while not issuing command. B2 CSN I Chip Select Input Enables writing data to registers when CSN = “L”. D1 SCLK I Serial Clock Input A2 VDD - Power Supply and External Reference Input: 1.6V ~ 3.6V XP I/O Touch Panel X+ Input (4-wire, PANEL bit = “0”) A3 BR I/O Touch Panel Bottom Right Input (5-wire, PANEL bit = “1”) YP I/O Touch Panel Y+ Input (4-wire, PANEL bit = “0”) B3 TR I/O Touch Panel Top Right Input (5-wire, PANEL bit = “1”) XN I/O Touch Panel X- Input (4-wire, PANEL bit = “0”) C3 TL I/O Touch Panel Top Left Input (5-wire, PANEL bit = “1”) YN I/O Touch Panel Y- Input (4-wire, PANEL bit = “0”) D3 BL I/O Touch Panel Bottom Right Input (5-wire, PANEL bit = “1”) D2 VSS - Ground IN I Auxiliary Analog Input (4-wire, PANEL bit = “0”) A1 WIPER I Top Touch Panel Input (5-wire, PANEL bit = “1”) B1 PENIRQN O Pen Interrupt Output (CMOS output) The PENIRQN pin is “L” when touch-screen press is detected and CSN = “H”. This pin is always “H” irrespective of touch-screen press when pen interrupt is not enabled. C1 DOUT O Serial A/D Data Output Data is clocked at SCLK falling edge. This pin is Hi-Z when CSN keeps “H”. Note 1. All digital input pins (DIN, CSN, SCLK) must not be left floating. MS0954-E-05 2010/10 - 3 - |
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