전자부품 데이터시트 검색엔진 |
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TSC2300IPAGR 데이터시트(PDF) 7 Page - Texas Instruments |
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TSC2300IPAGR 데이터시트(HTML) 7 Page - Texas Instruments |
7 / 81 page www.ti.com TSC2300 SLAS372 — NOVEMBER 2002 PIN DESCRIPTION (continued) PIN I/O NAME DESCRIPTION 15 I DGND Digital ground 16 I SS Slave select input (active low). Data is not clocked into DIN unless SS is low. When SS is high, MOIS is high impedance. 17 I SCLK SPI clock input 18 I MOSI SPI data input. Data is clocked in at SCLK rising edge 19 O MISO SPI data output. Data is clocked out at SCLK falling edge. High impedance when SS is high. 20 O DAV Data available (active low). 21 I COI Crystal input 22 O COO Crystal output 23 I MCLK Master clock input for audio codec 24 I BCLK I2S bit clock 25 I LRCLK I2S left/right clock 26 I I2SDIN I2S serial data in 27 O I2SDOUT I2S serial data out 28 I DVDD Digital voltage supply 29 I DGND Digital ground 30 O KBIRQ Keypad interrupt (active low). Indicates a key has been depressed 31 I RESET Device reset (active high) 32 O R1 Keypad row 1 33 O R2 Keypad row 2 34 O R3 Keypad row 3 35 O R4 Keypad row 4 36 I C1 Keypad column 1 37 I C2 Keypad column 2 38 I C3 Keypad column 3 39 I C4 Keypad column 4 40 I LLINEIN Left-channel analog input to audio codec 41 I RLINEIN Right-channel analog input to audio codec 42 I MICIN Analog input from microphone 43 O MICBIAS Bias voltage output 44 O VCM Common-mode voltage bypass capacitor 45 O NC No connection 46 O AFILT Audio ADC antialiasing filter capacitor 47 I VREF+ Audio codec positive reference voltage 48 I VREF- Audio codec negative reference voltage 49 O MONO+ Mono differential output 50 O MONO- Mono differential output 51 O VOUTR Audio right line output 52 O VOUTL Audio left line output 53 I AGND Analog ground 54 I AVDD Analog supply 55 O HPL Headphone amplifier left output 56 O HPR Headphone amplifier right output 57 I HPGND Analog ground for headphone amplifier and touch screen circuitry 58 I X- X- position input 59 I Y- Y- position input 7 |
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