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TSC2301IPAGR Datasheet(PDF) 7 Page - Texas Instruments |
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TSC2301IPAGR Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 95 page  www.ti.com TSC2301 SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004 PIN DESCRIPTION (continued) VFBGA TQFP I/O NAME DESCRIPTION BALL PIN Slave select input (active low). Data is not clocked into MOSI unless SS is low. B2 16 I SS When SS is high, MISO is high impedance. B1 17 I SCLK SPI clock input C2 18 I MOSI SPI data input. Data is clocked in at SCLK rising edge SPI data output. Data is clocked out at SCLK falling edge. High impedance when C1 19 O MISO SS is high. D2 20 O DAV Data available (active low). D1 21 I COI Crystal input E2 22 O COO Crystal output E1 23 I MCLK Master clock input for audio codec F2 24 I BCLK I2S bit clock F1 25 I LRCLK I2S left/right clock G1 26 I I2SDIN I2S serial data in G2 27 O I2SDOUT I2S serial data out H1 28 I DVDD Digital voltage supply J1 29 I DGND Digital ground J2 30 O KBIRQ Keypad interrupt (active low). Indicates a key has been depressed K1 31 I RESET Device reset (active high) K2 32 O R1 Keypad row 1 L2 33 O R2 Keypad row 2 K3 34 O R3 Keypad row 3 L3 35 O R4 Keypad row 4 K4 36 I C1 Keypad column 1 L4 37 I C2 Keypad column 2 K5 38 I C3 Keypad column 3 L5 39 I C4 Keypad column 4 L6 40 I LLINEIN Left-channel analog input to audio codec L7 41 I RLINEIN Right-channel analog input to audio codec K7 42 I MICIN Analog input from microphone L8 43 O MICBIAS Bias voltage output K8 44 O VCM Common-mode voltage bypass capacitor L9 45 O AFILTR Right-channel audio ADC antialiasing filter capacitor K9 46 O AFILTL Left-channel audio ADC antialiasing filter capacitor L10 47 I VREF+ Audio codec positive reference voltage K10 48 I VREF- Audio codec negative reference voltage K11 49 O MONO+ Mono differential output J10 50 O MONO- Mono differential output J11 51 O VOUTR Audio right line output H10 52 O VOUTL Audio left line output H11 53 I AGND Analog ground G10 54 I AVDD Analog supply G11 55 O HPL Headphone amplifier left output F10 56 O HPR Headphone amplifier right output F11 57 I HPGND Analog ground for headphone amplifier and touch screen circuitry E11 58 I X- X- position input E10 59 I Y- Y- position input D11 60 I X+ X+ position input 7 |
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