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PCM9211PTR

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Texas Instruments Audio Interface ICs, TQFP-48(7x7). Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

markdown

PCM9211PTR

Texas Instruments · Audio Interface ICs · TQFP-48(7x7)

PCM9211PTR from Texas Instruments, in a TQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 ERROR/INT0 output DIR error detection output or interrupt 0 output; function selected via register 20h/ERRSEL
2 NPCM/INT1 output DIR non-PCM detection output or interrupt 1 output; function selected via register 20h/NPCMSEL
3 MPIO_A0 bidirectional Multipurpose I/O pin group A, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
4 MPIO_A1 bidirectional Multipurpose I/O pin group A, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
5 MPIO_A2 bidirectional Multipurpose I/O pin group A, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
6 MPIO_A3 bidirectional Multipurpose I/O pin group A, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
7 MPIO_C0 bidirectional Multipurpose I/O pin group C, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
8 MPIO_C1 bidirectional Multipurpose I/O pin group C, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
9 MPIO_C2 bidirectional Multipurpose I/O pin group C, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
10 MPIO_C3 bidirectional Multipurpose I/O pin group C, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
11 MPIO_B0 bidirectional Multipurpose I/O pin group B, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
12 MPIO_B1 bidirectional Multipurpose I/O pin group B, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
13 MPIO_B2 bidirectional Multipurpose I/O pin group B, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
14 MPIO_B3 bidirectional Multipurpose I/O pin group B, 5V tolerant Schmitt trigger input with configurable signal output function per register 6Fh
15 MPO0 output Multipurpose output 0; configurable output signal per register 78h/MPO0SEL[3:0]
16 MPO1 output Multipurpose output 1; configurable output signal per register 78h/MPO1SEL[3:0]
17 DOUT output Main output port serial digital audio data output; changes on falling edge of BCK
18 LRCK output Main output port LR clock output; left/right channel word clock at frequency fS
19 BCK output Main output port bit clock output at 64fS; typical range 0.448 to 13.824 MHz
20 SCKO output Main output port system clock output at 128fS, 256fS, or 512fS; typical range 0.896 to 55.296 MHz
21 DGND power_in Ground for digital circuitry; must be connected to ground plane
22 DVDD power_in Power supply for digital circuitry; 3.3V nominal (2.9V to 3.6V) with minimum 0.1µF and 10µF bypass capacitors
23 MDO/ADR0 bidirectional SPI data output or I2C slave address bit 0; open-drain configuration in I2C mode, 5V tolerant
24 MDI/SDA bidirectional SPI data input or I2C serial data line; open-drain configuration in I2C mode, 5V tolerant Schmitt trigger input
25 MC/SCL input SPI clock input or I2C serial clock line; 5V tolerant Schmitt trigger input
26 MS/ADR1 input SPI chip select or I2C slave address bit 1; active low, 5V tolerant Schmitt trigger input
27 MODE input Control mode setting pin; selects SPI or I2C interface, sampled at power-on reset or external reset
28 RXIN7/ADIN0 input S/PDIF biphase signal input 7 or AUXIN0 serial audio data input; 5V tolerant Schmitt trigger
29 RXIN6/ALRCKI0 input S/PDIF biphase signal input 6 or AUXIN0 LR clock input; 5V tolerant Schmitt trigger
30 RXIN5/ABCKI0 input S/PDIF biphase signal input 5 or AUXIN0 bit clock input; 5V tolerant Schmitt trigger
31 RXIN4/ASCKI0 input S/PDIF biphase signal input 4 or AUXIN0 system clock input; 5V tolerant Schmitt trigger
32 RXIN3 input S/PDIF biphase signal input 3; 5V tolerant Schmitt trigger input
33 RXIN2 input S/PDIF biphase signal input 2; default DIR input, 5V tolerant Schmitt trigger
34 RST input Reset input active low with internal 50kΩ pulldown; 5V tolerant Schmitt trigger, minimum pulse width 1µs
35 RXIN1 input S/PDIF biphase signal input 1 with built-in coaxial amplifier; minimum 0.15VPP, 5V tolerant
36 VDDRX power_in Power supply for RXIN0 and RXIN1 coaxial input amplifiers; 3.3V nominal (2.9V to 3.6V)
37 RXIN0 input S/PDIF biphase signal input 0 with built-in coaxial amplifier; minimum 0.15VPP, 5V tolerant
38 GNDRX power_in Ground for S/PDIF coaxial input amplifier circuits
39 XTI input Oscillator circuit input for 24.576MHz crystal resonator or external CMOS clock; Schmitt trigger input
40 XTO output Oscillator circuit output for crystal resonator connection; no external loads permitted
41 AGND power_in Ground for PLL analog and DIR analog circuits; must connect closely to device
42 VCC power_in Analog power supply for PLL and DIR circuits; 3.3V nominal (2.9V to 3.6V) with low noise and ripple
43 FILT output External PLL loop filter connection terminal; requires RC filter with R=680Ω, C1=0.068µF, C2=0.0047µF
44 VCOM output ADC common voltage output at 0.5VCCAD with 7-12.5kΩ output impedance; must connect external decoupling capacitor
45 AGNDAD power_in Ground for ADC analog circuits
46 VCCAD power_in Analog power supply for ADC circuits; 5.0V nominal (4.5V to 5.5V) with minimum 0.1µF and 10µF bypass capacitors
47 VINL input ADC analog voltage input left channel; 0.6VCCAD VPP at 10kΩ input impedance with anti-aliasing filter
48 VINR input ADC analog voltage input right channel; 0.6VCCAD VPP at 10kΩ input impedance with anti-aliasing filter

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TQFP-48(7x7)
Category Interface
Pins 48

CAD (KiCad official)

  • Symbol: PCM9211PTR
  • Footprint: Package_QFP:TQFP-48_7x7mm_P0.5mm
  • 3D model: TQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: pcm9211ptr-etched.step / pcm9211ptr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pcm9211ptr.step / pcm9211ptr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (134 pp, sha256 ebae63bdf93d4d5e, retrieved 2026-09-22, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF