Texas Instruments TA 5 1 Q15B5EVM-K Series Bedienungsanleitung
EVM User's Guide: TAC5412Q15B5EVM-K TAC5411Q15B5EVM-K
TAA5412Q15B5EVM-K
TAx5x1xQ15B5EVM-K Evaluation Module
Description
This user guide describes the functionality of
the TAC5412Q15B5EVM-K, TAC5411Q15B5EVM,
or TAA5412Q15B5EVM-K evaluation kit. The
TAx5x1xQ15B5EVM-K evaluation module (EVM)
allows the user to test the capabilities of
Texas Instruments’ two-channel high-performance
ADC TAA5412-Q1, a two-channel TAC5412-Q1 or
TAC5411-Q1, a single-channel high-performance
codec. Other variants listed in Table 1-1 are also
supported where users will replace the U1 unit with
the device of interest. The evaluation module is paired
with the AC-MB, a flexible motherboard that provides
power, control, and digital audio data to the evaluation
module.
Get Started
1. Order the EVM from the TAx5x12 product folder.
2. Download the latest TAx5x12 data sheet.
3. Request access and download the PPC3 GUI
from the TAx5x12 product folder.
Features
• Complete evaluation kit for the TAC5x12-Q1
(two-channel codec), TAC5x11-Q1 (single-channel
codec), or TAA5412-Q1 (two-channel ADC).
• High-performance mono/stereo codec dynamic
range: 120 dB DAC and 110 dB ADC or standard
performance 106 dB DAC and 102 dB ADC
• On-board microphones provided for voice
recording testing
• Direct access to digital audio signals and control
interface for simple end-system integration
• USB connection to PC provides power, control,
and streaming audio data for easy evaluation
• On-board diagnostic scenarios for analog audio
input
Applications
•Emergency E-Call
•Telematics control unit
•Automotive active noise cancellation
•Automotive head units
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TAx5x1xQ15B5EVM-K Evaluation Module 1
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1 Evaluation Module Overview
1.1 Introduction
The TAx5x1XQ15B5EVM is an evaluation module (EVM) designed to demonstrate the performance and
functionality of the TAx5x1x-Q1 family of devices. This family includes the devices shown in Table 1-1 with
differences in performance and function noted.
Table 1-1. TAx5x1x-Q1 Family
Device ADC DR (dB) DAC DR (dB) Feature
TAC5412-Q1 110 120 Stereo codec
TAC5411-Q1 110 120 Mono codec
TAC5312-Q1 102 106 Stereo codec
TAC5311-Q1 102 106 Mono codec
TAA5412-Q1 110 NA Stereo ADC
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1.2 Kit Contents
• TAC5412-Q1, TAC5411-Q1 or TAA5412-Q1 device
• TAx5x1XQ15B5 EVM/daughterboard
• AC-MB controller/motherboard
1.3 Specification
The TAx5x1XQ15B5EVM-K evaluation module (EVM) paired with the AC-MB, a flexible motherboard that
provides power, control, and digital audio data to the evaluation module, allows the user to record and playback
audio signals. The configuration for the TAx5x1x-Q1 family of devices is done through the PurePath™ Console 3
(PPC3) GUI.
1.4 Device Information
• TAC5412-Q1, a low-power, high-performance, stereo audio codec with integrated programmable boost, mic
bias, and diagnostics.
• TAC5411-Q1, a low-power, high-performance, mono audio codec with integrated programmable boost, mic
bias, and diagnostics.
• TAC5312-Q1, a low-power stereo audio codec with integrated programmable boost, mic bias, and
diagnostics.
• TAC5311-Q1, a low-power mono audio codec with integrated programmable boost, mic bias, and diagnostics.
• TAA5412-Q1, a low-power, high-performance, stereo audio ADC with integrated programmable boost, mic
bias, and diagnostics.
2 Hardware Overview
The evaluation kit consists of the TAx5x1XQ15B5EVM daughterboard and the AC-MB controller board. The
controller board provides the evaluation module power, control, and digital audio signals. The daughterboard
contains the TAx5x12-Q1 device and the input and output connections. Some components are not populated in
the EVM depending on the selected device.
USB Power
Selection
+5 V
USB Data
USB Vbus
S/PDIF Out
S/PDIF IN
VINL/R
SPI
I2C
XMOS ASI
9211 ASI
External
Power
+5-V Input
Level
Translator
Buffer
Mux AC-MB ASI EVM ASI
+3.3 V
+1.8 V
+1 V
Power-On Reset
JTAG
IOVDD
Selection
IOVDD
/POR
/RESET_SW
/RESET
AC_MB_EVM_Connector
IOVDD
+5 V
MCLK
BCLK
FSYNC
DIN 1-4
DOUT 1-4
SDA
SCL
MISO
MOSI
SCLK
/SS 1-2
/RESET
GPI 1-2
GPO 1-2
GPIO
XMOS
Interface
PCM9211
Interface
Optical Input
Optical Output
Analog Input
USB
XTAG
Power-On Reset
TAC5XXX
5x5
IC ASI
GPIO1
IC I2C
LDO
+3.3 V
BOOST VBATIN
VBAT
Selection
DIAGNOSTIC
INPUT
SELECTION
INX
+5 V
IOVDD
+1.2 V
AVDD
Selection
+1.8 V
BSTVDD
Selection
AVDD +3.3 V
AC_MB EVM
Power Rails
Main
Rest
External ASI
Connector
Digital Audio
Selection Switch
I2C and SPI
Test Points
AUDIO INPUT
CONNECTION
AUDIO OUTPUT
CONNECTION
HEADER
VBAT
IOVDD
AVDD
BSTVDD
OUTX
GPOXA
HEADER HEADER
I2S
Selection
EXT-AP
DIGMIC
HEADER
GPIO1
Figure 2-1. TAx5x1xQ1 EVM Block Diagram
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2.1 AC-MB Settings
2.1.1 Audio Serial Interface Settings
The AC-MB provides the digital audio signals to the evaluation module (EVM) from the universal serial bus
(USB), optical jack, stereo audio jack, and external audio serial interface (ASI) header. Figure 2-2 shows a block
diagram of the ASI routing on the AC-MB.
Figure 2-2. AC-MB Audio Interface Block Diagram
The SW2 switch on the AC-MB selects the audio serial bus that interfaces with the PCM6xx0EVM. Next to the
SW2 switch, the AC-MB has a quick reference table to identify the audio serial interface source options and
switch settings. The AC-MB acts as the controller for the audio serial interface. The AC-MB has three different
modes of operation: USB, optical or analog, or external ASI.
The serial interface clocks and data are provided from the USB interface. The USB audio class driver on the
operating system determines the sampling rate and format. The default settings for the USB audio interface
are 32-bit frame size, 48-kHz sampling rate, BCLK and FSYNC ratio of 256, and the format is time-division
multiplexing (TDM).
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2.1.1.1 USB Mode
The OS detects the AC-MB as an audio device named TI USB Audio UAC2.0. Figure 2-3 shows the AC-MB
audio setting for the USB mode of operation.
Figure 2-3. AC-MB USB Audio Setting
2.1.1.2 Optical or Auxiliary Analog Audio Input Mode
Serial interface signals are provided from the PCM9211 digital transceiver, which is capable of sending digital
data to the EVM from an analog input or optical input. Meanwhile, the data from the EVM can be streamed
through the optical output.
Figure 2-4 shows the AC-MB audio setting for the optical and analog mode of operation.
Figure 2-4. AC-MB Optical or Auxiliary Analog Audio Input Setting
The optical output of the AC-MB streams the data captured on the EVM with the format determined by the input
source used. When there is an optical input connected, the LOCK LED must be ON. The PCM9211 streams
the audio serial interface clocks with the format determined by the optical input frame. The digital data from
the optical input is streamed to the EVM. If the optical input is not connected, the PCM9211 captures the input
signal provided through the analog input, and streams the signal to the EVM. This feature can be useful when
a digital input digital-to-analog converter (DAC) is connected to the AC-MB, providing an analog input for quick
evaluation. In auxiliary analog audio mode, the audio serial interface format is fixed to a 24-bit, 48-kHz, I2S
mode.
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2.1.1.3 External Audio Interface Mode
In this mode, the audio serial interface clocks for the evaluation board are provided through connector J7 from
an external source. This architecture allows an external system to communicate with the evaluation board,
such as a different host processor or test equipment (Audio Precision™). The clocks generated from the USB
interface and PCM9211 are isolated with this setting. Figure 2-5 shows the AC-MB audio setting for the external
mode of operation.
Figure 2-5. AC-MB External Audio Interface Setting
Figure 2-6 shows how to connect the external audio interface. Odd-numbered pins are signal-carrying; even-
numbered pins are connected to ground.
Figure 2-6. AC-MB Connection with External Audio Serial Interface
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2.1.2 AC-MB Power Supply
A single 5-V power supply powers the complete evaluation module system. However, the motherboard has
different low-dropout regulators (LDOs) integrated that provide the required power supply to the different blocks
of the board. Figure 2-7 shows a block diagram depicting the power structure of the AC-MB.
USB Power
Selection
+5 V
USB Vbus
External
Power
+5-V Input
+3.3 V
+1.8 V
+1 V
Power-On Reset
IOVDD
Selection
IOVDD IOVDD
+5 V
USB
+1.2 V
Power Rails
TO EVM
J9 J3
J4
J1
J5
Figure 2-7. Power-Supply Distribution of the AC-MB
The AC-MB can be powered from the host computer using the USB 5-V power supply (VBUS) by shorting
header J5, USB POWER. Additionally, the AC-MB can be powered from an external power supply connected to
terminal J4, EXTERNAL POWER. Header J5 must be open for external supply operation. The IOVDD voltage for
the digital signals provided to the EVM is generated on the motherboard from the main power supply (USB or
external).
The voltage levels available are 1.2 V, 1.8 V, and 3.3 V and can be selected via the J9 and J3 IOVDD header.
For 1.2-V operation, short pin 1 of header J9 and pin 2 of header J3; for 1.8-V operation, short pins 2 and 3 of
header J3; for 3.3-V operation, short pins 1 and 2 of header J3. The green POWER LED (D3) turns ON when the
motherboard is fully powered and the power supplies from the onboard LDOs are correct. The USB READY LED
indicates a successful USB communication between the AC-MB and the host computer.
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2.2 TAx5x1xQ1EVM-K Hardware Settings
2.2.1 TAx5x1x-Q1 EVM Input Hardware Settings
The TAx5x1x-Q1 evaluation module has several input configuration options. The EVM allows the user to
evaluate the device across multiple operation modes. The different operation modes are highlighted in this
section.
Figure 2-8. TAx5x12-Q1 EVM Input Architecture for Channel 1 and 2
The IN1 and IN2 input architecture allows these two channels to be quickly configured to support any of the
supported operation modes. The INxP and INxM pins of the TAx5x1x-Q1 can optionally connect to onboard
microphones for quick evaluation of a microphone in AC or DC-coupled modes. Jumper configuration details can
be found in Table 2-1.
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For TAC5x11-Q1 evaluation module, the DIN1P and DIN1M can be connected to IN1P and IN1M respectively
through jumper J63 and J64 as shown in Figure 2-9. Only IN1 Input Terminal is applicable in this evaluation
module from the configuration table below.
Figure 2-9. TAC5x11-Q1 EVM Input Architecture for Channel 1 and DIN1P/M
Table 2-1. Input Jumper Configuration
Input Terminal Input Mode Installed
Jumpers
Uninstalled
Jumpers
Input Swing Topology Register Setting
IN1 LINE-IN
Differential, AC-
coupled
J8, J20, J21 J4, J5, J6, J11,
J12, J15, J16
10 VRMS B0_P0_R80,
B0_P1_R115
LINE-IN Single-
ended, AC-
coupled
J6, J8, J12 (2-3),
J20, J21
J4, J5, J11, J15,
J16
5 VRMS B0_P0_R80,
B0_P1_R115
LINE-IN
Differential, DC-
coupled
J15, J16 J4, J5, J6, J11,
J12, J20, J21,
J8 (DUT MICBIAS
is not used)
10 VRMS B0_P0_R80
LINE-IN Single-
ended, DC-
coupled
J6, J12 (2-3), J15,
J16
J4, J5, J11, J20,
J21, J8 (DUT
MICBIAS is not
used)
5 VRMS B0_P0_R80
On-board Electret
Condenser
Microphone
(ECM) Differential,
AC-coupled
J4, J5, J8, J11,
J12 (1-2), J20, J21
J6, J15, J16 Refer to
Microphone data
sheet
B0_P0_R80,
B0_P1_R115
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Table 2-1. Input Jumper Configuration (continued)
Input Terminal Input Mode Installed
Jumpers
Uninstalled
Jumpers
Input Swing Topology Register Setting
On-board Electret
Condenser
Microphone
(ECM) Single-
ended, AC-
coupled
J4, J5, J8, J11,
J12 (2-3), J20
J6, J15, J16, J21 Refer to
Microphone data
sheet
B0_P0_R80,
B0_P1_R115
On-board Electret
Condenser
Microphone
(ECM) Differential,
DC-coupled
J4, J5, J8, J11,
J12 (1-2), J15, J16
J6, J20, J21 Refer to
Microphone data
sheet
B0_P0_R80,
B0_P1_R115
On-board Electret
Condenser
Microphone
(ECM) Single-
ended, DC-
coupled
J4, J5, J8, J11,
J12 (2-3), J15, J16
J6, J20, J21 Refer to
Microphone data
sheet
B0_P0_R80,
B0_P1_R115
IN2 LINE-IN
Differential, AC-
coupled
J8, J22, J23 J7, J9, J13, J14,
J17, J18, J53
10 VRMS B0_P0_R85,
B0_P1_R115
LINE-IN Single-
ended, AC-
coupled
J7, J8, J14 (2-3),
J22, J23
J9, J13, J17, J18,
J53
5 VRMS B0_P0_R85,
B0_P1_R115
LINE-IN
Differential, DC-
coupled
J17, J18 J7, J9, J13, J14,
J22, J23, J53, J8
(DUT MICBIAS is
not used)
10 VRMS B0_P0_R85
LINE-IN Single-
ended, DC-
coupled
J7, J14 (2-3), J17,
J18
J9, J13, J22, J23,
J53, J8 (DUT
MICBIAS is not
used)
5 VRMS B0_P0_R85
On-board
Analog MEMS
microphone, AC-
coupled
J8, J9, J22, J23,
J53
J7, J13, J14, J17,
J18
Refer to the
Microphone data
sheet.
B0_P0_R85,
B0_P1_R115
On-board
Analog MEMS
microphone, DC-
coupled
J9, J17, J18, J53 J7, J13, J14, J22,
J23, J8 (DUT
MICBIAS is not
used)
Refer to the
Microphone data
sheet.
B0_P0_R85,
B0_P1_R115
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