مدار مجتمع (آی سی) آی‌سی صوتی ویژه

Product Attributes

Introduction

The DA14195 is a low-power CMOS IC audio processor, optimized for applications like USB headset, headphones, and Bluetooth headsets. It features Arm M0, Tensilica HiFi-3 DSP, integrated battery management, clock oscillators, various digital audio interfaces like USB 2.0, I2S and SPDIF. Program storage resides in a 6-pin Quad SPI (QSPI) Serial Flash.

Features

• Processing power
  • 32 kHz up to 165.888 MHz 32-bit Arm Cortex-M0 with 8 kB I/D 4-way associative cache
  • 290.304 MHz 32 bits Tensilica LX4/HiFi-3 DSP
  • 3 Stereo Hardware Sample Rate converter
  • 4 ch SYS-DMA, 12 ch DSP-DMA controllers
  • Crypto engine supporting AES128/256, ECB with CBC and CTR modes and HASH-256 with Random Number Generator, FIPS140-2 compliant
• Development/Debug support
  • Arm 2-wire SWD with 8 hardware breakpoints and 2 watch points
  • Arm instruction and DSP event trace
  • DSP debugger with 1 and 5-wire JTAG interfaces
• Memories
  • 64 kB shared System RAM
  • 256 kB multi bank shared DSP-RAM
  • 32 Byte OTP with factory programmed timestamp
• Power management
  • 1.9 to 5 V Battery voltage, 1.2 V Core voltage
  • Integrated DCDC step-down converter to 1.4 V
  • 4 Independent VDDIO pin groups 1.8 V to 3.45 V
  • Integrated Battery Charging circuit for Li-Ion/LiPo with NTC protection circuit
• Analog interfaces
  • 2 input 10-bit ADC
  • Integrated Temperature sensor
  • Brown-out supply voltage detectors
  • USB Charging detection (Complies with Battery Charging Specification, V1.2)
• Oscillators and PLLs
  • 26/20.736 MHz Crystal oscillator with low power mode
  • 16 MHz RC oscillator for low power mode
  • 32.768 kHz XTAL oscillator output
  • 32 kHz RC oscillator
  • 290.304 MHz SYS-PLL, 48 MHz PLL for USB
• Digital interfaces
  • USB 2.0 HS/FS Device MAC/PHY with DMA
  • 82.944 MHz, 1.8 - 3.3 V Quad SPI interface
  • 27 I/Os with slope control and Programmable Pin Assignment
  • 3 backdrive protected PADs for LEDs
  • Keyboard interface with debouncing per pin
  • 2 UART Full duplex 9.6 - 812.5 kBaud with FIFO DMA support and Hardware flow control
  • SPI interface 20.736 MHz (Master/Slave)
  • I2C 100 kHz, 400 kHz (Master/Slave)
  • 2 PCM Interface, 2×32 bits, 192 kHz M/S, I2S
  • 3xZ channel PDM I/O for digital microphones
  • S/PDIF analog/digital stereo I/O

Applications

• USB headset
• headphones
• Bluetooth headsets