OTK5285

发布时间：2021-08-04 10:05:23浏览次数：来源于：未知

1.3 KEY FEATURES

 Bluetooth Radio

 Bluetooth v5.1 DM (Classic and Low Energy) transceiver

Classic BT

- 1M basic rate, EDR 2M, EDR 3M

- Sensitivity is more than -94dBm for EDR 2M

Low Energy

- 1Mbps, 2Mbps, 500kbps, 125kbps

- Advertisement Extension

 Transmitting power is up to 10dBm

 Optimization in wireless audio broadcasting and stereo audio streaming

 Trimming audio clock to synchronize wireless audio streaming

 Streaming audio from left channel to right channel without any conversion tokeep original quality

 CEVA BT DM 5.0 Baseband
 

BT Profile, Stack and features

 Latest profiles supported

- SPP 1.2

- RFCOMM 1.2

- A2DP 1.3

- AVRCP 1.6

- GAVDP 1.3

- AVDTP 1.3

- AVCTP 1.4

- HFP 1.7

- PBAP 1.2

 Proven for years in global market

 Based on the previous generation SoC profile and stack

 WCI-2 and WLAN Coexistence are supported
 

Processor and DSP

 Dual-core architecture

 Tensilica HiFi 3 DSP

- Easy development by C/C++

- On top of that LX7 processor

- Two 32 x 32 MAC

- Four 24 x 24 MAC

- Circular Buffer

- Fully programable

 Tensilica LX7 processor

- High efficiency and low power 32-bit RISC

- Easily development by C/C++

 Memory

- Embedded instruction and data cache

- 352KB RAM for instruction and data

- 816KB ROM

- Embedded 16Mb SPI NOR flash
 

CODEC

 SBC CODEC

 FastStream CODEC

 mSBC CODEC with Packet Loss Concealment for voice processing

 MP3 CODEC with 384kpbs support

 AAC and AAC+ CODEC

 DAB and DAB+ Decoder

 AAC Multi Channel Decoder

 Support 3rd party CODECs
 

Pre and Post audio/voice Processing

 Multi-band EQ

 Multi-band DRC

 High quality SRC

 Pitch and speed control

 FFT for spectrum analysis

 Microphone arrays and beamforming

 Microphone noise reduction

 Acoustics echo cancellation

 Support 3rd party algorithms
 

Audio CODEC

 HD audio (20Hz-40kHz)

 Stereo 24bit ADC with 95dB SNR

 Single-end input for ECM mic

 Sampling rates of 8kHz to 96kHz
 

Audio PWM

 4-Channel audio PWM with differential outputs

 Configurable audio PWM modulation frequency from 384kHz, 768kHz to

2,304kHz

 Spread spectrum to lower PWM EMI

 Support 384k/32bit input

 HD audio (20Hz-40kHz)

 Directly connect to MOS FETs or power stage to replace power amplifier
 

Digital Audio Interface

 2 stereo ECM mic inputs

 I2S input and output either master or slaver
 

Real Time Clock

 Dedicated power supply

 Active current is less than 10uA

 External 32k crystal or internal RC 32k oscillator

 Enable system power on or off

 Wake up system by Alarm, Key, IR and CEC

 Dual alarm clock
 

Peripheral

 USB 2.0 (high speed, 480 Mb/s) OTG and compatible with USB_C

- Type C or USB headphone with 192k/24bit

- Decoding audio stream from USB stick

 SD/MMC/eMMC card interface

 Hardware IR, UART, SPI, I2C, PWM, Rotary, JTAG and GPIOs

 12-bit ADC for general purposes
 

Software

 Free RTOS

 Based on previous SoC SDK

 Firmware upgrade via USB or OTA
 

Package

 QFN 60 (6mm x 6mm)
 

Applications

 Wired or wireless headphones and earbuds

 Bluetooth speaker

 Battered power PA system

 Clock radio

 Wireless Karaoke microphone

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