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
