CM2025
CM2025 is BT Audio Chip manufactured by C-Media.
- Part of the CM2025-C comparator family.
- Part of the CM2025-C comparator family.
DESCRIPTION
FEATURES
The CM2025 is a highly integrated single-chip
- ARM Cortex-M4F with Floating Point Unit (FPU) 96MHz
Bluetooth audio solution targeting Bluetooth gaming
- Internal 16M bits SPI serial Flash headsets and wireless microphone markets with high
- Support Bluetooth v5.3 and backward patible performance and low power consumption.
- Support BT dual-mode and link for BR/EDR and LE audio
CM2025 adopts ARM Cortex-M4F core and a rich set
- Bluetooth transmitting output max. power: 13d Bm of interfaces such as USB, SPI, UART, TWI, PWM, I2S
- Bluetooth receiving sensitivity: -96d Bm@GFSK,
TX/RX, capacitive touch key to acplish various -94d Bm@π/4 DQPSK, -88d Bm@8DPSK modulation
Bluetooth audio applications.
- Support SBC/AAC/LC3 BT audio transmission format
- Support bidirectional voice transmission, sampling rate
CM2025 integrates BT v5.3 dual mode to BT classic 32KHz/48KHz for up/down stream and LE audio connection, which is fully backward
- Playback path latency is 25ms in LE audio mode patible to v5.0/4.2/2.1 Bluetooth specifications.
- Support USB 2.0 Full Speed with UAC 1.0
Both links in BR/EDR and LE can be active
- Audio data supports up to 8~192K/24-bits sampling rate simultaneously for bidirectional HD voice transmission.
- Build in 24-bit DAC/ADC with 8K~96K sampling rate
CM2025 owns a power management unit (PMU) to
- Build in stereo ADC, SNR 102d B, THD+N<-90d B establish a stable power source and linear battery
- Build in stereo DAC, SNR 120d B, THD+N<-100d B charger with maximum 300m A charging current that
- Build in stereo 22m W PA for headphone allows CM2025 to recharge the battery over USB.
- Fully configurable PEQ, up to 20 segments
Besides, with implementing Cmedia Xear™ Sound
- Support I2S TX and RX, sampling rate up to 192KHz
Technology- Surround HP and AI noise cancellation, to
- Support Serial Interface: SPI, UART- 2, TWI provide users the best auditory experience at near end,
- Support 16 GPIO, 3 wake-up IO, 4 PWM for...