Automotive Module Series 2.2. Key Features Table 4: Key Features VBAT_BB/VBAT_RF: ⚫ Supply voltage: 3.3–4.3 V ⚫ Typical supply voltage: 3.8 V Power Supply ⚫ Text and PDU mode ⚫ Point-to-point MO and MT ⚫ SMS cell broadcast ⚫ SMS storage: ME by default SMS (U)SIM Interfaces ⚫ Supports (U)SIM card: 1.8/3.0 V ⚫ Supports Dual SIM Dual Standby (DSDS) 5 ⚫ Support two digital audio interfaces: I2S interface and PCM interface ⚫ GSM: HR/FR/EFR/AMR/AMR-WB ⚫ WCDMA: AMR/AMR-WB ⚫ LTE: AMR/AMR-WB ⚫ Support echo cancellation and noise suppression Audio Features PCM:
⚫ Used for Bluetooth audio transmission by default ⚫ Supports 16-bit and 24-bit precision in PCM data path ⚫ Supports long frame synchronization and short frame synchronization ⚫ Supports master and slave modes I2S: ⚫ Supports 8–192 kHz sampling rate ⚫ Used for audio function with external codec IC by default Digital Audio Interfaces ⚫ Three SPI interfaces: SPI1 and SPI2 only support master mode, SPI3 supports both master and slave modes. ⚫ Maximum clock frequency rate: SPI Interfaces - Master mode: 50 MHz - Slave mode:
26 MHz I2C Interfaces ⚫ Two I2C interfaces ⚫ Compliant with UM10204 I2C-bus specification and user manual ⚫ Multi-master mode is not supported SGMII Interface ⚫ Supports 10/100/1000/2500 Mbps in full duplex mode ⚫ Supports 10/100 Mbps in half duplex mode 5 DSDS function is optional. AG568N_Series_QuecOpen_Hardware_Design 20 / 135 Features Details