R128 Datasheet | Allwinner

Features - Xuan Tie 64-bit RISC-V C906 CPU, up to 480 MHz - Hi Fi5 Audio DSP, up to 400 MHz - Arm M33 Star MCU, up to 192 MHz - Memories - 1MB SRAM - Si P 8 MB/16 MB Flash - 8 MB HS-PSRAM in R128-S1 - 8 MB LS-PSRAM & 8 MB HS-PSRAM in R128-S2 - 32 MB HS-PSRAM in R128-S3 - 2048-bit efuse - Image and Graphics - Supports Graphic 2D accelerator with rotate, mixer, and 4 layers - Supports RGB output interface, up to 1024 x 768@60fps - Supports display engine - Video Input - 8-bit parallel CSI interface - Supports both online and offline mode for JPEG encoder - Supports JPEG encoder, 1920 x 1088 - Analog Audio Codec - 2 DAC channels 24-bit audio codec for R128-S1 and R128-S2 - 1 DAC channel 24-bit for R128-S3 - 3 ADC channels - Supports USB audio playback - Up to 119d B SNR during DAC playback path (signal through DAC and lineout with A-weighted filter) - Up to 98d B SNR during ADC record path (signal through PGA and ADC with A-weighted filter) - One I2S/TDM/PCM external interface (I2S0) - Security Engine - Symmetrical algorithm: AES, DES, 3DES - Hash algorithm: MD5, SHA1, SHA224, SHA256, SHA384, SHA512, HMAC - Asymmetrical algorithm: RSA512/1024/2048bit - Supports TRNG - External Peripherals - One USB 2.0 DRD - Up to 3 UART controllers (UART0, UART1, UART2) - Up to 2 SPI controllers (SPI0, SPI1) - Up to 2 TWIs - One CIR RX and one CIR TX - Up to 8 PWM channels (PWM[7:0]) - Up to 7 GPADC input channels (R128-S1 & R128-S2)/8 channels...