Bouffalo Lab BL808
Bouffalo Lab BL808 is a 64-bit / 32-bit RISC-V SoC with 3 RISC-V Cores:
- D0 Multimedia Core: T-Head C906 480 MHz 64-bit RISC-V CPU
- RV64IMAFCV 
- Level 1 Instruction and Data Cache (Harvard architecture) 
- Sv39 Memory Management Unit 
- jTLB (128 entries) 
- AXI 4.0 128-bit master interface 
- Core Local Interrupt (CLINT) and Platform-Level Interrupt Controller (PLIC) 
- 80 External Interrupt Sources 
- BHT (8K) and BTB 
- RISC-V PMP (8 configurable areas) 
 
 
- M0 Wireless Core: T-Head E907 320 MHz 32-bit RISC-V CPU
- RV32IMAFCP 
- 32-bit / 16-bit Mixed Instruction Set 
- RISC-V Machine Mode and User Mode 
- 32 x 32-bit Integer General Purpose Registers (GPR) 
- 32 x 32-bit / 64-bit Floating-Point GPRs 
- AXI 4.0 main device interface and AHB 5.0 peripheral interface 
- Instruction and Data Cache 
 
 
- LP Low Power Core: T-Head E902 150 MHz 32-bit RISC-V CPU
- RV32E[M]C 
 
 
- RAM: Embedded 64 MB PSRAM 
- Wireless: 2.4 GHz 1T1R WiFi 802.11 b/g/n, Bluetooth 5.2, Zigbee 
- Ethernet: 10 / 100 Mbps 
- USB: USB 2.0 OTG 
- Audio: Microphone and Speaker 
- Video Input: Dual-lane MIPI CSI 
- Peripherals: UART, SPI, I2C, PWM, SDH, EMAC, USB