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Hardware Design

Main CPU:

1. Nordic nRF5340 128/64 MHz Arm Cortex-M33 application processor with 1 MB Flash & 512 KB RAM
2. 64 MHz Arm Cortex-M33 ultra low power network processor with 256 KB Flash & 64 KB RAM
3. Bluetooth Low Energy
4. Bluetooth Direction Finding
5. Bluetooth mesh, Thread, Zigbee

Graphics Processor:

1. Efinix T20 FPGA with capabilities similar to Super Nintendo and Gameboy Advance
2. 128KB of ram
3. 20K Logic elements
4. 4 background layers with 16/256 colors per 8×8 tile + an overlay layer for smart watch features
5. 256 sprites
6. Hardware scaling and rotation of sprites and backgrounds
7. Translucency

Screen:

1. 1.54“ 60hz 240×240
2. screen is driven by the MCU when in watch mode and by the FPGA when in game mode

Smart Watch Features:

1. Notifications
2. Pedometer
3. Heart Rate
4. User apps