Features USB 2.0, Bluetooth audio support, and RS232 for recovery. 2. General Chipset Features (Sunplus 1506 Series)
This specific version uses a 4MB Flash memory (for firmware) and typically features 512MB RAM . sunplus 1506hv 4mb s2
Why does the memory spec matter? Sunplus produced dozens of variants under the 1506 family: Features USB 2
As of 2025, the Sunplus 1506 series is . Major distributors like Mouser or Digi-Key do not stock it. You will find it on: Features USB 2.0
Based on the exact flash size (4MB) and the "S2" identifier, this configuration was used in: