Cs9711 Fingerprint Driver _top_ May 2026

The Chipsailing is a common chip found in budget USB fingerprint readers (like the Jian Boland WA28

Security Considerations

• Suspend/resume callbacks.
• Deep sleep vs. idle current (e.g., 10µA vs 2mA).

2. Performance & Accuracy

• No public datasheet
• Vendor-specific binary blob in firmware upload path
• Security requirements for TEE integration vary per platform

Error Code

Are you seeing a specific in the Device Manager for this sensor? cs9711 fingerprint driver

• Request frame via command.
• Wait for IRQ or poll for ready.
• Read frame into buffer (supporting multiple resolutions, e.g., 256x360).
• Convert raw ADC values to normalized grayscale if needed.