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USB HID to UART Bridge Controller
Product Data Sheet
PL23B3
PL23B3 Single-chip USB HID to UART Bridge Controller
USB Interface
Fully Compliant with USB 2.0 specification (Full-Speed Mode).
UHCI/OHCI (USB 1.1), EHCI (USB 2.0), xHCI (USB 3.1) Host Controller Compatible.
USB Human Interface Device (HID) class: o No driver installation needed for Windows, Mac, Linux, and Android. o Provides HID-to-UART SDK libraries for application development.
Integrated termination resistors and pull-up resistor on USB signal pins to reduce external components.
Supports 256-byte OTPROM (One-Time Programmable ROM) programming by software tool via USB interface for USB device descriptors and GPIO configuration. Each IC has unique ID (for Serial Number).