W681308 Overview
Description
W681308 USB Audio Controller from Nuvoton integrates fast 8051 Microcontroller Unit (MCU), Universal Serial Bus (USB) 2.0 Full Speed compliant controller with PHY, 16bit high quality Analog to Digital Converter / Digital to Analog Converter (ADC/DAC) with 8/16/48 KHz wide band sampling rates, speaker phone and echo cancellation, 8 KB One Time Programmable (OTP) program memory and 1 KB data memory in a single 48 pin Low-profile Quad Flat Package (LQFP). MCU includes Joint Test Access Group (JTAG) In-Circuit Emulation(ICE) interface and can handle customer programs such as keypad scan, LCD control, caller list download, and USB and CODEC control among other features.
