W681308DG Datasheet, PDF (7/64 Pages) Nuvotem Talema – W681308 USB Audio Controller from Nuvoton integrates fast 8051 Microcontroller Unit (MCU)

W681308
XXXX PRODUCT DESCRIPTION
ƒ Number pad control
ƒ User programmable keys
ƒ Keypad scanning
ƒ LCD Module interface control
UART
ƒ Programmable UART port for serial data application
PCM Interface
ƒ Master linear PCM interface to external PCM device such as Nuvoton’s ProX CODEC/SLIC
SPI interface
ƒ Works in master mode to control Liquid Crystal Display (LCD) Module or other SPI slave devices
ƒ Support Winbond serial flash device with SPI interface
W2S 2 Wire interface
ƒ Support 2 wire interface for EEPROM three format page modes
USB 5V voltage supply
ƒ Built-in linear regulator on chip supports 3.3V to 1.8V conversion for digital core power
ƒ USB 5V to 3.3V supply power using external transistors
Package
ƒ 48-pin LQFP package 7mmx7mmx1mm
Application
ƒ USB audio peripheral box/ USB sound card
ƒ USB microphone / USB mono headset
ƒ Wired and Wireless USB VoIP phone with LCD
ƒ USB VoIP ATA and Gateway
ƒ PSTN and USB VoIP dual phone
ƒ General USB MCU and audio application
7
Rev1.2