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