Nuvoton W681308

The Nuvoton W681308 is an 8051 based CMOS controller with high speed architecture 4T up to 48MHz, 8KByte OTP ROM, 256 Bytes on-chip RAM, 1KByte On-Chip XRAM, Dual Data Pointer, 24 GPIOs, 3 16Bit Timer, Programmable Watchdog Timer (WDT), 7 Interrupt Sources with 2 level priorities, High Quality 16 bit Mono Audio Linear CODEC, USB2.0 Interface with integrated PHY, Integraterd Accustic Echo Cancellation (AEC) and Auto Gain Controll (AGC), Integrated Keypad controll pins, Full duplex UART, PCM Interface ,SPI Interface, 2 Wire Interface, On-Chip Debugger with JTAG Interface.