W681307DG Datasheet, PDF (10/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM.

W681307
2. FEATURES
Micro controller
• Embedded 27.648MHz WINBOND^® Turbo 8032 Micro-Controller with 4 Clocks per Machine Cycle
• 4K system RAM, 32K MASK ROM
• Core 1.9V, I/O 3.3V
• Power on Reset circuit
• Software Power Down mode
• In system Programming (ISP) for 29/39/49 series flash ROM
• Built-in Keypad Scan, Watchdog, Wait State
Speech Processor/Interface
• 4 Processor Channels
• Programmable input/output gain stage
• Programmable Auto Gain Control (AGC) stage
• Programmable Soft Clip gain stage
• Acoustic Echo Cancellation (AEC) with half duplex, absolute/relative mode
• PCM interface for External CODEC or PCM interface
• SNDR output
• Built in DTMF tone generator
PCM CODEC
• One Built-in PCM CODEC
• Analogue input amplifier with Internal programmable gain stage
• Analog output amplifier: Push pull drive, Internal programmable gain stage
USB 1.1
• Universal Serial Bus USB v1.1 compliant device controller and PHY, capable of full speed communication (12MHz) with up to
5 configuration end –points.
UART
• T8032 UART for data transmit application.
PCM Highway
• The 1^st PCM Highway has four channels..
• All channels support 8/16 bits pcm format, and IOM2 mode.
• Works in master or slave modes with external CODEC.
W2S
•
•
Support three EEPROM format page modes.
Support six kinds of W2S bus clocks.
SPI interface
• Works in master or slave modes.
SPI Flash interface
• Works in master with the Winbond SPI interface of series flash.
ISP
• In-system-Programming capability with software command via UART or USB interface.
Package
• 100 pin LQFP package
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Publication Release Date: May, 2007
Revision 1.3