W83791SD
Description
datasheeWt4u8.3co7m91SD/SG is a programmable speech synthesizer with 9-bit current DAC output that can connect to speaker or LINE_OUT by the AC’97 audio codec.
Key Features
- Programmable speech synthesizer
- New high fidelity synthesis algorithm
- Build in 8-bit current D/A converter
- Instruction cycle 400 µS typically
- Section control provided in each voice section Variable frequency: 4.8/6/8/12 KHz
- External resistor for ring oscillator
- 1 CPU present or absent trigger input
- 5 External trigger inputs
- 127 Internal programmable trigger inputs with a watch dog timer
- Programmable 0-255 seconds timeout trigger inputs General
