SN66090
| Model | SN66090 |
| Description | 4-Channel Speech Controller |
| PDF file | Total 5 pages (File size: 140K) |
| Chip Manufacturer | SONIX |
SN66090
4-Channel Speech Controller
INTRODUCTION
SN66090 is a 90 seconds single chip 4-channel voice synthesizer IC which
contains I/O ports and a tiny controller. By programming through the tiny
controller, user’s applications including section combination, trigger modes,
output status, high performance melody, multiple voices, and other logic
functions can be implemented.
FEATURES
Single power supply 2.4V – 5.1V
Built in a tiny controller
90 seconds voice capacity are provided
One 4-bit input port, two 4-bit I/O ports and one 4-bit output port are
provided
128*4 bits RAM are provided
Maximum 64k program ROM is provided
Readable ROM code data
Built in a high quality speech synthesizer
Four independent voice channels
Adaptive playing speed from 4k-40kHz is provided for all 4 channels
individually
Automatic repetition for every channel
A 6-bit*8-bit Multiplier is embed to modulate the volume of synthesized
voices
Two digital mixers (with saturation control) are provided
Two 8-bit current output DA converters (Channel 1 + Channel 2
→
DA1,
Channel 3 + Channel 4
→
DA2 )
System clock: 2M Hz ( R-type or Crystal Option)
1
December 20, 2000
