AHA3580 Overview
tech aha corporation PRODUCT BRIEF AHA3580 80 MBYTES/SEC ALDC DATA PRESSION COPROCESSOR IC The AHA3580 is a single-chip CMOS lossless pression and depression integrated circuit. The device implements the ALDC pression algorithm defined by various industry standards. This algorithm is also known as Adaptive Lossless Data pression.
AHA3580 Key Features
- 80 MBytes/sec data pression, depression or pass-through rate with a single 80 MHz clock
- 2:1 average pression ratio
- A four byte Record Length register allows record lengths up to 4 gigabytes
- Four byte Record Count register allows multiple record transfers
- Error checking in depression mode reportable via an interrupt
- Polled or interrupt driven I/O
- Port A/B DMA interfaces include FAS466, FAS440 and AIC-43C97C
- Programmable polarity for DMA control signals
- DMA FIFO access via microprocessor port at Port A Interface
- Single-chip data pression solution