AHA3520 Overview
tech aha corporation PRODUCT BRIEF AHA3520 20 MBYTES/SEC ALDC DATA PRESSION COPROCESSOR IC The AHA3520 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.
AHA3520 Key Features
- 20 MBytes/sec data pression, depression or pass-through rate
- 2 to 1 average pression ratio
- Multiple byte transfers without microprocessor intervention
- Error checking in depression mode reportable via an interrupt
- In-line or look-aside system architectures supported
- Polled or interrupt driven I/O
- Two independent DMA ports programmable for 8 or 16-bit transfers and handshaking modes
- Single-chip data pression solution
- Programmable interrupts
- Interfaces directly with industry standard SCSI chips