SL811HS Overview
The SL811HS interfaces to devices such as microprocessors, microcontrollers, DSPs, or directly to a variety of buses such as ISA, PCMCIA, and others. The SL811HS USB Host Controller conforms to USB Specification 1.1. The SL811HS incorporates USB Serial Interface functionality along with internal full or low speed transceivers.
SL811HS Key Features
- First USB Host/Slave controller for embedded systems in the market with a standard microprocessor bus interface
- Supports both full speed (12 Mbps) and low speed (1.5 Mbps) USB transfer in both master and slave modes
- Conforms to USB Specification 1.1 for full- and low speed
- Operates as a single USB host or slave under software control
- Automatic detection of either low- or full-speed devices
- 8-bit bidirectional data, port I/O (DMA supported in slave mode)
- On-chip SIE and USB transceivers
- On-chip single root HUB support
- 256-byte internal SRAM buffer
- Ping-pong buffers for improved performance