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MCS9835
The MCS9835 is a PCI based dual-channel high performance UART with enhanced bi-directional parallel controller. The MCS9835 offers 32-byte transmit and receive FIFO for each UART channel and 32-byte FIFO for printer channel. The MCS9835 performs serial-to-parallel conversions on data received from a peripheral device, and parallel-to-serial conversions on data received from its CPU. In addition, MCS9835 fully supports the existing Centronics printer interface as well as PS/2, EPP, and ECP modes.
The MCS9835 is ideally suited for PC applications, such as high speed COM ports and parallel ports. The MCS9835 is available in a 128-pin QFP package. It is fabricated using an advanced submicron CMOS process to achieve low drain power and high speed requirements.
Features
- Single 5V operation
- Low power
- PCI compatible dual UART
- 32-byte transmit-receive FIFO (UART)
- Selectable receive trigger levels
- Programmable baud rate generator
- Modem control signals
- 5, 6, 7, 8-bit characters selection
- Even, odd, no parity, or force parity generations
- Status report capability
- Compatible with 16C550
- Multi-mode compatible controller (SPP, PS2, EPP, ECP)
- Fast data rates up to 1.5 MBps (parallel port)
- On-chip oscillator
- Re-map function for legacy ports
- 16-byte FIFO (parallel)
- Microsoft compatible
- Software programmable mode selects
- 128-pin QFP package (RoHS)
Applications
- Printer server
- Portable backup units
- Printer interface
- Embedded applications
- High speed modems
- Monitoring equipment
- Add-on I/O cards
- Serial networking
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