NM9805

Nm9805 PCI + 1284 Printer Port Features Single 5V operation Low power PCI compatible 1284 printer port Multi-mode compatible controller (SPP, PS2, EPP, ECP) Fast data rates up to 1.5 Mbytes/s (parallel port) 16-byte FIFO (parallel) Re-map function for legacy ports Microsoft Compatible Software programmable mode selects 128-pin QFP package Applications Printer server Portable backup units Printer interface Add-on I/O cards Application Notes AN-9805 General Description The Nm9805 is a 1284 parallel port controller with PCI bus interface. Nm9805 fully supports the existing Centronics printer interface as well as PS/2, EPP, and ECP modes. The Nm9805 is ideally suited for PC applications, such as high speed parallel ports. The Nm9805 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. Ordering Information Commercial Grade Nm9805CV 128-QFP 0° C to +70° C MosChip Semiconductor ♦ 3335 Kifer Rd, Santa Clara, CA 95051 ♦ Tel (408) 737-7141 ♦ Fax (408) 737-7708 Nm9805 PCI + 1284 Printer Port Nm9805 Block Diagram CLK nRESET AD0 - AD31 nFRAME, nIRDY nLOCK, IDSEL, nTRDY, nSTOP, nDEVSEL, nPARR,nSERR nC/BE0, nC/BE1, nC/BE3, nC/BE4 P C I I N T E R F A C E P C I PD0 - PD7 B R I D G E 1284 Parallel Port FAULT, SLCT, PE nACK, nBUSY nSTROBE, nAUTOFDX INIT, nSLCTIN nINTA PCI Clk EEprom Interface EE-CLK EE-CS EE-DO Page 2 EE-EN EE-DI Rev. 1.1 Nm9805 ...