Am53CF96

PRELIMINARY Am53CF94/Am53CF96 Enhanced SCSI-2 Controller (ESC) DISTINCTIVE CHARACTERISTICS s s s s s s s s s s s s s s s Pin/function compatible with Emulex FAS216/236 AMD’s Patented programmable GLITCH EATERTM Circuitry on REQ and ACK inputs 10 Mbytes/s synchronous Fast SCSI transfer rate 20 Mbytes/s DMA transfer rate 16-Bit DMA interface plus 2 bits of parity Flexible three bus architecture Single-ended SCSI bus supported by Am53CF94 Differential SCSI bus supported by Am53CF96 Selection of multiplexed or non-multiplexed address and data bus High current drivers (48 mA) for direct connection to the single-ended SCSI bus Supports Disconnect and Reselect commands Supports burst mode DMA operation with a threshold of eight Supports 3-byte tagged-queueing as per the SCSI-2 specification Supports group 2 and 5 command recognition as per the SCSI-2 specification Advanced CMOS process for lower power consumption s s s s s s s s s s s s s s s Advanced Micro Devices AMD’s exclusive programmable power-down feature 24-Bit extended transfer counter allows for data block transfer of up to 16 Mbytes Independently programmable 3-byte message and group 2 identification Additional check for ID message during bus-initiated Select with ATN Reselection has QTAG features of ATN3 Access FIFO Command Delayed enable signal for differential drivers avoid contention on SCSI differential lines Programmable Active Negation on REQ, ACK and Data lines Register programmable control of assertion/ deasse...