Part # Brief AIC-43C97 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: Automated, High-performance, Integrated, SCSI Protocol Controller designed for SCSI-2 SCSI-3 embedded peripheral applications

Part Details:

AIC-43C97 Automated, High-performance, Integrated, SCSI Protocol Controller designed for SCSI-2/SCSI-3 embedded peripheral applications DATA BRIEF 1 SCSI Host Interface Block Figure 1. Package Dual Mode Ultra-2 I/O supporting Low Voltage Differential (LVD) and Single Ended SCSI Interfaces ­ Ultra-2 (80 MB/s wide, 40 MB/s narrow) and TQFP144 slower with LVD ­ Ultra (40 MB/s wide, 20 MB/s narrow) and Table 1. Order Codes slower with Single Ended Part Number Package Supports Target and Initiator Modes Programmable SCSI Sequencer for Target AIC-43C97M/C TQFP144 Mode­ Automatic Command receipt with messages­ Automatic Disconnect and Reconnect 3 Microcontroller Interface Block ­ Automatic Message Selectable µP Style and Bus Mode ­ Automatic Status ­ Multiplexed or non-multiplexed ­ Automatic parsing of frequently used SCSI ­ Selectable strobing style (*RD & *WR, or E/ commands *DS & R/*W) ­ Reduced Microprocessor Overhead ­ 16-bit or 8-bit data (8-bit data only in non-mul- ­ Auto Write & Auto Match operations tiplexed mode) ­ Two active contexts to support command ex- ­ Programmable CS and INT polarities ecution pipelining or overlapping Supports wide variety of MPUs Two 16-byte SCSI Control FIFO s ­ Intel 80C196xx 128-byte SCSI Data FIFO ­ Motorola 68HC11 & 68HC16 Block or byte-based transfer counter ­ NEC V852 Odd-byte transfer support in byte mode ­ Hitachi SH-1 7034 & H8 3002 Stores configuration information for up to three ­ Intel 80C186 SCSI devices Supports automatic SCAM selection and SCAM 4 Buffer Manager and Buffer RAM

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Brief AIC-43C97.pdf Datasheet