TNT4882 PDF Datasheet


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Description

This is Single-Chip IEEE 488.2 Talker / Listener ASIC. TNT4882 Single-Chip IEEE 488.2 Talker, Listener ASIC Features 100-pin plastic quad at pack (QFP), surfacemount package IEEE 488.1-compatible transceivers on chip Fast data transfers Up to 1.5 Mbytes, s using interlocked IEEE 488.1 handshake Up to 8 Mbytes, s using HS488™ Two 8-bit 16-deep FIFOs buffer data between GPIB and CPU With exception of Controller, performs all IEEE 488 interface functions SH1, AH1, T5 or TE5, L3 or LE3, SR1, RL1, PP1 or PP2, DC1, DT1, and C0 Meets all IEEE 488.2 requirements Bus line monitoring Preferred implementation of requesting service Not sending messages when there are no Listeners Software compatible with Turbo488 , NAT4882™ ASICs Reduces software overhead Does not lose a data byte if ATN is asserted while transmitting data Static interrupts status bits that do not clear when read ™ NEW! Automatically transmits END or performs RFD holdoff on last byte of DMA transfer Interrupts when handshake is complete on last byte of a DMA tran.