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AM85C30-10PC 데이터시트(PDF) 2 Page - Advanced Micro Devices |
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AM85C30-10PC 데이터시트(HTML) 2 Page - Advanced Micro Devices |
2 / 68 page AMD 2 Am85C30 Enhancements that allow the Am85C30 to be used more effectively in high-speed applications include: s A 10 × 19 bit SDLC/HDLC frame status FIFO array s A 14-bit SDLC/HDLC frame byte counter s Automatic SDLC/HDLC opening frame flag transmission s TxD pin forced High in SDLC NRZI mode after closing flag s Automatic SDLC/HDLC Tx underrun/EOM flag reset s Automatic SDLC/HDLC Tx CRC generator reset/ preset s RTS synchronization to closing SDLC/HDLC flag DTR/REQ deactivation delay significantly reduced s External PCLK to RxC or TxC synchronization requirement eliminated for PCLK divide-by-four operation Other enhancements to improve the Am85C30 inter- face capabilities include: s Write data valid setup time to falling edge of WR requirement eliminated s Reduced INT response time s Reduced access recovery time (tRC) to 3 PCLK best case (3 1/2 PCLK worst case) s Improved Wait timing s Write Registers WR3, WR4, WR5, and WR10 made readable s Lower priority interrupt masking without INTACK s Complete SDLC/HDLC CRC character reception BLOCK DIAGRAM Data Control CPU Bus VO Internal Control Logic Internal Bus Channel A Registers Interrupt Control Logic Channel B Registers +5 V GND PCLK Channel A Channel B Control Logic Transmitter Receiver Baud Rate Generator 10 ×19 Bit Frame Status FIFO Interrupt Control Lines 5 10216F-1 8 TxDA RxDA RTxCA TRxCA DTR/REQA SYNCA W/REQA RTSA CTSA DCDA TxDB RxDB RTxCB TRxCB DTR/REQB SYNCB W/REQB RTSB CTSB DCDB RELATED AMD PRODUCTS Part No. Description Part No. Description Am7960 Coded Data Transceiver Am9517A DMA Controller 80186 Highly Integrated 16-Bit 5380, 53C80 SCSI Bus Controller Microprocessor 80188 Highly Integrated 8-Bit 80286, 80C286 High-Performance 16-Bit Microprocessor Microprocessor Am386® High-Performance 32-Bit Microprocessor |
유사한 부품 번호 - AM85C30-10PC |
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유사한 설명 - AM85C30-10PC |
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