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ST16C550CJ44 bảng dữ liệu(PDF) 1 Page - Exar Corporation |
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ST16C550CJ44 bảng dữ liệu(HTML) 1 Page - Exar Corporation |
1 / 35 page EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 • (510) 668-7000 • FAX (510) 668-7017 ST16C550 Rev. 4.30 PLCC Package UART WITH 16-BYTE FIFO’s 7 8 9 10 11 12 13 14 15 16 17 39 38 37 36 35 34 33 32 31 30 29 D5 D6 D7 RCLK RX N.C. TX CS0 CS1 -CS2 -BAUDOUT RESET -OP1 -DTR -RTS -OP2 N.C. INT -RXRDY A0 A1 A2 ST16C550CJ44 September 2003 GENERAL DESCRIPTION The ST16C550 (550) is a universal asynchronous re- ceiver and transmitter with 16 byte transmit and receive FIFO. It operates at 2.97 to 5.5 volts. A programmable baud rate generator can select transmit and receive clock rates from 50 bps to 1.5 Mbps. The ST16C550 is an improved version of the NS16C550 UART with higher operating speed and lower access time. The ST16C550 on board status registers provides the error conditions, type and status of the transfer operation being performed. Included is complete MO- DEM control capability, and a processor interrupt system that may be software tailored to the user’s requirements. The ST16C550 provides internal loop- back capability for on board diagnostic testing. The ST16C550 is available in 40 pin PDIP, 44 pin PLCC, and 48 pin TQFP packages. It is fabricated in an advanced CMOS process to achieve low drain power and high speed requirements. FEATURES • PintopinandfunctionallycompatibletotheIndustry Standard 16C550 • 2.97 to 5.5 volt operation • 24MHz clock operation at 5V • 16MHz clock operation at 3.3V • 16 byte transmit FIFO • 16 byte receive FIFO with error flags • Full duplex operation • Transmit and receive control • FourselectablereceiveFIFOinterrupttriggerlevels • Standardmodeminterface • Compatible with ST16C450 • Low operating current ( 1.2mA typ.) ORDERING INFORMATION Part number Package Operating temperature Device Status ST16C550CP40 40-Lead PDIP 0° C to + 70° C Active. See the ST16C550CQ48 for new designs. ST16C550CJ44 44-Lead PLCC 0° C to + 70° C Active ST16C550CQ48 48-Lead TQFP 0° C to + 70° C Active ST16C550IP40 40-Lead PDIP -40° C to + 85° C Active. See the ST16C550IQ48 for new designs. ST16C550IJ44 44-Lead PLCC -40° C to + 85° C Active ST16C550IQ48 48-Lead TQFP -40° C to + 85° C Active |
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