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ST16C654IQ64 Fiches technique(PDF) 1 Page - Exar Corporation |
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ST16C654IQ64 Fiches technique(HTML) 1 Page - Exar Corporation |
1 / 49 page 5-65 ST16C654/654D Rev. 4.10 QUAD UART WITH 64-BYTE FIFO AND INFRARED (IrDA) ENCODER/DECODER DESCRIPTION The ST16C654 *1 is a universal asynchronous receiver and transmitter (UART) with a dual foot print interface compatible with the ST16C554 and ST68C554. The 654 is an enhanced UART with 64 byte FIFOs, automatic hardware/software flow control, and data rates up to 1.5Mbps. Onboard status registers provide the user with error indications and operational status, modem interface control. System interrupts may be tailored to meet user requirements. An internal loopback capability allows onboard diagnostics. The 654 is available in 64 pin TQFP, 68 pin PLCC, and 100 pin QFP packages. The 64 pin package offers the 16 interface mode which is compatible with the industry standard ST16C554. The 68 and 100 pin packages offer an additional 68 mode which allows easy integration with Motorola, and other popular microprocessors. The ST16C654CQ64 (64 pin) offers three state interrupt control while the ST16C654DCQ64 provides constant active interrupt outputs. The 64 pin devices do not offer TXRDY/RXRDY outputs or the default clock select option (CLKSEL). The 100 pin packages offer faster channel status access by providing separate outputs for TXRDY and RXRDY, offer separate Infrared TX outputs and a musical instrument clock input (MIDICLK). The 654 combines the package interface modes of the 16C454/ 554 and 68/C454/554 series on a single integrated chip. Part number Pins Package Operating temperature ST16C654IJ68 68 PLCC -40° C to + 85° C ST16C654IQ64 64 TQFP -40° C to + 85° C ST16C654DIQ64 64 TQFP -40° C to + 85° C ST16C654IQ100 100 QFP -40° C to + 85° C Note *1: Patent Pending FEATURES · Compatibility with the Industry Standard ST16C454/554, ST68C454/554, TL16C554 · 1.5 Mbps transmit/receive operation (24MHz) · 64 byte transmit FIFO · 64 byte receive FIFO with error flags · Automatic software/hardware flow control · Programmable Xon/Xoff characters · Independent transmit and receive control · Software selectable Baud Rate Generator pre- scaleable clock rates of 1X, 4X. · Four selectable Transmit/Receive FIFO interrupt trigger levels · Standard modem interface or infrared IrDA en- coder/decoder interface · Software flow control turned off optionally by any (Xon) RX character · Independent MIDI interface on 100 pin packages · 100 pin packages offer internal register FIFO monitoring and separate IrDA TX outputs · Sleep mode ( 200mA stand-by) ORDERING INFORMATION Part number Pins Package Operating temperature ST16C654CJ68 68 PLCC 0° C to + 70° C ST16C654CQ64 64 TQFP 0° C to + 70° C ST16C654DCQ64 64 TQFP 0° C to + 70° C ST16C654CQ100 100 QFP 0° C to + 70° C PLCC Package 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 -DSRA -CTSA -DTRA VCC -RTSA INTA -CSA TXA -IOW TXB -CSB INTB -RTSB GND -DTRB -CTSB -DSRB -DSRD -CTSD -DTRD GND -RTSD INTD -CSD TXD -IOR TXC -CSC INTC -RTSC VCC -DTRC -CTSC -DSRC ST16C654CJ68 16 MODE |
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Description similaire - ST16C654IQ64 |
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