IMP16C554 Quad Universal Asynchronous Receiver/Transmitter (UART) with FIFO's
■The IMP16C554 is a universal asynchronous receiver and transmitter with 16 byte transmit and receive FIFO. A programmable baud rate generator is provided to select transmit and receive clock rates from 50Hz to 1.5MHz.
■The IMP16C554 is an improved version of the IMP16C550 UART with higher operating speed and lower access time. The IMP16C554 on board status registers provides the error conditions, type and status of the transfer operation being performed. Included is complete MODEM control capability, and a processor interrupt system that may be software tailored to the user’s requirements. The IMP16C554 provides internal loop-back capability for on board diagnostic testing.
■The IMP16C554 is fabricated in an advanced 1.2u CMOS process to achieve low drain power and high speed requirements.
●Key Features
■16 byte receive FIFO with error flags
■Modem control signal (CTS*, RTS*, DSR*, DTR*, RI* ,CD*)
■Programmable character lengths(5,6,7,8)
■Even, odd, or no parity bit generation and detection
■Status report register
■Independent transmit and receive control
■TLL compatible inputs. outputs
■Software compatible with Ei8250, 1Ei16C550
■460.8kHz transmit/receive operation with 7.372 MHz crystal or external clock source
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Quad Universal Asynchronous Receiver/Transmitter (UART) 、 universal asynchronous receiver and transmitter 、 UART |
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Datasheet |
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Please see the document for details |
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PLCC |
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English Chinese Chinese and English Japanese |
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08/08/05 |
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Revision:A |
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552 KB |
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