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OX16C954

ETC
Part Number OX16C954
Manufacturer ETC
Description High Performance Quad UART with 128-byte FIFOs Intel / Motorola Bus Interface
Published May 13, 2005
Detailed Description High Performance Quad UART with 128-byte FIFOs Intel / Motorola Bus Interface FEATURES • • • • • • • • • • Four independ...
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OX16C954
OX16C954

Overview
High Performance Quad UART with 128-byte FIFOs Intel / Motorola Bus Interface FEATURES • • • • • • • • • • Four independent full-duplex asynchronous 16C950 high performance UART channels 128-byte deep FIFO per transmitter and receiver UARTs fully software compatible with industry standard 16C55x type UARTs Pin compatible with TL16C554 and ST16C654 Baud rates up to 15 Mbps in normal mode and 60Mbps in external 1x clock (isochronous) mode Readable FIFO levels Flexible clock prescaler from 1 to 31.
875 Automated in-band flow control using programmable Xon/Xoff characters, in both directions Automated out-of-band flow control using CTS#/RTS# and/or DSR#/DTR# Arbitrary trigger levels for receiver and transmitter FIFO interrupts and automatic in-band and out-ofband flow control • • • • • • • • • • • • • • Readable in-band and out-of-band flow control status Programmable special character detection Infra-red (IrDA) receiver and transmitter option 5, 6, 7, 8 and 9-bits data framing Detection of bad data in the receiver FIFO Independent channel reset by software Transmitter and receiver can be disabled Transmitter idle interrupt RS-485 buffer enable signals Four byte device ID Sleep mode (low operating current) System clock up to 60 MHz at 5V, 50 MHz at 3.
3V 5.
0 volt or 3.
3v operation* 68pin PLCC and 80pin TQFP package options.
*Only the 80pin TQFP package supports operation at 5v or 3.
3v.
OX16C954 rev B REV B ENHANCEMENTS The OX16C954B is an enhanced, backward-compatible revision of the OX16C954 rev A.
It uses the newer core as in the OX16C950 rev B.
The chief enhancements are as follows – • All known errata fixed • Full TCR range from 4-16 • Enhanced controls for sleep-mode sensitivity, ability to read FCR and Good Data Status • 3.
3V operation with 80 pin TQFP • Enhanced isochronous clocking options (optional inversions, DTR/DSR) Hereafter OX16C954 rev B is simply referred to as OX16C954.
Oxford Semiconductor Ltd.
25 Milton Park, Abingdon, Oxon, OX14 4SH, UK Tel: +44 (0)...


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