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PDF OX16C950B Data sheet ( Hoja de datos )
| Número de pieza | OX16C950B | |
| Descripción | Intelligent Single Channel UART | |
| Fabricantes | Oxford Semiconductor | |
| Logotipo |  |
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OX16C950B
Intelligent Single Channel UART
• Baud rates up to 15 Mbps in normal mode and
60Mbps in external 1x clock mode
• Single full-duplex asynchronous channel
• 128-byte deep transmitter / receiver FIFO
• Fully software compatible with industry standard
16C550 type UARTs
• Pin compatible with TL16C550B/C, ST16C650 and
TL16C750
• IBM PC/AT compatible
• Readable FIFO levels
• Flexible clock prescaler from 1 to 31.875
• Isochronous mode using external 1x baud rate
clock up to 60Mbps
• 9-bit data framing as well as 5,6,7 and 8
• Detection of bad data in the receiver FIFO
• Automated in-band flow control using
programmable Xon/Xoff characters
• Transmitter and receiver can be disabled
• Automated out-of-band flow control using CTS# /
RTS# and DSR# / DTR#
• Readable in-band and out-of-band flow control
status
• Programmable special character detection
• Arbitrary trigger levels for receiver and transmitter
FIFO interrupts and automatic in-band and out-of-
band flow control
• Transmitter idle interrupt (shift register and FIFO
both empty)
• Optional Infra-red (IrDA) receiver and transmitter
operation
• RS-485 buffer enable signals
• Software channel reset
• Four byte device ID
• Sleep mode (low operating current)
• System clock up to 60 MHz
• 3.3v / 5 volts operation
• 44 PLCC and 48 TQFP packages
The OX16C950B is a single-channel ultra-high
performance UART offering data rates up to 15Mbps
and 128-deep transmitter and receiver FIFOs. Deep
FIFOs reduce CPU overhead and allow utilisation of
higher data rates.
It is software compatible with the widely used industry-
standard 16C550 type devices and compatibles, as well
as other OX16C95x family devices. It is pin-compatible
with the TL16C550B/C, TL16C750 and ST16C650
devices.
In addition to increased performance and FIFO size, the
OX16C950B also provides enhanced features including
improved flow control. Automated software flow control
using Xon/Xoff and automated hardware flow control
using CTS#/RTS# and DSR#/DTR# prevent FIFO over-
run. Flow control and interrupt thresholds are fully
programmable and readable, enabling programmers to
fine-tune the performance of their system. FIFO levels
are readable to facilitate fast driver applications.
The addition of software reset enables recovery from
unforeseen error conditions allowing drivers to restart
gracefully. The OX16C950B supports 9-bit data frames
used in multi-drop industrial protocols. It also offers
multiple external clock options for isochronous
applications, e.g. ISDN, xDSL.
The OX16C950B is ideally suited to PC applications,
such as high-speed COM port add-in cards which
enable PC users to take advantage of the maximum
performance of analogue modems or ISDN terminal
adapters. It is also suitable for any equipment requiring
high speed RS232/RS422/RS485 interfaces. The
OX16C950B also has a low operating current and sleep
mode for battery powered applications.
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet OX16C950B.PDF ] | |
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