OX16C950 Datasheet PDF - Oxford Semiconductor
| Part Number | OX16C950 | |
| Description | High Performance UART | |
| Manufacturers | Oxford Semiconductor | |
| Logo |  |
|
|
There is a preview and OX16C950 download ( pdf file ) link at the bottom of this page. Total 30 Pages | ||
Preview 1 page No Preview Available !
www.DataSheet4U.com
OX16C950 rev B
High Performance UART
with 128 byte FIFOs
FEATURES
• 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
• Baud rates up to 15 Mbps in normal mode and
60Mbps in external 1x clock mode
• 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 (at 5V), 50 MHz at 3.3V
• 44 PLCC and 48 TQFP packages
• 5 volts operation (PLCC), 3.3/ 5V operation TQFP
REV B ENHANCEMENTS
The OX16C950B is an enhanced, fully backward-compatible revision of the OX16C950 rev A. The chief enhancements are as
follows –
• All known errata fixed
• Enhanced features first offered in OX16PCI954 added – these include controls for sleep-mode sensitivity, ability to
read FCR and Good Data Status
• 3V operation possible with 48 pin TQFP
• Enhanced isochronous clocking options (optional inversions)
• Enhanced system clock selection options (use of CLKSEL as a clock input)
• Readable TxRdy, RxRdy status and forcing TxRdy or RxRdy inactive
Hereafter OX16C950 rev B is simply referred to as OX16C950.
Oxford Semiconductor Ltd.
25 Milton Park, Abingdon, Oxon, OX14 4SH, UK
Tel: +44 (0)1235 824900 Fax: +44 (0)1235 821141
Oxford Semiconductor 2001
OX16C950 rev B Datasheet R1.2 – May 2001
Part No. OX16C950-PCC60-B
|
| |
 
OXFORD SEMICONDUCTOR LTD.
OX16C950 rev B
1 PERFORMANCE COMPARISON
Feature
External 1x baud rate clock
Max baud rate in normal mode
Max baud rate in 1x clock mode
FIFO depth
Sleep mode
Auto Xon/Xoff flow
Auto CTS#/RTS# flow
Auto DSR#/DTR# flow
No. of Rx interrupt thresholds
No. of Tx interrupt thresholds
No. of flow control thresholds
Transmitter empty interrupt
Readable status of flow control
Readable FIFO levels
Clock prescaler options
Rx/Tx disable
Software reset
Device ID
9-bit data frames
RS485 buffer enable
Infra-red (IrDA)
OX16C950
Yes
15 Mbps
60 Mbps
128
Yes
Yes
Yes
Yes
127
128
128
Yes
Yes
Yes
248
Yes
Yes
Yes
Yes
Yes
Yes
16C450
No
115 kbps
n/a
1
No
No
No
No
1
1
n/a
No
n/a
n/a
n/a
No
No
No
No
No
No
16C550
No
115 kbps
n/a
16
No
No
No
No
4
1
n/a
No
No
No
n/a
No
No
No
No
No
No
16C650
No
1.5 Mbps
n/a
32
Yes
Yes
Yes
No
4
4
4
No
No
No
2
No
No
No
No
No
Yes
16C750
No
1 Mbps
n/a
64
Yes
No
Yes
No
4
1
n/a
No
No
No
n/a
No
No
No
No
No
No
Table 1 OX16C950 performance compared with 16C450, 16C550, 16C650 and 16C750 devices
Improvements of the OX16C950 over previous generations of PC UART:
Deeper FIFOs:
OX16C950 offers 128-byte deep FIFOs for the transmitter
and receiver.
Higher data rates:
Transmission and reception baud rates up to 15Mbps. A
flexible clock prescaler offers division ratios of 1 to 31 7/8
in steps of 1/8 using a divide-by-“M N/8” circuitry. The
flexible prescaler allows users to select from a wide variety
of input clock frequencies as well as access to higher baud
rates whilst maintaining compatibility with existing software
drivers (see section 14.2).
Special character detection:
The receiver can be programmed to generate an interrupt
upon reception of a particular character value.
Power-down:
The device can be placed in ‘sleep mode’ to conserve
power.
Readable FIFO levels:
Driver efficiency can be improved by using readable FIFO
levels.
External clock options:
The receiver can accept an external 1x clock on the DSR#
input. The transmitter can accept a 1x clock on the RI#
input and/or assert its own (Nx) clock on the DTR# output.
In 1x mode, asynchronous data may be transmitted and
received at speeds up to 60Mbps (see section 14.6).
Automatic flow control:
The UART automatically handles either or both in-band
(software) flow control (transmitting and receiving Xon/Xoff
characters) and out-of-band (hardware) flow control using
the RTS#/CTS# or DSR#/DTR# modem control lines.
Selectable trigger levels:
The receiver FIFO threshold can be arbitrarily
programmed. The transmitter FIFO threshold and
thresholds for automatic flow control can be programmed
to operate at a variety of trigger levels.
Additional control:
The transmitter and receiver can be independently
disabled.
Data Sheet Revision 1.2
Page 5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for OX16C950 electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ OX16C950.PDF Datasheet ] | |
Share Link :
Electronic Components Distributor
|
An electronic components distributor is a company that sources, stocks, and sells electronic components to manufacturers, engineers, and hobbyists. |
| SparkFun Electronics | Allied Electronics | DigiKey Electronics | Arrow Electronics |
| Mouser Electronics | Adafruit | Newark | Chip One Stop |
Featured Datasheets
| Part Number | Description | MFRS |
| OX16C950 | The function is High Performance UART. Oxford Semiconductor | |
| OX16C950B | The function is Intelligent Single Channel UART. Oxford Semiconductor | |
| OX16C954 | The function is High Performance Quad UART with 128-byte FIFOs Intel / Motorola Bus Interface. ETC |  |
Semiconductors commonly used in industry:
1N4148 |
BAW56 |
1N5400 |
NE555 | | ||
Quick jump to:
OX16
1N4
2N2
2SA
2SC
74H
BC
HCF
IRF
KA | ||