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OX16C950 데이터시트 PDF




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OX16C950 데이터시트, 핀배열, 회로
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




OX16C950 pdf, 반도체, 판매, 대치품
OXFORD SEMICONDUCTOR LTD.
OX16C950 rev B
14.6 EXTERNAL 1X CLOCK MODE ................................................................................................................................................. 33
14.7 CRYSTAL OSCILLATOR CIRCUIT ............................................................................................................................................ 33
15 ADDITIONAL FEATURES ....................................................................................................................................................... 34
15.1 ADDITIONAL STATUS REGISTER ‘ASR’................................................................................................................................... 34
15.2 FIFO FILL LEVELS ‘TFL & RFL’............................................................................................................................................ 34
15.3 ADDITIONAL CONTROL REGISTER ‘ACR’................................................................................................................................ 34
15.4 TRANSMITTER TRIGGER LEVEL ‘TTL’..................................................................................................................................... 36
15.5 RECEIVER INTERRUPT. TRIGGER LEVEL ‘RTL’ ....................................................................................................................... 36
15.6 FLOW CONTROL LEVELS ‘FCL & FCH’.................................................................................................................................. 36
15.7 DEVICE IDENTIFICATION REGISTERS...................................................................................................................................... 36
15.8 CLOCK SELECT REGISTER ‘CKS’ .......................................................................................................................................... 37
15.9 NINE-BIT MODE REGISTER ‘NMR’ ......................................................................................................................................... 37
15.10 MODEM DISABLE MASK ‘MDM’......................................................................................................................................... 38
15.11 READABLE FCR ‘RFC’ .................................................................................................................................................... 38
15.12 GOOD-DATA STATUS REGISTER ‘GDS’ .............................................................................................................................. 39
15.13 DMA STATUS REGISTER ‘DMS’ ....................................................................................................................................... 39
15.14 PORT INDEX REGISTER ‘PIX’............................................................................................................................................ 39
15.15 CLOCK ALTERATION REGISTER ‘CKA’............................................................................................................................... 39
16 OPERATING CONDITIONS ..................................................................................................................................................... 40
17 DC ELECTRICAL CHARACTERISTICS.................................................................................................................................. 40
17.1 5V OPERATION.................................................................................................................................................................... 40
17.2 3V OPERATION.................................................................................................................................................................... 41
18 AC ELECTRICAL CHARACTERISTICS.................................................................................................................................. 42
18.1 5V OPERATION.................................................................................................................................................................... 42
18.2 3V OPERATION.................................................................................................................................................................... 43
19 TIMING WAVEFORMS............................................................................................................................................................. 44
20 PACKAGE INFORMATION...................................................................................................................................................... 46
21 ORDERING INFORMATION .................................................................................................................................................... 47
NOTES............................................................................................................................................................................................ 48
CONTACT DETAILS ...................................................................................................................................................................... 49
Data Sheet Revision 1.2
Page 4

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OX16C950 전자부품, 판매, 대치품
OXFORD SEMICONDUCTOR LTD.
3 PIN INFORMATION
44 Pin Plastic Leaded Chip Carrier
OX16C950 rev B
DB5
DB6
DB7
RCLK
SIN
NC
SOUT
CS0
CS1
CS2#
BDOUT#
6 5 4 3 2 1 44 43 42 41 40
7 39
8 38
9 37
10 36
11
12 OX16C950-PCC60-B
35
34
13 33
14 32
15 31
16 30
17 29
18 19 20 21 22 23 24 25 26 27 28
RESET
OUT1#
DTR#
RTS#
OUT2#
INTSEL#
INT
RXRDY#
A0
A1
A2
48 Pin Thin Quad Flat Pack
NC
DB5
DB6
DB7
RCLK
NC
SIN
SOUT
CS0
CS1
CS2#
BDOUT#
48 47 46 45 44 43 42 41 40 39 38 37
1 36
2 35
3 34
4 33
5 32
6 OX16C950-TQC60-B
7
31
30
8 29
9 28
10 27
11 26
12 25
13 14 15 16 17 18 19 20 21 22 23 24
INTSEL#
RESET
OUT1#
DTR#
RTS#
OUT2#
INT
RXRDY#
A0
A1
A2
NC
Data Sheet Revision 1.2
Page 7

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