OX16PCI952 datasheet(2/76 Pages) OXFORD

Part #	OX16PCI952

Description	Integrated High Performance Dual UARTs, Parallel Port and 5.0v PCI interface

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Manufacturer	OXFORD [Oxford Semiconductor]

Direct Link	http://www.oxsemi.com

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DataSheet Revision 1.1

Page 2

OX16PCI952

OXFORD SEMICONDUCTOR LTD.

CONTENTS

1

PERFORMANCE COMPARISON..................................................................................................4

1.1

IMPROVEMENTS OF THE OX16PCI952 OVER DISCRETE SOLUTIONS:....................................................................... 4

2

BLOCK DIAGRAM.......................................................................................................................6

3

PIN INFORMATION .....................................................................................................................7

4

PIN DESCRIPTION......................................................................................................................8

5

CONFIGURATION & OPERATION .............................................................................................13

6

PCI TARGET CONTROLLER .....................................................................................................14

6.1

OPERATION........................................................................................................................................................................ 14

6.2

CONFIGURATION SPACE ................................................................................................................................................. 15

6.3

ACCESSING FUNCTION 0 AND FUNCTION 1................................................................................................................. 17

6.4

ACCESSING THE LOCAL CONFIGURATION REGISTERS............................................................................................ 19

6.5

PCI INTERRUPTS ............................................................................................................................................................... 24

6.6

POWER MANAGEMENT.................................................................................................................................................... 25

7

INTERNAL OX16C950 UART .....................................................................................................28

7.1

OPERATION – MODE SELECTION ................................................................................................................................... 28

7.2

REGISTER DESCRIPTION TABLES ................................................................................................................................. 30

7.3

RESET CONFIGURATION ................................................................................................................................................. 34

7.4

TRANSMITTER AND RECEIVER FIFOS........................................................................................................................... 35

7.5

LINE CONTROL & STATUS............................................................................................................................................... 36

7.6

INTERRUPTS & SLEEP MODE ......................................................................................................................................... 38

7.7

MODEM INTERFACE ......................................................................................................................................................... 40

7.8

OTHER STANDARD REGISTERS ..................................................................................................................................... 41

7.9

AUTOMATI C FLOW CONTROL......................................................................................................................................... 42

7.10

BAUD RATE GENERATION............................................................................................................................................... 44

7.11

ADDITIONAL FEATURES .................................................................................................................................................. 46

8

BI-DIRECTIONAL PARALLEL PORT..........................................................................................52

8.1

OPERATION AND MODE SELECTION ............................................................................................................................. 52

8.2

PARALLEL PORT INTERRUPT ......................................................................................................................................... 53

8.3

REGISTER DESCRIPTION................................................................................................................................................. 54

9

SERIAL EEPROM SPECIFICATION ...........................................................................................57

9.1

EEPROM DATA ORGANISATION ..................................................................................................................................... 57

10

OPERATING CONDITIONS.....................................................................................................61

11

DC ELECTRICAL CHARACTERISTICS ...................................................................................62

11.1

5V STANDARD (NON-PCI) I/O BUFFERS ....................................................................................................................... 62

11.2

PCI I/O BUFFERS............................................................................................................................................................... 62

12

AC ELECTRICAL CHARACTERISTICS ...................................................................................63

12.1

PCI I/O BUFFERS.............................................................................................................................................................. 63

12.2

SERIAL PORTS .................................................................................................................................................................. 63

13

TIMING WAVEFORMS............................................................................................................64

14

PACKAGE INFORMATION .....................................................................................................74

15

ORDERING INFORMATION....................................................................................................75

16

CONTACT DETAILS...............................................................................................................76

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