OXFORD SEMICONDUCTOR LTD.
OX16PCI952
C
ONTENTS
1
1.1
PERFORMANCE COMPARISON..................................................................................................4
IMPROVEMENTS OF THE OX16PCI952 OVER DISCRETE SOLUTIONS:....................................................................... 4
2
3
4
5
6
6.1
6.2
6.3
6.4
6.5
6.6
BLOCK DIAGRAM .......................................................................................................................6
PIN INFORMATION .....................................................................................................................7
PIN DESCRIPTION ......................................................................................................................8
CONFIGURATION & OPERATION .............................................................................................13
PCI TARGET CONTROLLER .....................................................................................................14
OPERATION........................................................................................................................................................................ 14
CONFIGURATION SPACE ................................................................................................................................................. 15
ACCESSING FUNCTION 0 AND FUNCTION 1................................................................................................................. 17
ACCESSING THE LOCAL CONFIGURATION REGISTERS............................................................................................ 19
PCI INTERRUPTS ............................................................................................................................................................... 24
POWER MANAGEMENT.................................................................................................................................................... 25
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
INTERNAL OX16C950 UART .....................................................................................................28
OPERATION – MODE SELECTION ................................................................................................................................... 28
REGISTER DESCRIPTION TABLES ................................................................................................................................. 30
RESET CONFIGURATION ................................................................................................................................................. 34
TRANSMITTER AND RECEIVER FIFOS........................................................................................................................... 35
LINE CONTROL & STATUS............................................................................................................................................... 36
INTERRUPTS & SLEEP MODE ......................................................................................................................................... 38
MODEM INTERFACE ......................................................................................................................................................... 40
OTHER STANDARD REGISTERS ..................................................................................................................................... 41
AUTOMATI C FLOW CONTROL......................................................................................................................................... 42
BAUD RATE GENERATION............................................................................................................................................... 44
ADDITIONAL FEATURES .................................................................................................................................................. 46
8
8.1
8.2
8.3
BI-DIRECTIONAL PARALLEL PORT..........................................................................................52
OPERATION AND MODE SELECTION ............................................................................................................................. 52
PARALLEL PORT INTERRUPT ......................................................................................................................................... 53
REGISTER DESCRIPTION................................................................................................................................................. 54
EEPROM DATA ORGANISATION ..................................................................................................................................... 57
9
9.1
SERIAL EEPROM SPECIFICATION ...........................................................................................57
OPERATING CONDITIONS .....................................................................................................61
DC ELECTRICAL CHARACTERISTICS ...................................................................................62
5V STANDARD (NON-PCI) I/O BUFFERS ....................................................................................................................... 62
PCI I/O BUFFERS............................................................................................................................................................... 62
10
11
11.1
11.2
12
12.1
12.2
AC ELECTRICAL CHARACTERISTICS ...................................................................................63
PCI I/O BUFFERS.............................................................................................................................................................. 63
SERIAL PORTS .................................................................................................................................................................. 63
13
14
15
16
TIMING WAVEFORMS............................................................................................................64
PACKAGE INFORMATION .....................................................................................................74
ORDERING INFORMATION ....................................................................................................75
CONTACT DETAILS...............................................................................................................76
Page 2
DataSheet Revision 1.1
OXFORD [ OXFORD SEMICONDUCTOR ]
